{"id":2925,"date":"2025-03-06T18:35:42","date_gmt":"2025-03-06T10:35:42","guid":{"rendered":"https:\/\/chiggofactory.com\/?p=2925"},"modified":"2025-03-06T18:38:07","modified_gmt":"2025-03-06T10:38:07","slug":"alloy-steel-vs-stainless-steel","status":"publish","type":"post","link":"https:\/\/chiggofactory.com\/ja\/alloy-steel-vs-stainless-steel\/","title":{"rendered":"\u5408\u91d1\u92fcvs.\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\uff1a\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u305f\u3081\u306b\u3069\u308c\u3092\u9078\u629e\u3067\u304d\u307e\u3059\u304b\uff1f"},"content":{"rendered":"<!-- wp:paragraph -->\n<p>\u5408\u91d1\u92fc\u3068\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u6bd4\u8f03\u3059\u308b\u3068\u3001\u6df7\u4e71\u306e\u5171\u901a\u70b9\u304c1\u3064\u3042\u308a\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u6280\u8853\u7684\u306b\u306f\u5408\u91d1\u92fc\u306e\u4e00\u7a2e\u3067\u3059\u304c\u3001\u3057\u3070\u3057\u3070\u7570\u306a\u308b\u30ab\u30c6\u30b4\u30ea\u3068\u3057\u3066\u6271\u308f\u308c\u3001\u6750\u6599\u9078\u629e\u4e2d\u306b\u4ed6\u306e\u92fc\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u500b\u5225\u306b\u6bd4\u8f03\u3055\u308c\u307e\u3059\u3002\u306a\u305c\u305d\u308c\u304c\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u305f\u3081\u306b\u3069\u306e\u7d20\u6750\u3092\u9078\u629e\u3059\u3079\u304d\u304b\uff1f\u3053\u308c\u3089\u306e\u8cea\u554f\u306b\u7b54\u3048\u308b\u305f\u3081\u306b\u3001\u307e\u305a\u5408\u91d1\u92fc\u304c\u4f55\u3067\u3042\u308b\u304b\u3092\u7406\u89e3\u3057\u3001\u305d\u308c\u304c\u542b\u3080\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u3092\u63a2\u7d22\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">\u5408\u91d1\u92fc\u306e\u7406\u89e3<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"id\":2936,\"width\":\"676px\",\"height\":\"auto\",\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full is-resized\"><img src=\"https:\/\/chiggofactory.com\/wp-content\/uploads\/2025\/03\/alloy-steel.webp\" alt=\"alloy steel\" class=\"wp-image-2936\" style=\"width:676px;height:auto\"><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p>\u5408\u91d1\u92fc\u306f\u3001\u30af\u30ed\u30e0\u3001\u30cb\u30c3\u30b1\u30eb\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u30d0\u30ca\u30b8\u30a6\u30e0\u3001\u30de\u30f3\u30ac\u30f3\u306a\u3069\u306e\u8907\u6570\u306e\u5408\u91d1\u8981\u7d20\u3092\u542b\u3080\u92fc\u306e\u4e00\u7a2e\u3067\u3001\u5869\u57fa\u304a\u3088\u3073\u70ad\u7d20\u7d44\u6210\u3067\u3059\u3002 <a href=\"https:\/\/chiggofactory.com\/alloy-steel-vs-carbon-steel\/\">\u70ad\u7d20\u92fc<\/a>\u3068\u306f\u7570\u306a\u308a\u3001\u3053\u308c\u306f\u4e3b\u306b\u9244\u3068\u70ad\u7d20\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u3053\u308c\u3089\u306e\u8ffd\u52a0\u3055\u308c\u305f\u8981\u7d20\u306f\u614e\u91cd\u306b\u9078\u629e\u3055\u308c\u3001\u3055\u307e\u3056\u307e\u306a\u91cf\u3067\u7d44\u307f\u5408\u308f\u3055\u3063\u3066\u3001\u5f37\u5ea6\u3001\u3088\u308a\u826f\u3044\u8010\u6469\u8017\u6027\u3001\u8010\u6469\u8017\u6027\u306e\u8010\u6469\u8017\u6027\u3001\u8010\u71b1\u6027\u306e\u5411\u4e0a\u306a\u3069\u3001\u7279\u7570\u7684\u306a\u7279\u6027\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u6700\u3082\u4e00\u822c\u7684\u306a\u5408\u91d1\u8981\u7d20\u3068\u305d\u306e\u52b9\u679c<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:list -->\n<ul class=\"wp-block-list\"><!