Q195 Q215 Q235 Square Steel Pipe - S355j2 Steel Plates
q195 q235 4 inch astm standards socket carbon a53 erw . q195 q235 4 inch astm standards socket carbon a53 erw tube steel pipe list with oil, US $ 500.0 600.0 / Ton, API, ASTM, BS, DIN, GB, JIS, API 5CT, API 5L, ASTM A106 2006, ASTM A53 2007, BS 7, BS 1139, BS EN10219, BS EN10217, DIN 1630, GB 13296 2007, GB/T 12770 2002, GB 5130, JIS G3429, 10# 45#, 16Mn, A53 A369, Q195
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201 202 heat exchanger stainless steel coil tube