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TUBE FOR GAS CYLINDER

Category：

TUBE FOR GAS CYLINDER

Keywords：

Hotline：

+86 13373379809

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Product Description

TUBE FOR GAS CYLINDER

Standard：
GB 18248---------Chinese National Standards

Application：

It is used for manufacturing high pressure gas cylinder.
Main Steel Tube Grades：
37Mn、34Mn2V、30CrMo、35CrMo。

Mechanical Properties：

Standard

Steel Grade

Tensile Strength(MPa)

Yield Strength(MPa)

Elongation(%)

GB 18248

37Mn

≥750

≥630

≥16

34Mn2V

≥745

≥530

≥16

30CrMo

≥930

≥785

≥12

35CrMo

≥980

≥835

≥12


Chemical Composition：

Standard

Steel Grade

 Chemical Composition

C

Si

Mn

P、S

Cu

Ni

Mo

Cr

V

GB18248

37Mn

0.34～0.40

0.10～0.30

1.35～1.65

≤0.030

≤0.20

≤0.30

/

≤0.30

/

34Mn2V

0.30～0.37

0.17～0.37

1.40～1.75

≤0.030

≤0.20

≤0.30

/

≤0.30

0.07～0.12

30CrMo

0.26～0.34

0.17～0.37

0.40～0.70

≤0.030

≤0.20

≤0.30

0.15～0.25

0.80～1.10

/

35CrMo

0.32～0.40

0.17～0.37

0.40～0.70

≤0.030

≤0.20

≤0.30

0.15～0.25

0.80～1.10

/

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