-- wp:list-item -->\n<li><strong>\u30af\u30ed\u30e0\uff08CR\uff09\uff1a<\/strong>Chromium's effects in alloy steel depend on its concentration. At low levels (0.5%~2%), it improves hardenability and strength by forming carbides and refining the grain structure. At higher levels (above 10%), chromium enables the formation of a dense and stable chromium oxide layer\u2014 primarily Cr\u2082O\u2083\u2014 on the steel surface, which effectively blocks oxygen, moisture, and other corrosive agents, thereby significantly enhancing corrosion resistance.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>\u30cb\u30c3\u30b1\u30eb\uff08NI\uff09\uff1a<\/strong> Also has an effect depending on the percentage. At lower percentages (roughly 1~5%), nickel increases the toughness and ductility of the alloy steel, indirectly enhancing its strength and impact resistance. At higher percentages (typically around 8~12% or more), it helps achieve excellent corrosion resistance while also ensuring good low-temperature toughness and ductility.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>\u30e2\u30ea\u30d6\u30c7\u30f3\uff08MO\uff09\uff1a<\/strong>Valued for its ability to strengthen steel at high temperatures. It increases hardness and helps steel resist softening during prolonged exposure to heat. Moreover, molybdenum improves resistance to localized corrosion, such as pitting and crevice corrosion, especially when combined with chromium.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>\u30de\u30f3\u30ac\u30f3\uff08MN\uff09\uff1a<\/strong> Helps form martensite during heat treatment, which increases strength and wear resistance. It also improves toughness and ductility, reducing the risk of cracking. Additionally, it acts as a deoxidizer by removing impurities and controlling sulfur\u2014 forming manganese sulfide (MnS) that prevents the formation of brittle microstructures.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>\u30d0\u30ca\u30b8\u30a6\u30e0\uff08V\uff09\uff1a<\/strong> Refines the grain structure of steel, resulting in higher strength, increased toughness, and improved wear and heat resistance. When combined with chromium, the alloy tends to have enhanced hardness while still retaining adequate formability, provided that the overall composition and processing are carefully controlled.<\/li>\n<!-- \/wp:list-item -->\n\n<!-- wp:list-item -->\n<li><strong>\u30bf\u30f3\u30b0\u30b9\u30c6\u30f3\uff08w\uff09\uff1a<\/strong> Forms stable carbides that improve alloy steel's strength, hardness, and wear resistance at high temperatures. This makes it a popular choice for tool steels and high-speed cutting tools.<\/li>\n<!-- \/wp:list-item --><\/ul>\n<!-- \/wp:list -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u5408\u91d1\u92fc\u306e\u7a2e\u985e<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>\u5408\u91d1\u92fc\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u5e45\u5e83\u3044\u30ab\u30c6\u30b4\u30ea\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u3053\u308c\u3089\u3092\u4e0b\u306e\u8868\u306b\u5206\u985e\u3057\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:table -->\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30bf\u30a4\u30d7<\/strong><strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>\u7279\u6027<\/strong><strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\"><strong>\u4f8b<\/strong><strong><\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u9ad8\u5408\u91d1\u92fc<\/strong><strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u25aa Contain &gt;5% alloying elements, commonly including chromium, nickel, and molybdenum.<br><br>\u25aa Some have exceptional corrosion resistance, especially in harsh environments (e.g., marine, chemical processing).<br><br>\u25aa Excellent mechanical properties in demanding engineering scenarios.<br><br>\u25aa Some types offer superior performance under high temperatures and pressures, such as heat-resistant steels.