Introduction
Gas cylinder re-industrial enterprises, fire protection, medical applications are widely used, equipment and media for the storage and release of gaseous media. The gas cylinder tube is a seamless steel tube suitable for the production of gas cylinder type high pressure vessels.
Standard
GB 18248、JIS G3429、ASTM A372、ISO 11120
Weight
Steel pipes shall be delivered in actual weight. According to the requirements of the purchaser, it is negotiated between the supplier and the buyer, and is indicated in the contract, and can also be delivered according to the theoretical weight.
Approximate Map
GB 18248 | JIS G 3429 | ISO 11120 | EN 10297-1 | ASTM A372 | DOT 49CFR§178.37 |
37Mn | STH11 STH12 | / | 38Mn6 | Grade C | Inter-mediate manganese |
34Mn2V | STH11 STH12 | / | / | / | / |
30CrMo | STH21 | GroupⅡ | 30CrMo4 | Grade E | 4130X |
35CrMo | STH22 | GroupⅡ | 34CrMo4 | / | / |
34CrMo4 | STH22 | GroupⅡ | 34CrMo4 | / | / |
30CrMnSiA | / | / | / | / | / |
Cold drawn seamless tubes used for long tube trailer
1 | Φ540*7.8 |
2 | Φ540*9.3 |
3 | Φ559*7.8 |
4 | Φ559*11.0 |
5 | Φ559*16.8 |
6 | Φ559*17.6 |
7 | Φ559*23.4 |
8 | Φ610*15.7 |
9 | Φ660*8.3 |
10 | Φ660*19.8 |
11 | Φ711*21.5 |
12 | Φ711*23.5 |
13 | Φ715*21.5 |
14 | Φ720*21.8 |
Size Range
Nominal outer diameter (O.D.) Φ60 ~ 210mm; wall thickness (W.T.) 2.4 ~ 5.0mm;
Nominal outer diameter (O.D.) Φ210 ~ 356mm; wall thickness (W.T.) 4.5 ~ 7.0mm;
Nominal outer diameter (O.D.) Φ370 ~ 457mm; wall thickness (W.T.) 5.5 ~ 25mm;
Nominal outer diameter (O.D.) Φ480 ~ 730 mm; wall thickness (W.T.) 8.0 ~ 30.0mm
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