Quality comes first; service is foremost; business is cooperation' is our business philosophy which is constantly observed and pursued by our company for chrome steel bar, Hydraulic Chrome Rod, Head Tail Positioner. We strive to provide you with the most cost-effective products, and we offer quality assurance and after-sales service for all products. Our company has been committed to the industry for many years, and has effectively promoted joint ventures and cooperation with major enterprises and manufacturers, and served the society and users with the idea of industrialization. Our pursuit is the corporate culture with ethics and humanity as its core values.
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
About Us
We are moving towards the corporate goals of professionalization, modernization and internationalization. Our company will make every effort to develop the Gas Cylinder Tube industry with strict management, advanced technology, reliable quality and considerate service. Our company can quickly and effectively respond to market needs and changes in product development, manufacturing, marketing, and customer service. We sincerely welcome businessmen at home and abroad to cooperate with us. We ensure "zero-defect" production at every station of every process.
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