Product Overview of ASME Flanged Welding Flange

Name: ASME Flanged Welding Neck Flat Flange

Spec: 1/2" ~ 24"

Pressure: 150LB, 300LB, 600LB, 900LB, 1500LB, 2500LB

Type: Necked Flat Welding Flange

ASME flanged socket welds available in various materials:

Carbon Steel Flanges (CS): ASTM A105, 20#, Q235, 16Mn, ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2, ASTM A694 F42, F46, F48, F50, F52, F56, F60, F65, F70

Stainless Steel Flanges (SS): ASTM A182 F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8

Alloy Flanges (AS): ASTM A182 F1, F5a, F9, F11, F12, F22, F91, A182F12, A182F11, 16MnR, Cr5Mo, 12Cr1MoV, 15CrMo, 12Cr2Mo1, A335P22, St45.8/Ⅲ

ASME Flanged Welding Flange Manufacturing Process: sawing, heat treatment, die forging, machining.

ASME flanged flat weld forgings standard

ANSI B16.5、ANSI B16.47、MSS SP44、ANSI B16.36、ANSI B16.48;

1: ANSI flanged flat welding connections are mounted on pipe ends. They are primarily components used to connect one pipe to another.

2: The ASME flanged socket welds have holes for bolting, allowing the two flanges to be tightly connected, and gaskets are used between the flanges for sealing.

3: A U.S. standard raised face welding flange connection consists of a pair of flanges, a gasket, and several bolts and nuts.

4: The gasket is placed between the sealing surfaces of the two flanges. After the nuts are tightened, the gasket deforms upon reaching a certain pressure, filling the uneven areas on the sealing surface, ensuring a tight and leak-proof connection. Flange joints are removable connections. They can be categorized into vessel flanges and pipe flanges based on the connected components. Necked butt-welding flanges are suitable for steel pipe connections with a nominal pressure not exceeding 2.5 MPa.

5: ASME flanged flat welding connections are used for the joint welding of flanges and pipes, featuring a rational structure, high strength and rigidity, and resistance to high temperatures, high pressures, repeated bending, and temperature fluctuations. They offer reliable sealing. Flanged flat welding connections with a nominal pressure of 0.25 to 2.5 MPa are equipped with raised and recessed sealing surfaces.

American standard flanges are components that connect pipes together, attaching at the pipe ends. American standard weld neck flanges are made by either forging or casting methods.

American standard welding flanges can be divided into flanged welding flanges and socket welding flanges according to the neck condition.

American standard焊接法兰 consists of two flange discs and a gasket, fastened together with bolts to complete the connection. American standard flanges have holes, with bolts securing the two flanges tightly.

Procurement Recommendations

1: Recommend purchasing from a reputable necked flat welding flange manufacturer with a certain production scale.

2: manufacturers of flanges need to provide material inspection reports and related documents for necked flat welding flanges.

3:颈平焊法兰 must have corresponding specification and model steel stamping and identification.