GB 18248 37Mn 30CrMo Large Diameter Steel Pipe Seamless For Gas Cylinder
Basic Properties
Place of Origin:
China
Brand Name:
New Era
Certification:
ISO 9001 ISO 14001 TS 16949
Model Number:
GB 18248
Trading Properties
Minimum Order Quantity:
3tons
Price:
Negotiation
Payment Terms:
T/T
Supply Ability:
2500 tons/month
Product Summary
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 ...
Product Details
Highlight:
hydraulic cylinder pipe
,pneumatic cylinder tubing
Product Name:
Seamless Steel Tubes For Gas Cylinder GB 18248 37Mn 30CrMo
Shape:
Round
OD Size:
4-1200mm
WT Size:
0.3-200mm
Steel Material:
37Mn 30CrMo 34CrMo4 35CrMo
Application:
For High Pressure Gas Cylinder
Surface:
With Anti Rust Protection
Length:
4-12.5m
Product Description
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 | ||||||||||
| 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 % | |
| 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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