氣瓶用鋼管
Tube/Pipe for gas cylinder
標(biāo)準(zhǔn) Standard:
ASTM A519 —無縫碳鋼和合金鋼機(jī)械管
EN10297 —用于機(jī)械和一般工程用途的無縫鋼管
DOT-3AA/3AAX—無縫鋼瓶規(guī)范
GB18248 —?dú)馄坑脽o縫鋼管
GB28884 —大容積氣瓶用無縫鋼管
鋼級(jí) Grade
標(biāo)準(zhǔn)Standard | 鋼級(jí) Grade | 外徑OD | 壁厚WT | 備注Remarks | ASTM A519 | 4130、4140、4142、4145 | 219-720mm | 5-50mm | | EN10297 | 30CrMo4、34CrMo4、42CrMo4 | 219-720mm | 5-50mm | | DOT-3AA/3AAX | 4130X | 406-720mm | 5-25mm | | GB18248 | 37Mn、34Mn2V、30CrMo、35CrMo、34CrMo4 | 219-720mm | 5-30mm | | GB28884 | 30CrMoE、42CrMoE | 219-720mm | 5-50mm | |
注：經(jīng)協(xié)商，也可供其它規(guī)格的鋼管
Note:Other size can also be provided after consuliting with customers |
