Standard: GB/T 19326, MSS SP-95/97
ASTM A182 F321/F304/F304L/F304H/F316/F316L.
Material: ASTM A105, ASTM A182 F11/F22, ASTM A350,
Wall Thickness(Pressure Rating): STD, XS, XXS, 3000LB, 6000LB
We do inquire for you , please wait ...