seamless steel tubes for gas cylinder

Steel Grade: 37Mn, 34Mn2V, 30CrMo, 35CrMo, 34CrMo4, 30CrMnSiA

Standard: GB 18248-2008

Application: It is for cylinders and accumulator shell.

Sizes: O.D.: 60mm~219mm, W.T.: 4mm~35mm.

Chemical Composition, Mass Fraction(%): (30CrMo for example)

Steel Grade C Si Mn P S P+S Cr Mo Ni Cu
30CrMo 0.26~0.34 0.17~0.37 0.40~0.70 0.020 0.020 0.030 0.80~1.10 0.15~0.25 0.30 0.20

Mechanical Properties: (30CrMo for example)

Steel Grade tensile strength (MPa) yield strength Elongation (%) impact test
30CrMo 930 785 12 -50


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