Forged Alloy Steel Flange WN SO BL RTJ RF ASME B16.5 High Pressure Pipe Flange

Our forged alloy steel flange is professional high-temperature high-pressure pipe connection fitting for extreme industrial piping systems. Available in WN, SO, BL, TH, LJ types with RF and RTJ sealing faces, made of P11, P22, 15CrMo, 12Cr1MoV alloy steel under ASME B16.5 standards. Integral hot forging structure delivers outstanding pressure resistance and high-temperature oxidation resistance, effectively preventing flange deformation and medium leakage. Widely applied in thermal power, petrochemical, oil & gas and heating engineering pipelines. We supply standard stock sizes and accept OEM custom drawings for global engineering purchasers.

keywords：

Flange

Category：

Alloy Steel Flange

ADD TO WISHLIST

Email：weady@cppipefitting.com

Inquiry Inquiry

Product Technical Specifications

Product Types: Weld Neck Alloy Flange, Slip On Alloy Flange, Blind Alloy Flange, Threaded Alloy Flange, Lap Joint Alloy Flange
Available Alloy Grades: 15CrMo, 12Cr1MoV, P11, P22, Cr5Mo
Manufacturing Process: Integral Hot Forging + Heat Treatment Stress Relief + CNC Precision Machining
Executive Standards: ASME B16.5, HG/T20592, GB/T9124, MSS SP-44
Nominal Diameter: DN15 ~ DN1200 (custom non-standard sizes available)
Pressure Class: Class 150 / 300 / 600 / 900 / 1500 / 2500
Matching Pipe Schedule: Sch40, Sch80, Sch160, XXS, custom thick wall
Sealing Face Type: RF Raised Face, RTJ Ring Joint Face
Continuous Working Temperature: -40℃ ~ +650℃
Surface Treatment: Anti-rust black oil, high-temperature black paint, customized epoxy anti-corrosion coating
Matching Fastener: ASTM A193 B7 alloy steel bolt + A194 2H nut
Customizable Items: Size, thickness, alloy grade, sealing groove, brand laser marking, special anti-corrosion coating

Industry Solutions

Electric power

Petroleum

Chemical industry

Oil & gas transportation

Light textile

Build

Get a free quote

Please leave your contact information so that we can contact you in the first place!

Message(Enter product details such as dimensions, materials, etc. and other specific requirements to get an accurate quote.)

I want more details. Product Request: Customised: Delivery time: Payment: Shipped by boat: Usage:

(Maximum 5 files. Support jpg, jpeg, png, gif, txt, doc, pdf, xls, docx, xlsx, less than 5MB)

Send Inquiry Now