US ASTM AISI and SAE Standards

AISI 310 Stainless Steel (UNS S31000) AISI 310 stainless steel is a high chromium nickel austenitic stainless steel with a high carbon content. It has excellent mechanical properties, high temperature oxidation resistance and heat resistance.…
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ASTM A572 Grade 50 Steel ASTM A572 grade 50 steel is a low-alloy high-strength structural steel with a yield strength of 50 ksi (345 MPa) and a tensile strength of 65 ksi (450 MPa). It has better mechanical properties than ASTM A36 steel. ASTM A572…
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AISI SAE 8620 Steel (UNS G86200) AISI SAE 8620 steel is a commonly used low-alloy material for carburizing, with excellent carburizing response, good hardenability for most section sizes, it has many extensive applications due to its low cost,…
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AISI 304 Stainless Steel (UNS S30400, SS 304) AISI 304 stainless steel (UNS S30400) is the most widely used stainless steel, containing 18-20% Cr and 8-10.5% Ni, and also known as 18-8 stainless steel. SS 304 is non-magnetic under annealing…
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AISI Type 302 Stainless Steel (UNS S30200) Type 302 stainless steel is basically a higher carbon version of type 304, a variant of 18-8 stainless steel. Its carbon content is ≤0.15%, and the minimum chromium content is only 1% less than 304. Grade…
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AISI 301 Stainless Steel (UNS S30100) AISI 301 stainless steel (UNS S30100) is the most susceptible to cold deformation strengthening among conventional austenitic stainless steels. Its work hardening rate is extremely high, with each increase in…
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AISI 410 Stainless Steel, SS410 (UNS S41000) AISI 410 stainless steel is one of the most commonly used martensitic stainless steels. It contains about 12% Cr and therefore provides moderate corrosion resistance. Unlike austenite such as AISI 304 and…
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6061 Aluminum Alloy (Al 6061-T6, 6061-T651, 6061-T4) Al-6061 aluminum alloy is a general purpose structural alloy developed by Alcoa in 1935. The temper designations mainly have 6061-T4, T451, Al 6061-T6, 6061-T651, etc. It is one of the most widely…
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AISI 321 Stainless Steel (SS321), 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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