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

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Brand Name :	New Era
Model Number :	GB 18248
Certification :	ISO 9001 ISO 14001 TS 16949
Price :	Negotiation
Payment Terms :	T/T
Supply Ability :	2500 tons/month
Delivery Time :	45 days

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

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

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

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

hydraulic cylinder pipe

pneumatic cylinder tubing

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

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