Items
Seamless, EWR,
LSAW, EFW.

Specifications
ANSI B36.10, ANSI B36.19

Material Grades
Carbon Steel
ASTM A53 Gr. B, ASTM A106 Gr. B, ASTM A333, Gr.3, Gr.6
API 5LA, B, X42, X46, X52, X56, X60, X65, X70
Stainless Steel
ASTM A312, TP304/304L, TP316/316L, TP310S/310H,
TP321/321H, TP347/347H
Alloy Steel
ASTM A355 P1, P5, P9, P11, P12, P22, P91
Duplex Stainless Steel
ASTM A790 UNS S31803, UNS S32750, UNS S32760
Special Alloy
Inconel 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy 800, Incoloy 800H,
Incoloy 825, Hastelloy C276, Monel 400, Monel K-500

Size
Carbon Steel & Alloy Steel
Seamless: 1/2’’~24’’NB
ERW: 1/2’’~40’’NB
LSAW: 18’’~72’’NB
Stainless Steel
Seamless: 1/2’’~24’’NB
ERW: 1/2’’~40’’NB
EFW: 18’’~80’’NB
Wall Thickness:
Carbon Steel & Alloy Steel
SchSTD, XS, XXS, Sch 10~Sch 160
Stainless Steel