ERW Steel Pipe 1
. Steel pipes, including ERW and seamless, round and rectangular or square, according to standards ASTM A53, ASTM A106, ASTM A795, ASTM A135, ASTM A500, API 5L, API 5CT, UL6, UL797, EN10219, EN10255, EN10240, EN39(BS1139), DIN2440/ DIN2444, JIS ...