<br><br>\u25aa Many high-alloy steels, such as stainless steels, have high oxidation resistance, resulting in longer service life and lower maintenance.&nbsp;<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u25aa <strong>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\uff08304\u3001316\u306a\u3069\uff09<\/strong><br><strong><br><\/strong>\u25aa Heat-Resistant Steels (H13, 310 Stainless Steel, Inconel)&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u4f4e\u5408\u91d1\u92fc<\/strong><strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u25aa Contain &lt;5% alloying elements, typically including molybdenum, chromium, manganese, silicon, boron, nickel, and vanadium.<br><br>\u25aa High strength and toughness.<br><br>\u25aa Generally good weldability and machinability.<br><br>\u25aa Cost-effective alternative for structural applications.<br><br>\u25aa Often used in mining and construction equipment due to their good strength-to-weight ratios.<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u25aa HSLA Steels<br><br>\u25aa Quenched and Tempered Steels (4340, A514)<br><br>\u25aa Pipeline Steels (API 5L X65, X70)&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30c4\u30fc\u30eb\u92fc<\/strong><strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u25aa A special type of alloy steel, used to make cutting tools, dies, molds, jigs and fixtures.<br><br>\u25aa Contain a relatively high carbon content (typically 0.5% to 1.5%), though some types, like hot work steels, may have lower carbon levels.<br><br>\u25aa Extremely hard and wear-resistant.<br><br>\u25aa Some types, such as high-speed and hot work steels, retain their properties at high temperatures.<br><br>\u25aa Long service life under high stress.<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u25aa High-Speed Steels (M2, M42)<br><br>\u25aa Cold Work Steels (D2)<br><br>\u25aa Hot Work Steels (H13)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30de\u30ec\u30fc\u30b8\u30f3\u30b0\u92fc<\/strong><strong><\/strong><\/td><td class=\"has-text-align-left\" data-align=\"left\">\u25aa Ultra-high strength, low-carbon steel.<br><br>\u25aa Superior strength-to-weight ratio.<br><br>\u25aa Strengthened through precipitation hardening rather than carbon strengthening.<br><br>\u25aa Excellent toughness and ductility compared to conventional high-strength steels.<br><br>\u25aa Widely used in aerospace, high-performance machinery, and tooling applications.&nbsp;<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u25aa 18Ni (250, 300, 350)<br><br>\u25aa Co-based Maraging Steels<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:table -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7406\u89e3<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"id\":2937,\"width\":\"709px\",\"height\":\"auto\",\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full is-resized\"><img src=\"https:\/\/chiggofactory.com\/wp-content\/uploads\/2025\/03\/stainless-steel.jpg\" alt=\"Stainless steel\" class=\"wp-image-2937\" style=\"width:709px;height:auto\"><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p>\u4e0a\u8a18\u306e\u30c1\u30e3\u30fc\u30c8\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u9ad8\u5408\u91d1\u92fc\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002\u30af\u30ed\u30e0\u542b\u6709\u91cf\u304c\u9ad8\u3044\uff0810.5\uff05\u4ee5\u4e0a\uff09\u3001\u9306\u306b\u5bfe\u3059\u308b\u5f37\u3044\u62b5\u6297\u6027\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3068\u3059\u308b\u3082\u306e\u306b\u5fdc\u3058\u3066\u3001\u30e1\u30fc\u30ab\u30fc\u306f\u591a\u304f\u306e\u5834\u5408\u3001\u30cb\u30c3\u30b1\u30eb\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u30c1\u30bf\u30f3\u3001\u9285\u306a\u3069\u306e\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