ASME B16.5 Stainless Steel Flanges for Oil & Gas Industry

SongHai Flange supplies certified ASME B16.5 flanges for upstream, midstream, and downstream oil and gas applications. With 30+ years of manufacturing experience, we deliver pressure-rated flanges that meet API and ASME standards.

ASME B16.5 Flange Specifications

• Pressure Classes: 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
• Materials: 304/304L, 316/316L, 321, 347 stainless steel
• Types: Weld Neck, Slip-On, Socket Weld, Blind, Lap Joint
• Face Types: RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint)

Applications in Oil & Gas

• Wellhead equipment and Christmas trees
• Pipeline connections and valve assemblies
• Refinery processing units
• Offshore platforms and FPSO systems

质量认证

• ASME B16.5 compliant
• API 6A certification available
• PED 2014/68/EU for European projects
• MTR (Mill Test Report) with every shipment

Why Choose SongHai for ASME Flanges

• Direct manufacturer pricing – no middlemen
• Fast delivery: 7-15 days for standard items
• Custom machining available
• Third-party inspection welcome (SGS, BV, TUV)

Request a quote today: 1007788887@qq.com | WhatsApp: +86-1865877755