國內外不銹鋼管生產標準明細
目前不銹鋼管(guan)有兩種制造(zao)(zao)管(guan)子的方式(shi):無縫鋼管(guan)(seamless)、焊(han)接或(huo)(huo)是(shi)電(dian)阻焊(han)接(electricresistancewelding,ERW)。無縫鋼管(guan)是(shi)用(yong)擠型或(huo)(huo)是(shi)輥式(shi)穿孔方式(shi)+冷軋(ya)或(huo)(huo)冷拔相(xiang)結(jie)合制造(zao)(zao)。焊(han)接或(huo)(huo)電(dian)阻焊(han)接管(guan)(Electricresistancewelding)是(shi)...