bs 1387standard q235b seamless carbon steel pipe tube
BS 1387 Carbon steel Steel Pipe_CHN Steel pipe & tube Co.,LtdBS 1387 ERW Welded Carbon Pipe. Description: 1. Specification: BS 1387 2. Specification for Screwed and Socketd steel tubes and tubulars and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads 3. Type: Electric Resistance Welded(ERW) 4.