International Steel Pipe Information: ASTM 1035 Seamless Steel Pipe Chemical Composition and Mechanical Properties
Hit：372026-04-17 09:59:42
International Steel Pipe Information: ASTM 1035 Seamless Steel Pipe Chemical Composition and Mechanical Properties
ASTM/SAE 1035 Seamless Steel Pipe (Carbon Structural Steel)
This is the most common "1035 seamless pipe", corresponding to Chinese national standard 35 steel (GB/T 699), belonging to medium carbon high-quality carbon structural steel.
Chemical composition (mass fraction)
Carbon (C): 0.32%~0.39%
Silicon (Si): 0.17%~0.37%
Manganese (Mn): 0.50%~0.80%
Sulfur (S), phosphorus (P): ≤ 0.035%
Other elements (Cr, Ni, Cu): ≤ 0.25%
Mechanical properties (untreated state)
Tensile strength: ≥ 530 MPa (some sources refer to ≥ 585 MPa)
Yield strength: ≥ 315 MPa (or ≥ 370 MPa)
Elongation rate: ≥ 20%
Hardness: ≤ 197 HB
This type of seamless pipe is widely used in the manufacturing of crankshafts, connecting rods, mechanical structural components, motorcycle frames, etc.
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