u3066\u3001\u9ad8\u6e29\u3067\u306e\u5f37\u5ea6\u3001\u8010\u98df\u6027\u3001\u307e\u305f\u306f\u6027\u80fd\u3092\u3055\u3089\u306b\u9ad8\u3081\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u512a\u308c\u305f\u5f62\u6210\u6027\u3001\u9b45\u529b\u7684\u306a\u5916\u89b3\u3001\u512a\u308c\u305f\u8010\u4e45\u6027\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d8\u30eb\u30b9\u30b1\u30a2\u3001\u5efa\u8a2d\u3001\u30ad\u30c3\u30c1\u30f3\u7528\u54c1\u306a\u3069\u306e\u696d\u754c\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u7a2e\u985e<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>\u4f55\u767e\u3082\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u30b0\u30ec\u30fc\u30c9\u304c\u5229\u7528\u53ef\u80fd\u3067\u3059\u304c\u3001\u901a\u5e38\u30015\u3064\u306e\u4e3b\u8981\u306a\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u985e\u3055\u308c\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:table -->\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30bf\u30a4\u30d7<\/strong><strong><\/strong><\/td><td><strong>\u7279\u6027<\/strong><strong><\/strong><\/td><td><strong>\u4e00\u822c\u7684\u306a\u30b0\u30ec\u30fc\u30c9<\/strong><strong>&nbsp;<\/strong><strong>\u304a\u3088\u3073\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/strong><strong><\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><strong><\/strong>&nbsp;<\/td><td>\u25aa Contains \u226516% chromium and 8-12% nickel\uff0cwith high-nickel variants (e.g., 310S, 904L) containing up to 20-25% nickel.<br><br>\u25aa Non-magnetic (may become slightly magnetic after cold working).<br><br>\u25aa Excellent corrosion resistance, particularly in humid, acidic, and chemical environments.<br><br>\u25aa&nbsp;Can be strengthened through cold working&nbsp;(work hardening).<br><br>\u25aa Good ductility and weldability.&nbsp;<\/td><td><strong>304\uff0818-8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\uff09\uff1a<\/strong>The most widely used stainless steel, common in food processing, construction, and chemical industries.<br><br><strong>316\uff1a<\/strong>&nbsp;Higher corrosion resistance than 304, especially in marine and chemical environments.<br><br><strong>310S\uff1a<\/strong>High-temperature resistant, used in furnaces and boilers.&nbsp;&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30d5\u30a7\u30e9\u30a4\u30c8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><strong><\/strong>&nbsp;<\/td><td>\u25aa Contains10-30% chromium, low carbon, and little or no nickel.<br><br>\u25aa Ferromagnetic.<br><br>\u25aa Moderate to good corrosion resistance, lower than austenitic stainless steel,&nbsp;but generally better than martensitic stainless steel. <br><br>\u25aa Cannot be hardened by heat treatment but can be strengthened through cold working.<br><br>\u25aa Have relatively low toughness, which limits their use in certain structural applications.<br><br>\u25aa Lower thermal expansion and good oxidation resistance.<\/td><td><strong>430\uff1a<\/strong>Cost-effective with moderate corrosion resistance, used in kitchenware and automotive exhaust systems.<br><br><strong>444\uff1a<\/strong>High-chromium variant, showing&nbsp;improved chloride resistance&nbsp;in water and plumbing systems.<br><br><strong>446\uff1a<\/strong>High oxidation resistance, suitable for high-temperature environments.&nbsp;&nbsp;<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><strong><\/strong>&nbsp;<\/td><td>\u25aa Contains 11-18% chromium, with higher carbon content (0.1-1.2%).<br><br>\u25aa Fully Magnetic.<br><br>\u25aa Generally lower corrosion resistance compared to austenitic and ferritic stainless steels.<br><br>\u25aa Can be hardened by heat treatment&nbsp;(quenching &amp; tempering).