لوله

SCH 10 TO SCH XXS

SEAMLESS

WELDED

SPIRAL

ERW

SAW

GALVANIZES

RANGE 1/2 TO 66

API5LGR.B 

API5L GR X42

A106 GRB

A53 GR.B

A333 GR6

A335 GRP11

P22

ASTM A312_304/L &316/L

API

ASTM