With excellent talents and leading technology, we provide domestic and foreign customers with high quality products for Chrome Plated Steel Bar, Tank Welding Rotators For Boiler Industry, Hydraulic Cylinder Tube and perfect customer service. We are wanting ahead to hearing from you before long. We believe that choosing us is the guarantee of choosing quality, and we look forward to cooperation with you sincerely! With top quality products, great after-sales service and warranty policy, we win trust from many overseas partner, many good feedbacks witnessed our factory's growth. Our strong market competitiveness comes from the strong comprehensive strength of enterprises. At present, our marketing outlets are all over the country, and the professional service team provides 'whole process worry free service' for customers.
Introduction
Cylinder again and mining enterprises, fire use, the medical field is widely used for storing a gaseous medium, the release device and media. Cylinder tube is suitable for producing seamless steel pipe cylinder type high pressure vessel.
Technical Parameters
Outer diameter specification: Φ50-850mm Wall thickness: 3-55mm Outer diameter deviation: ±0.75% Wall thickness difference: -10% -+12.5% inner and outer diameter Roundness: 80% of the outer diameter tolerance is not exceeded: 2mm straightness: 1mm / 1m Surface quality: no cracks, folding, rolling, separation and stuttering.
Specification
Standard | Brand | Tensile strength (MPa) | Yield strength (MPa) | Elongation(%) |
37Mn | ≥750 | ≥630 | ≥16 | |
34Mn2V | ≥745 | ≥530 | ≥16 | |
30CrMo | ≥930 | ≥785 | ≥12 | |
35CrMo | ≥980 | ≥835 | ≥12 |
Main Material:30CrMo、37Mn、34CrMo4、35CrMo
Standard:GB18248-2008
International Standard:JIS G 3429、ASTM 519、EN 10297-1、EN 10083、DIN 17204、GOST4543-71
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.
Part of size list
1 | φ90*2.6 |
2 | φ105*3 |
3 | φ108*2.8 |
4 | φ108*2.8 |
5 | φ116*3 |
6 | φ114*3.4 |
7 | φ125*4.0 |
8 | φ133*3.5 |
9 | φ140*3.1 |
10 | φ140*3.8 |
11 | φ178*4.0 |
12 | φ178*4.2 |
13 | φ178*4.6 |
14 | φ178*4.8 |
15 | φ178*4.8 |
16 | φ189*4.8 |
17 | φ197*4.2 |
18 | φ203*5.0 |
19 | φ204*4.7 |
20 | φ325*6.7 |
21 | φ330*5.0 |
22 | φ406*6.5 |
23 | φ406*9.6 |
24 | φ406*10 |
Our Equipment


Our extraordinary customization capabilities and extensive collaborative development with customers make us develop well in the Seamless Steel Tube, Hydraulic Cylinder Tube for Gas Cylinder, 37mn 30CrMo, GB 18248, Torcih industry. Welcome new and old customers to inquire and patronize. Never-ending improvement and striving for 0% deficiency are our two main excellent policies.
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