China Suppliers Factory ASME B16.5 Class 150 Carbon Steel Lap Joint Flange - Reliable Pipe Connection Solution
Material Grade
Carbon Steel
ASTM A105 / A105N, ASTM A350 LF2 / LF3, ASTM A694 F42 / 46 / 56 / 60 / 65
Stainless Steel
ASTM A182 F304/304L/304H, 316/316L, 310S, 317, 347, 904L, ASTM A182 F51, F53, F44
Alloy Steel
ASTM A182 F11 / 12 / 5 / 9 / 91 / 92
Sealing Face
RF, FF, FTJ
Frequently Asked Questions
What Carbon Steel grades do you offer?
We offer Carbon Steel grades including ASTM A105 / A105N, ASTM A350 LF2 / LF3, and ASTM A694 F42 / 46 / 56 / 60 / 65.
Which Stainless Steel grades are available?
Our Stainless Steel range includes ASTM A182 F304/304L/304H, 316/316L, 310S, 317, 347, 904L, as well as Duplex/Super Duplex ASTM A182 F51, F53, and F44.
What Alloy Steel grades do you supply?
We supply Alloy Steel in ASTM A182 F11 / 12 / 5 / 9 / 91 / 92 grades.
What types of sealing faces are available?
The available sealing faces are RF (Raised Face), FF (Flat Face), and FTJ (Ring Type Joint / Female Tongue Joint).
Are these material grades compliant with ASTM standards?
Yes, all listed materials conform strictly to their respective ASTM standards (such as ASTM A105, A350, A694, and A182) ensuring high quality and industry compliance.