<br><br>\u25aa Offer reduced ductility and low weldability.&nbsp;<\/td><td><strong>410\uff1a<\/strong>General-purpose martensitic stainless steel, used for wear-resistant and corrosion-resistant parts.<br><br><strong>420\uff1a<\/strong>&nbsp;Used for surgical instruments, scissors, and bearings due to its high hardness.<br><br><strong>440c\uff1a<\/strong>&nbsp;Higher carbon content, providing extreme hardness for high-end knives and bearings.<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><strong><\/strong>&nbsp;<\/td><td>\u25aa&nbsp;Contains 18-28%&nbsp;chromium, 3.5&nbsp;-5.5% nickel, and often includes molybdenum (Mo) and nitrogen (N) to enhance corrosion resistance and strength. <br><br>\u25aa A balanced duplex structure (-50% austenitic,-&nbsp;50% ferritic).<br><br>\u25aa Higher strength than austenitic stainless steel (1.5 to 2 times).<br><br>\u25aa Excellent resistance to pitting and crevice corrosion.<br><br>\u25aa Better chloride stress corrosion cracking (SCC)&nbsp;resistance than pure austenitic stainless steels.<br><br>\u25aa Good fatigue resistance.<br><br>\u25aa Moderate ductility and weldability.<\/td><td><strong>2205\uff1a&nbsp;<\/strong>The most common grade with high strength and corrosion resistance for marine and chemical industries.<br><br><strong>2507\uff08\u30b9\u30fc\u30d1\u30fc\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\uff09<\/strong>:&nbsp;Designed for extreme corrosion resistance in seawater processing equipment.<strong>&nbsp;<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u964d\u6c34\u786c\u5316\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/strong><strong><\/strong>&nbsp;<\/td><td>\u25aa Contains 12-16% chromium, 3-8% nickel, and small amounts of copper, aluminum, and titanium for precipitation hardening.<br><br>\u25aa Strengthened by precipitation hardening (aging treatment).<br><br>\u25aa Offers high strength and good corrosion resistance.<br><br>\u25aa Higher strength than austenitic stainless steels, close to martensitic stainless steels, but with better toughness.<br><br>\u25aa Good weldability<\/td><td><strong>17-4ph\uff08630\uff09\uff1a&nbsp;<\/strong>The most commonly used PH stainless steel, ideal for high-strength, corrosion-resistant applications.<br><br><strong>15-5ph\uff1a&nbsp;<\/strong>Similar to 17-4PH but with improved toughness.<\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:table -->\n\n<!-- wp:paragraph -->\n<p><\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">\u5408\u91d1\u92fc\u3068\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u9055\u3044<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:image {\"id\":2938,\"sizeSlug\":\"full\",\"linkDestination\":\"none\"} -->\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/chiggofactory.com\/wp-content\/uploads\/2025\/03\/Alloy-Steel-CNC-Parts.jpg\" alt=\"Alloy Steel CNC Parts\" class=\"wp-image-2938\"><\/figure>\n<!-- \/wp:image -->\n\n<!-- wp:paragraph -->\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u5408\u91d1\u92fc\u306e\u4e00\u7a2e\u3068\u898b\u306a\u3055\u308c\u3066\u304a\u308a\u3001\u3069\u3061\u3089\u3082\u9244\u30d9\u30fc\u30b9\u306e\u5408\u91d1\u306e\u57fa\u672c\u7279\u6027\u3092\u5171\u6709\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u7d44\u6210\u3068\u6027\u80fd\u306e\u70b9\u3067\u5927\u304d\u304f\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u4e3b\u8981\u306a\u9055\u3044\u306e\u4e00\u822c\u7684\u306a\u6bd4\u8f03\u3067\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u69cb\u6210<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>\u5408\u91d1\u92fc\u306b\u306f\u3001\u9244\u306e\u6df7\u5408\u7269\u3068\u3001\u30af\u30ed\u30e0\u3001\u30cb\u30c3\u30b1\u30eb\u3001\u30de\u30