Alloy Steel Pipe

Alloy steel pipe is a type of pipe made from carbon steel, alloy structural steel, and stainless heat-resistant steel through hot rolling or cold rolling processes. It is mainly used in high-pressure and high-temperature environments such as power plants, nuclear power plants, high-pressure boilers, and high-temperature superheaters.

  Product Description

ASTM A29/A29M

C

Si

Mn

P

S

Cr

Mo

4140/G41400

0.35～0.40

0.20～0.35

0.70～0.90

0.025 Max

0.025 Max

0.80～1.10

0.18～0.25

DIN 17220, EN 10083

C

Si

Mn

P

S

Cr

Mo

1.7225/42CrMo4

0.38～0.45

≤0.40

0.60～0.90

0.035 Max

0.035 Max

0.90～1.20

0.15～0.30

GB/T 1229

C

Si

Mn

P

S

Cr

Mo

42CrMo

0.38～0.45

0.17～0.37

0.50～0.80

0.030 Max

0.030 Max

0.90～1.20

0.15～0.25

JIS G4105

C

Si

Mn

P

S

Cr

Mo

SCM440

0.38～0.43

0.15～0.35

0.60～0.85

0.030 Max

0.030 Max

0.90～1.20

0.15～0.30


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