無縫管--非標直徑Φ51 Φ83 Φ260 Φ318等規(guī)格的無縫鋼管現(xiàn)貨

非標無縫鋼管現(xiàn)貨規(guī)格：

260*30mm;410*75mm;410*100mm;170*60mm;185*60mm;300*60mm;345*75mm;720*100mm

20# 168*20mm  219*6mm

20# 273*20  273*70mm

20# 245*55mm  245*70mm  245*80mm

20# 402*70mm  402*75mm  402*80mm  402*90mm

20# 406*80mm  406*90mm

20# 426*70mm  426*75mm  426*80mm

45# 245*60mm

45# 402*70mm  402*75mm  402*80mm  402*85mm  402*90mm

45# 406*80mm  406*90mm   406*75mm  

45# 426*70mm  426*75mm  426*80mm

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