f3\u30ac\u30f3\u3001\u30d0\u30ca\u30b8\u30a6\u30e0\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u30b7\u30ea\u30b3\u30f3\u306a\u3069\u306e\u3055\u307e\u3056\u307e\u306a\u5408\u91d1\u8981\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8981\u7d20\u306e\u91cf\u3068\u7a2e\u985e\u306f\u3001\u5408\u91d1\u92fc\u306e\u30b0\u30ec\u30fc\u30c9\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u5bfe\u7167\u7684\u306b\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u4e3b\u306b\u9244\u3001\u70ad\u7d20\u3001\u304a\u3088\u3073\u5c11\u306a\u304f\u3068\u308210.5\uff05\u306e\u30af\u30ed\u30e0\uff08\u91cd\u91cf\uff09\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u9ad8\u3044\u30af\u30ed\u30e0\u542b\u6709\u91cf\u306f\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u8150\u98df\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u4e0e\u3048\u308b\u3082\u306e\u3067\u3059\u3002\u30cb\u30c3\u30b1\u30eb\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u30de\u30f3\u30ac\u30f3\u306a\u3069\u306e\u4ed6\u306e\u8981\u7d20\u3082\u542b\u3081\u308b\u305f\u3081\u306b\u542b\u307e\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u30af\u30ed\u30e0\u306f\u4f9d\u7136\u3068\u3057\u3066\u91cd\u8981\u306a\u5dee\u5225\u5316\u8981\u56e0\u3067\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u6297\u5f35\u529b<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><a href=\"https:\/\/chiggofactory.com\/metal-strength-a-detailed-guide-and-chart\/\">\u5f35\u529b\u5f37\u5ea6<\/a>\u306f\u3001\u58ca\u308c\u308b\u524d\u306b\u4f38\u3070\u3057\u305f\u308a\u5f15\u3044\u305f\u308a\u3059\u308b\u3068\u304d\u306b\u6750\u6599\u304c\u8010\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u6700\u5927\u5fdc\u529b\u3067\u3059\u3002\u305d\u3057\u3066\u3001\u305d\u308c\u306f\u5408\u91d1\u3068\u71b1\u51e6\u7406\u30d7\u30ed\u30bb\u30b9\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u5408\u91d1\u92fc\u306f\u901a\u5e38\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\uff08515\u301c827 MPa\uff09\u3088\u308a\u3082\u5f15\u5f35\u5f37\u5ea6\uff08758\u301c1882 MPa\u4ee5\u4e0b\uff09\u3088\u308a\u3082\u9ad8\u3044\uff08515\u301c827 MPa\uff09\u3067\u3059\u304c\u3001\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306a\u3069\u306e\u4e00\u90e8\u306e\u7279\u6b8a\u306a\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f1200 MPa\u4ee5\u4e0a\u306b\u4e0a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u5408\u91d1\u92fc\u306b\u306f\u3088\u308a\u591a\u304f\u306e\u69cb\u9020\u7528\u9014\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u75b2\u52b4\u5f37\u5ea6<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>\u75b2\u52b4\u5f37\u5ea6\u3068\u306f\u3001\u6750\u6599\u304c\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u5931\u6557\u3059\u308b\u3053\u3068\u306a\u304f\u7e70\u308a\u8fd4\u3057\u307e\u305f\u306f\u5468\u671f\u7684\u306a\u8ca0\u8377\u306b\u8010\u3048\u308b\u80fd\u529b\u3067\u3042\u308a\u3001\u901a\u5e38\u3001\u6750\u6599\u306e\u6700\u5927\u5f15\u5f35\u5f37\u5ea6\u3088\u308a\u3082\u4f4e\u3044\u3067\u3059\u3002 Alloy steels tend to have better fatigue strength than stainless steels because they can be heat-treated to optimize their internal structure.