Alloy structural steel
| Item | Alloy structural steel |
| Introduction | Refers to steel used as mechanical parts and various engineering components and containing one or several certain amount of alloying elements. Alloy structural steel has suitable hardenability, after suitable metal heat treatment, the microstructure is uniform sorbite, bainite or very fine pearlite, so it has a high tensile strength and yield ratio. (Generally around 0.85), higher toughness and fatigue strength, and lower toughness-brittle transition temperature, can be used to manufacture machine parts with larger cross-sectional dimensions |
| Standard | ASTM, DIN, ISO, EN, JIS, GB, etc. |
| Material | 20Mn2,SMn420,1524,20Mn5,SMn433,1330,1335,1340,40B,50B,50B50,81B45,38MnB5,20X,5120,35X,40X，41,194,118, 4125, 4130, 4140, 4135, 6120, 6140, 6150, 5152, 3140H, 3316, 3325, 3330, etc. |
| Size
|
Plate: thickness: 20-400mm, width: 200-2500mm, length: 2000-12000mm, or as required.
Round bar: diameter: 20-350mm, length: 1-12000mm, or as required. |
| Surface | Painting, plating, polishing, black oxide, transparent anti-rust oil, or as required. |
| Application | Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears, etc. |
| Package | Standard export package, or as required. |
| Price term | Ex-work, FOB, CIF, CFR, etc. |
| Payment | T/T, L/C, Western Union, etc. |
| Certificates | ISO, SGS, BV. |
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