US ASTM AISI and SAE Standards

SS321, AISI 321 Stainless Steel 321H, TP321 AISI 321 stainless steel (SS321) is basically type 304 with the addition of titanium (Ti), which stabilizes carbides against sensitization to prevent intergranular precipitation of chromium carbide when…
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SAE AISI 4340 Steel (UNS G43400) AISI 4340 steel (UNS G43400) is an ultra-high strength medium carbon low alloy steel, which combines deep hardenability, high ductility, toughness and strength, and has high fatigue resistance and creep resistance.…
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AISI 304 VS 304L Stainless Steel (UNS S30403) AISI 304 and 304L (SS304L) are austenitic stainless steels, and also known as 18/8 stainless steel. This article will introduce the differences between 304 and 304L stainless steel (304 vs 304L) from…
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AISI 303 Stainless Steel (UNS S30300, SS 303) AISI 303 stainless steel (UNS S30300) was developed for easy cutting and basically belongs to 18-8 stainless steel. It improves the cutting performance while maintaining good mechanical properties. SS…
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SAF Duplex 2205 Stainless Steel (UNS S32205 S31803) Alloy Material SAF Duplex 2205 stainless steel (UNS S32205 formerly known as UNS S31803 and commonly known as "alloy 2205") has a mixed microstructure of austenite and ferrite, and is a two-phase…
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AISI 5160 Steel AISI 5160 steel, also known as 5160 spring steel, is a high carbon chromium alloy (maximum carbon content 0.61%, chromium content 0.9%). AISI SAE 5160 high carbon steel has excellent toughness, ductility and fatigue resistance and is…
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SAE AISI 1045 Steel ASTM SAE AISI 1045 steel is one of the commonly used medium carbon steels with an average carbon content of 0.45%, medium tensile properties, good strength, toughness and wear resistance. It can be treated by annealing, flame…
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SAE AISI 1018 Steel SAE AISI 1018 steel is one of the commonly used low carbon steels. It is usually used as carburized steel. Since most of the 1018 carbon steel is produced by cold drawing, this cold rolled steel is called C1018 (1018 cold rolled…
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AISI 1095 Steel SAE AISI 1095 steel is one of the most widely used 10 series steels, with good performance and low cost, with appropriate toughness and wear resistance, but poor corrosion resistance. 1095 Carbon Steel Applications AISI SAE 1095…
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AISI 4130 Chromoly Steel (UNS G41300) AISI 4130 steel (UNS G41300), also known as 4130 Chromoly steel, is a chrome-molybdenum series low alloy steel with high strength, toughness and hardenability, usually used in quenched and tempered condition.…
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