\u305f\u3060\u3057\u3001\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u3088\u3046\u306a\u4e00\u90e8\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u5fae\u7d30\u69cb\u9020\u306e\u305f\u3081\u306b\u5f37\u3044\u75b2\u52b4\u62b5\u6297\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u8010\u885d\u6483\u6027<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>\u8010\u885d\u6483\u6027\u306f\u3001\u7834\u58ca\u3059\u308b\u524d\u306b\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5438\u53ce\u3059\u308b\u6750\u6599\u306e\u80fd\u529b\u3092\u6e2c\u5b9a\u3057\u307e\u3059\u3002\u5408\u91d1\u92fc\u306f\u3001\u3057\u3070\u3057\u3070\u9ad8\u5f37\u5ea6\u3068\u976d\u6027\u306e\u305f\u3081\u306b\u4f5c\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u5f7c\u3089\u306f\u901a\u5e38\u3001\u7a81\u7136\u306e\u8ca0\u8377\u306e\u4e0b\u3067\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5438\u53ce\u3059\u308b\u306e\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e00\u90e8\u306e\u5408\u91d1\u92fc\u306f\u3001\u7279\u306b\u70ad\u7d20\u304c\u9ad8\u3044\u4eba\u3084\u3001\u6d88\u5149\u3068\u713c\u304d\u623b\u3057\u306b\u3088\u3063\u3066\u786c\u5316\u3057\u305f\u92fc\u306e\u92fc\u306b\u8106\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e3b\u306a\u5229\u70b9\u306f\u8150\u98df\u62b5\u6297\u3067\u3059\u304c\u3001\u3053\u308c\u306f\u8010\u885d\u6483\u6027\u3092\u72a0\u7272\u306b\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u7279\u5b9a\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30b0\u30ec\u30fc\u30c9\uff08\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306a\u3069\uff09\u306f\u975e\u5e38\u306b\u4e08\u592b\u3067\u885d\u6483\u4e0b\u3067\u306e\u9aa8\u6298\u306b\u5bfe\u3057\u3066\u8010\u6027\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u9ad8\u5f37\u5ea6\u306e\u5408\u91d1\u92fc\u307b\u3069\u885d\u6483\u7684\u307e\u305f\u306f\u885d\u6483\u7684\u306a\u72b6\u614b\u3067\u3082\u6a5f\u80fd\u3057\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u786c\u5ea6<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p><a href=\"https:\/\/chiggofactory.com\/everything-you-need-to-know-about-material-hardness\/\"> hardness <\/a>\u5408\u91d1\u92fc\u306f\u3001\u30b0\u30ec\u30fc\u30c9\u3068\u71b1\u51e6\u7406\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u9ad8\u70ad\u7d20\u307e\u305f\u306f\u5de5\u5177\u92fc\u3067\u306f\u3001\u7d04200 HB\uff08\u30d6\u30ea\u30cd\u30eb\u306e\u786c\u5ea6\uff09\u304b\u3089600 HB\u3092\u8d85\u3048\u308b\u3001\u3055\u3089\u306b\u306f\u3055\u3089\u306b\u9ad8\u3044\u7bc4\u56f2\u3067\u3059\u3002\u305d\u308c\u306b\u6bd4\u3079\u3066\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u786c\u5ea6\u306f\u901a\u5e38\u3001150 hb\u301c300 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-->\n<p>\u5ef6\u6027\u306f\u3001\u58ca\u308c\u305a\u306b\u5909\u5f62\u3059\u308b\u6750\u6599\u306e\u80fd\u529b\u3067\u3059\u3002\u5408\u91d1\u92fc\u306e\u5ef6\u6027\u306f\u5927\u304d\u304f\u7570\u306a\u308a\u3001\u4f4e\u70ad\u7d20\u5408\u91d1\u306f\u3088\u308a\u5ef6\u6027\u3057\u307e\u3059\u304c\u3001\u9ad8\u5f37\u5ea6\u5408\u91d1\u307e\u305f\u306f\u5de5\u5177\u92fc\u306f\u5ef6\u6027\u304c\u4f4e\u3044\u50be\u5411\u304c\u3042\u308a\u307e\u3059\u3002\u5ef6\u6027\u3068\u5f37\u5ea6\u306e\u30d0\u30e9\u30f3\u30b9\u306f\u3001\u5408\u91d1\u7d44\u6210\u3068\u71b1\u51e6\u7406\u3092\u8abf\u6574\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u5236\u5fa1\u3055\u308c\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3001\u7279\u306b\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u30b0\u30ec\u30fc\u30c9\u306f\u3001\u4e00\u822c\u306b\u3001\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u304c\u9ad8\u3044\u305f\u3081\u3001\u540c\u69d8\u306e\u5f37\u5ea6\u306e\u5408\u91d1\u92fc\u3088\u308a\u3082\u5ef6\u6027\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8\u304a\u3088\u3073\u30d5\u30a7\u30e9\u30a4\u30c8\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u5ef6\u6027\u304c\u4f4e\u304f\u3001\u5909\u5f62\u4e0b\u3067\u4e80\u88c2\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading {\"level\":3} -->\n<h3 class=\"wp-block-heading\">\u8010\u98df\u6027<\/h3>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph 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