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Carbon Steel Flanges

Product categories of Carbon Steel Flanges, we are specialized manufacturers from China, Carbon Steel Flanges, Forged Flanges suppliers/factory, wholesale high-quality products of Steel Flanges R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!

Welding Neck Flange


Slip-On Flange


Threaded Flange


Blind Flange

China Carbon Steel Flanges Suppliers

Forged Flanges normally produce with forged steel or other material like stainless steel, it's work on pipelines connection with threaded bolts or welding with pipes or welding fittings directly.Our flanges can use on water, oil, gas,etc.


Material: Carbon steel, Stainless steel

Sizes: DN15(1/2") to DN1200(48")

DIN Standard:

Plate: DIN2542 PN10, DIN2576 PN10, DIN2573 PN6

Welding Neck: DIN2635 PN40, DIN 2634 PN25, DIN2633 PN16, DIN2632 PN10, DIN2631 PN6

Threaded: DIN2566 PN10, DIN2565 PN6

Blind: DIN2527 PN16, DIN2527 PN10

UNI Standard:

Plate: UNI6090 PN16, UNI6089 PN10, UNI2278 PN16, UNI2277PN10, UNI2276 PN6

Welding Neck: UNI2284 PN40, NNI2283 PN25, UNI2282 PN16, UNI2281 PN10, UNI 2280 PN6

Threaded: UNI2254 PN16, UNI2253 PN6

Blind: UNI6093 PN16, UNI6092 PN10

ANSI Standard:

Plate: ANSI 600lb RF-SO, ANSI 300lb RF-SO, ANSI 150lb RF-SO

Welding Neck: ANSI 600lb RF-WN-STD, ANSI 300lb RF-WN-STD, ANSI 150ld RF-WN-STD

Blind: ANSI 600lb RF-BLIND, ANSI 300lb RF-BLIND, ANSI 150lb RF-BLIND


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