We hope that all of our leading 4140 seamless cold drawn tube, SRB pipe, Ck45 Steel Honed Pipe can have a positive impact on society and the environment while growing and creating value. We sincerely invite you to be our business partners for mutual benefits. We strive to create a unique corporate culture and business purpose.
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
Mainly produces steel pipe grades
37Mn, 34Mn2V, 30CrMo, 35CrMo, STH11, STH12, STH21, STH22 and the like.
Details
Standard | Brand | Chemical Composition | ||||||||
C | Si | Mn | P、S | Cu | Ni | Mo | Cr | V | ||
GB18248 | 37Mn | 0.34～0.40 | 0.10～0.30 | 1.35～1.65 | ≤0.030 | ≤0.20 | ≤0.30 | / | ≤0.30 | / |
34Mn2V | 0.30～0.37 | 0.17～0.37 | 1.40～1.75 | ≤0.030 | ≤0.20 | ≤0.30 | / | ≤0.30 | 0.07～0.12 | |
30CrMo | 0.26～0.34 | 0.17～0.37 | 0.40～0.70 | ≤0.030 | ≤0.20 | ≤0.30 | 0.15～0.25 | 0.80～1.10 | / | |
35CrMo | 0.32～0.40 | 0.17～0.37 | 0.40～0.70 | ≤0.030 | ≤0.20 | ≤0.30 | 0.15～0.25 | 0.80～1.10 | / | |
JIS G3429 | STH11 | ≤0.50 | 0.10～0.35 | ≤1.80 | ≤0.035 | / | / | / | / | / |
STH12 | 0.30～0.41 | 0.10～0.35 | 1.35～1.70 | ≤0.030 | / | / | / | / | / | |
STH21 | 0.25～0.35 | 0.15～0.35 | 0.40～0.90 | ≤0.030 | / | ≤0.25 | 0.15～0.30 | 0.80～1.20 | / | |
STH22 | 0.33～0.38 | 0.15～0.35 | 0.40～0.90 | ≤0.030 | / | ≤0.25 | 0.15～0.30 | 0.80～1.20 | / | |
Cold drawn seamless tubes used for Vehicle gas cylinder
No. | Specification(O.D.*W.T.) |
1 | φ279*4.7 |
2 | φ300*4.4 |
3 | φ325*4.6 |
4 | φ325*5.0 |
5 | φ356*4.8 |
6 | φ356*5.0 |
7 | φ356*5.3 |
8 | φ356*6.8 |
9 | φ406*5.6 |
10 | φ406*5.9 |
11 | φ406*6.2 |
12 | φ406*7.3 |
13 | φ406*7.8 |
14 | φ457*7.5 |
Our Production Equipment
We have many international advanced fully automatic production lines, mainly producing and developing new types of Hydraulic Cylinder Seamless Steel Pipe Tube for Liquid Water Gas Oil. We unremittingly improve the comprehensive strength of research and development. Over the years, our company has always implemented good and stable quality, on-time delivery, reasonable price and sincere service as the company's business philosophy.
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