ERW Carbon Steel Pipe

Standard: API/ASTM/ASME
Size: Nps 1/2"~12"(21.3mm~323.9mm)
Galvanized/Black: ASTM A53 Grade A/B: D1/2"~12";
API 5L: D4"~12";
API 5CT: D4"~12"

Standard: BS1387/EN10255/EN39/JIS G3444/EN10219
Size: D1/2"~12" (21.3mm~323.9mm)