spiral welded steel pipe Large Diameter Thin Wall SSAW
spiral welded steel pipe Large Diameter Thin Wall SSAW SAW DSAW LSAW Spiral Welded Low Carbon Steel, US $ 450 - 650 / Ton, API, ASTM, BS, DIN, GB, API 5L, ASTM A106-2006, ASTM A53-2007, BS EN10025, BS EN10219, BS EN10217, DIN EN 10216-1-2004, DIN EN 10208-1-1998, DIN EN 10217-1-2005, DIN 28180-2007, DIN EN 10025, GB/T9711, 10#-45#, 16Mn, A53-A369, Q195-Q345,
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