Unique technology and product design and development are the strongest support for our Hard Chrome Plated Steel Bar Rod, St52 Cold Drawn Pipe, Hydraulic Cylinder Honed Tube's large-scale production. In the future, we will continue to adhere the value of 'mutually-beneficial and win-win cooperation' and business ideas 'honest management, continuous progress and dedication to society', wholeheartedly provide customers with perfect products and services, becoming a reliable partner with our customers. We've got a lot of customers at home and abroad. We appear forward to receiving your enquires soon'and hope to have the opportunity to work together with you in the future.
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


We believe that long term partnership is a result of high quality, value added service, rich experience and personal contact for ASME / ASTM A213 P91 P9 AISI 4130 25crmo4 30CrMo Alloy Seamless Steel Pipe. For the past years, we got very good feedbacks, not only because we offer good solutions, but also because of our good after-sale service. Our domestic website's generated over 50, 000 purchasing orders every year and quite successful for internet shopping.
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