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Hot dip galvanizing scaffolding pipe q235 steel specification, US $ 635 - 750 / Metric Ton, bs, GB, ASTM, BS 1387, BS 4568, GB/T3901, ASTM A53-2007, ASME B36.19M-1985, GB, ASTM, BS, JIS ect, 10#-45#, A53-A369, ST35-ST52, Q195-Q345, 20#, 45#, A53(A,B), A106(B,C), A269, A312, ST37, ST52, ST42, ST45, Q