SAE 1020/1045 Seamless carbon steel pipe

Product parameters

1020 is a high-quality carbon structural steel, toughness, plasticity, weldability are good, rarely quenched, no temper brittleness. Cold deformation plastic high, generally for bending, calendering, bending and hammer arch and other processing.
SAE1045/1045 Properties and applications: high strength medium carbon tempered steel, with certain plasticity and toughness, high strength, good machinability, the use of tempered treatment can obtain good comprehensive mechanical properties

Hot rolled seamless steel pipe production process:

Tube blank → heating → perforation → three-high skew rolling and continuous rolling → Stripping → sizing → Cooling → straightening → hydraulic test → marking → lever effect seamless steel pipe in storage will be detected.

Cold-drawn seamless steel pipe production process:

Tube blank → heating → perforating → heading → annealing → pickling → oiling → multi-pass cold drawing → Tube blank → Heat treatment → straightening → hydraulic test → marking → storage. The wall thickness of cold-drawn seamless steel pipe is better than that of hot-rolled seamless steel pipe, and the surface roughness is also some.

Product information:

1020 is a high-quality carbon structural steel, the steel strength is slightly higher than 1015 steel

Chemical composition:

C: 0.18~0.23%, Si: 0.10~0.40%, Mn: 0.30~0.60%, P: ≤0.040%, S: ≤0.050%

Mechanical properties:

Density ρ (kg/m3) : about 7850    ——    Tensile strength σb(MPa) : ≥410    ——    Yield strength σs(MPa) : ≥245    ——    Elongation δ5(%) : ≥25    ——    Section shrinkage ratio ψ(%) : ≥55    ——    Brinell hardness (HBS10/3000) (not heat treated) : ≦156

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1040 high-quality carbon structural steel, material name: high-quality carbon structural steel

Brand number :1040, corresponding to domestic brand number :25CrNiMo

Chemical composition (%) :

C :0.37~0.44, Si:0.17~0.37, Mn:0.60~0.90, S :≤0.050, P :≤0.040, Cr:≤0.25, Ni:≤0.25, Cu:≤0.25

Mechanical properties:Tensile strength σb (MPa):≥570(58)     ——     Yield strength σs (MPa):≥335(34)    ——    Elongation δ5 (%):≥19    ——    Section shrinkage (%):≥45    ——    Impact power Akv (J):≥47    ——    Impact toughness value αkv (J/cm2):≥59(6)

Hardness: no heat treatment, ≤217HB; Annealed steel ≤187HB

* (Sample size: 25mm)

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SAE1045 high quality carbon structural steel medium carbon steel

Implementation standard: ASTM A29/A29M-04

Chemical composition (%) :

C :0.43~0.50, Si:0.17~0.37, Mn:0.60~0.90, S :≤0.050, P :≤0.040, Cr:≤0.25, Ni:≤0.25, Cu:≤0.25

Mechanical properties:

Tensile strength σb (MPa):≥600(61)    ——    Yield strength σs (MPa):≥355(36)    ——    Elongation δ5 (%):≥16    ——    Section shrinkage ratio ψ (%):≥40    ——    Impact power Akv (J):≥39    ——    Impact toughness value αkv (J/cm2):≥49(5)

Hardness: no heat treatment,≤229HB; Annealed steel,≤197HB

* (Sample size: 25mm)

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