tianjin ERW steel pipe

tianjinERW steelpipe, US $ 550 - 1400 / Metric Ton, API, ASTM, bs, DIN, GB, JIS, API 5CT, API 5L, ASTM A53-2007, ASTM A179-1990, BS 1387, BS EN10025, DIN 2391, DIN 17175, GB 5310-1995, GB 3087-1999, GB/T 8163-1999, JIS G3444-2006, 10#-45#, 16mn, A53-A369, API J55-API P110, Q195-Q345, ST35-ST52, STPG

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Standard:: API, ASTM, bs, DIN, GB, JIS, API 5CT, API 5L, ASTM A53-2007, ASTM A179-1990, BS 1387, BS EN10025, DIN 2391, DIN 17175, GB 5310-1995, GB 3087-1999, GB/T 8163-1999, JIS G3444-2006

Grade:: 10#-45#, 16mn, A53-A369, API J55-API P110, Q195-Q345, ST35-ST52, STPG42, 20#, 16mn, A53(A,B), A106(B,C), A312, A213, API J55, API K55, Q235, Q345, ST52, STPG42