碳鋼焊接鋼管
1.美標(biāo)ERW高頻焊管ASTM A106、A53,規(guī)格:1/2″-24″,21.3-609.6mm
2.英標(biāo)ERW高頻焊管BS1387,規(guī)格:1/2″-12″,21.3-323.8mm
3.汽車傳動(dòng)軸用電焊鋼管GB9947-88? ? YB/T5209-2000
4.皮帶機(jī)托輥用電焊鋼管
DSAW直縫焊接鋼管焊管規(guī)格齊全
美標(biāo)焊接鋼管|DIN1629焊接鋼管|河北潤(rùn)成鋼管