Name: GB 18248 37Mn 30CrMo Large Diameter Steel Pipe Seamless For Gas Cylinder
Brand: New Era
Price: 1 USD

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GB 18248 37Mn 30CrMo Large Diameter Steel Pipe Seamless For Gas Cylinder

Brand Name:New Era

Certification:ISO 9001 ISO 14001 TS 16949

Model Number:GB 18248

Minimum Order Quantity:3tons

Delivery Time:45 days

Payment Terms:T/T

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NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD

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Address: No.101 Shijing East Road, Tudian Town, Tongxiang, China

Supplier`s last login times: within 29 hours

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Product Details

Seamless Steel Tubes for Gas Cylinder GB 18248 37Mn 30CrMo

SPEC:
Material:37Mn 30CrMo 34CrMo4 35CrMo
Diameter : 4-1200mm
Wall thickness : 0.3-200mm
Length : 4-6m Upon customer's request

Production method: Hot rolling(extrusion), cold drawn, cold rolled

Delivery condition: BK,GBK,NBK

Chemical composition of Seamless Steel Tube for GasCylinder:

Steel Grade	Chemical composition
Steel Grade	C	Si	Mn	P	S	P+S	Cr	Mo	V	Ni	Cu
37Mn	0.34-0.40	0.10-0.30	1.35-1.65	≤0.030	≤0.030	≤0.055	≤0.30	/	/	≤0.30	≤0.20
34Mn2V	0.30-0.37	0.17-0.37	1.40-1.75	≤0.030	≤0.030	≤0.055	≤0.30	/	0.07-0.12	≤0.30	≤0.20
30CrMo	0.26-0.34	0.17-0.37	0.40-0.70	≤0.030	≤0.030	≤0.055	0.80-1.10	0.15-0.25	/	≤0.30	≤0.20
35CrMo	0.32-0.40	0.17-0.37	0.40-0.70	≤0.030	≤0.030	≤0.055	0.80-1.10	0.15-0.25	/	≤0.30	≤0.20

Seamless steel pipes Mechanical Properties :

Steel Grade	Tensile Strength MPa	Yield Strength MPa	Elongation %
37Mn	≥750	≥630	≥16
34Mn2V	≥745	≥530	≥16
30CrMo	≥930	≥785	≥12
35CrMo	≥980	≥835	≥12

Tolerance of seamless gas cylinder steel pipe:
1. Tolerance of the OD,WT:

Production Method	Tolerance for OD & WT %
Production Method	Tolerance for OD	Tolerance for WT
Hot rolling Tube	±1.0	+12.5 -10
Cold Drawn (Cold Rolled) Tube	±0.75	+12.5 -10

Widely used in the field of: for Gas Cylinder Applications, Oil Cylinders/Telescopic Cylinders, mechanical and general engineering purposes.

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