Alloy Steel

SS 440 Stainless Steel SS 440A, 440B and 440C stainless steel are AISI and ASTM standard high carbon high chromium martensitic stainless steel, SS440 has high strength, good hardness, corrosion resistance, wear resistance and high temperature…
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Q355 Steel (Q355B Q355C Q355D) Q355 steel is a Chinese low alloy high strength structural steel, which replaced Q345, the material density is 7.85 g/cm3. According to GB/T 1591 -2018, Q355 has 3 quality levels: Q355B, Q355C and Q355D. "Q" is the…
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Q345 Steel Properties Q345 steel is a Chinese GB standard Low Alloy High Strength Structural Steel, material density is 7.85 g/cm3, tensile strength is 470-630 Mpa, and yield strength is 345 MPa, it has better properties than Q235. According to GB/T…
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20Cr Steel Grade 20Cr steel is a kind of Chinese GB standard alloy steel. It has good comprehensive mechanical properties after quenching and low temperature tempering: good low temperature impact toughness and temper brittleness is not obvious.…
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Q690 steel and Q690M material is a Chinese GB standard high strength low alloy structural steel, and devides into 3 quality grades: Q690C, Q690D and Q690E, "Q" means Yield Strength, "690" refers to 690 Mpa, Tensile Strength is 770-940 Mpa, "M" is…
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25CrMo Steel 25CrMo steel is a kind of Chinese alloy steel for engineering and mechanical structure use, for properies and uses, please refer to 20CrMo and 30CrMo. For specification, chemical composition, mechanical properties and equivalent, please…
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20CrMo Alloy Steel GB 20CrMo steel is a kind of Chinese alloy steel for engineering and mechanical structure purpose, which is generally used in quenching or tempering or carburizing and quenching. 20CrMo material has high heat strength, good…
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30CrMo Steel 30CrMo steel is a Chinese alloy steel for engineering and machine structural use, has high strength and high toughness, and has good high temperature strength at temperatures below 500 °C. 30CrMo material also has good machinability,…
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35CrMo Steel 35CrMo steel is a Chinese alloy steel for engineering purpose, it has high durability and creep strength at high temperature, and low temperature impact toughness is good. The working temperature is up to 500 °C, the low temperature can…
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40CrNiMoA Steel 40CrNiMoA steel is a Chinese alloy steel, has high strength, toughness and good hardenability, and has anti-overheating stability, but has high white point sensitivity, temper brittleness and poor weldability. Preheating is required…
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