ASTM A53 Q235B C20/20# 35# 45# ERW Welded Non-alloy
ASTM A53 Q235B C20/20# 35# 45# ERW Welded Non-alloy Carbon Black Steel Pipe, US $ 550 - 700 / Metric Ton, GB, GB/T 8163-1999, GB/T 8162-1999, GB 9948-2006, GB/T8162, Gb/t8163, GB/T 3087, GB/T5310, 10#-45#, 10#, 20#, 45#, 1 - 60 mm.Source from Wugang Chang Yu Long Industry And Trade Co., Ltd. on .
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welded q275a h shape steel