Introduction：
The 4151 seamless cold drawn gas tube is a seamless steel tube suitable for the production of gas cylinder type high pressure vessels.
Main Material：37Mn / 1541 / 36Mn5 / 38MnB5、30CrMo / 4130 / 25CrMo4 / 30ChM、
35CrMo / 4135 / 34CrMo4 / 35ChMA
Standard：GB18248-2008
International Standard：JIS G 3429、ASTM 519、EN 10297-1、EN 10083、DIN 17204、GOST4543-71
Size list:
| φ90*2.6 | φ279*4.7 | Φ711*21.5 |
φ105*3 | φ300*4.4 | Φ711*23.5 |
φ108*2.8 | φ325*4.6 | Φ715*21.5 |
φ108*2.8 | φ325*5.0 | Φ720*21.8 |
φ116*3 | φ356*4.8 | |
φ114*3.4 | φ356*5.0 | |
φ125*4.0 | φ356*5.3 | |
φ133*3.5 | φ356*6.8 | |
φ140*3.1 | φ406*5.6 | |
φ140*3.8 | φ406*5.9 | |
φ178*4.0 | φ406*6.2 | |
φ178*4.2 | φ406*7.3 | |
φ178*4.6 | φ406*7.8 | |
φ178*4.8 | φ457*7.5 | |
φ178*4.8 | Φ540*7.8 | |
φ189*4.8 | Φ540*9.3 | |
φ197*4.2 | Φ559*7.8 | |
φ203*5.0 | Φ559*11.0 | |
φ204*4.7 | Φ559*16.8 | |
φ325*6.7 | Φ559*17.6 | |
φ330*5.0 | Φ559*23.4 | |
φ406*6.5 | Φ610*15.7 | |
φ406*9.6 | Φ660*8.3 | |
φ406*10 | Φ660*19.8 |
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