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 4151 seamless 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 | / | |
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