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| Categories | Hydraulic Cylinder Steel Tube |
|---|---|
| Brand Name: | New Era |
| Model Number: | GB 18248 |
| Certification: | ISO 9001 ISO 14001 TS 16949 |
| Place of Origin: | China |
| MOQ: | 3tons |
| Price: | Negotiation |
| Payment Terms: | T/T |
| Supply Ability: | 2500 tons/month |
| Delivery Time: | 45 days |
| Packaging Details: | Packing in wooden box，hexagonal bundles or other seaworthy ways. |
| 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 |
| Company Info. |
| NEW-ERA STEEL TUBE TECHNOLOGY CO.,LTD |
| Verified Supplier |
| View Contact Details |
| Product List |
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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