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Dingxiang Jinyu Forging Supplies ASTM A182 F11, F22, F91 Alloy Steel Flanges for High-Temperature Pr


  • ASTM A182 F11 | F22 | F91 铬钼锻造法兰

DINGXIANG, CHINA — September 24, 2026 — Dingxiang Jinyu Forging Co., Ltd., a TS-certified forging manufacturer, provides ASTM A182 chrome-moly alloy steel forged flanges F11, F22 and F91 for power and petrochemical high-temperature, high-pressure piping systems.

A182 F11 suits medium-temperature steam pipelines. F22 features excellent creep resistance for high-temperature process lines. F91 is designed for supercritical power station conditions. Available types include WN, SO, BL and SW flanges, with RF, FF and RTJ sealing faces. Size ranges DN15-DN1600, Class150-Class2500.

All flanges are forged from premium steel ingots, with in-house heat treatment, PMI and NDT inspection. EN 10204 3.1 certificates are supplied for every batch. Our products perfectly match A335 P11/P22/P91 pipes. Custom drawings and OEM orders are welcome.

Jinyu Forging also produces carbon steel, stainless steel and sour service HIC flanges. Contact: Xing Xiaoyan, +86 13835097123 / whatsApp+86 13613506906


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Dingxiang Jinyu Forging Co., Ltd.,