AS1163 C350L0 grade ERW steel pipe/spiral welded steel pipe/LSAW steel pipe on May 17, 2015 AS/NZS 1163 AS1163 AS1163 steel pipe C350L0 +
rolled grooved ends ASTM A795 ERW steel pipe for fire protection--Tianjin Boai Steel Pipe--Will Xu on May 17, 2015 grooved ends pipe +