The main material of the pipe is ASTM A53/A106/API 5L B, X42, X52

sizes range:

Seamless Steel Pipe: OD 1/8” – 48” (10.3-1219mm)

ERW Steel Pipe: OD 1/2” – 24” (21.3-610mm)

SSAW Steel Pipe: OD 8” – 138” (219.1-3500mm)

LSAW Steel Pipe: OD 8” – 72” (219.1-1820mm)

Galvanized Steel Pipe: OD 1/2”- 24”(21.3-610mm)