bright high-frequency electric welding steel pipe
bright high-frequency electric welding steel pipe
4、Φ16～50×0.6～2 bright high-frequency electric welding steel pipe
5、 Φ7～40×0.8～2 cold drawing high-frequency electric welding steel pipe
6、 deformed high-frequency electric welding steel pipe . P-Type pipe、 Z-Type pipe、 D-Type pipe、 convex pipe 、concave pipe (carriage special pipe) 。
① 50x42x32x1.5 wire bed triangular pipe
② flat nose triangular palm stand steel pipe
③ Φ25x1.2wire bed eccentric pipe
④ R12x48x24x1.2～2.5 escalator pipe
⑤ 70x55x34x4x1.5 P-Type rail steel pipe
⑥ 1# 2# open-web steel door frame pipe
⑦ open-web steel window pipe ( 25A Series) A2-A5(GB8717-88)252、253、254、255
⑧ stainless steel decorative pipe series JG/T 3030～1995
⑨ special steel 16Mn(Q345 low alloy and high intensity structural pipe)；
B510L(auto girder、crossbeam 、structural pipe)；
09CuPCrNi(high weathering resistance structural pipe)；
10CrNiCuPA(corrosion-resistant structural pipe ).
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