ASME B16.5 Flange ASTM A105
Material SpecificationASME B16.5 Flange
ASME B16.5 Standard Cover :pressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing
Contact Faces For ANSI B16.5RTJ (Ring Type Joint), FF (Flat Face), RF (Raised Face), T/G (Tongue And Groove ), M/F (Male And Female)
Size ChartNormal Pipe Size 1/2 to NPS 24″
MaterialsStainless Steel (Grade 304/L, 316/L), Carbon Steel (ASTM A105 And ASTM A350), Alloy Steel (ASTM A182), Mild Steel, Duplex Steel, Pressure Vessel Steel, Titanium, Super Duplex Steel, Nickel Alloy, Monel, Inconel, Hastelloy, Copper Nickel, Cast Iron, Wrought Iron.
Thickness Of ASME B16.5Normal Pipe Size ≤ 18
Bore Diameter Of ANSI B16.5Normal Pipe ≤ 10
Flanges StandardsEN 1092-1, JIS, ASME B16.5, ASME B16.47 type A, UNI, DIN
ASME B16.5 Pressure RatingClass 150 To Class 2500
High Temperature Of ASME B16.5Above 200°C (400°F) For Class 150 Or Above 400°C (750°F)
Low Temperature Of ANSI B16.5Above -29 Degree C (−20°F)
Common Types Of ASME B16.5Slip On (SORF), Weld Neck (WNRF), Blind (BLRF), Lap Joint (Loose), Threaded (NPT), Socket-Weld (SWRF)
ASME B16.5 Marking StandardName of Manufacturer
Type of Flange Facing
Nominal Pipe Size
Pressure Class
ASME B16 Designation
ASME B16.5 Bolt Typehigh strength bolts
medium strength bolts
low strength bolts
European Standard FlangesJIS B2220 Flanges (5k to 30k) and KS1503 flanges
Russian-Standard FlangesGOST 12820 / 12821-80, DIN, UNI, EN 1092-1
South African Standard FlangesSANSflanges And SABS flanges
Surface Finish Of ASME B16.5smooth, concentric serrated, stock
ANSI B16.5 Flanges Gaskets TypesFull Face Gasket
Flat Ring Gasket
Metallic Ring Gakset
Advantages Of Pipe FlangeUsed to Connect Pipe System
Easy Repair Pipe System
Assembled Without Welding