Features: 35 steel high-quality carbon structural steel has good ductility and adequate strength, good processing properties, welding performance is acceptable most of the state in normalizing and conditioning state.
Use: 35 steel is widely used in manufacturing all kinds of forging and pressing parts, cold drawing, and forging steel, seamless steel pipe, machinery manufacturing parts, such as the crankshaft, shaft, axle pin, lever, rod, beam, sleeve, wheels, washers and screws, nuts and so on.
Chemical composition Carbon C: 0.32 ~ 0.40 ,Si Si: 0.17 ~ 0.37,Manganese Mn: 0.50 ~ 0.80 ,S S: ≤ 0.035 ,P P: ≤ 0.035 ,Chromium Cr: ≤ 0.25 ,Ni-Ni: ≤ 0.25 Copper Cu: ≤ 0.25
Mechanical Properties
Tensile strength σb (MPa): ≥ 530 (54)
Yield strength σs (MPa): ≥ 315 (32)
Elongation δ5 (%): ≥ 20
Reduction of area ψ (%): ≥ 45
Impact energy Akv (J): ≥ 55
Impact toughness αkv (J/cm2): ≥ 69 (7)
Hardness: no heat treatment ≤ 197HB
Sample Size: Sample size is 25mm
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