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Stainless Steel 347 Flanges and ASTM A182 Grade 347H Forged Flange

ASTM A182 F347 Flanges

Stainless Steel 347H Flanges Specification

Standards Specification Of : ASTM A182 F347 Flanges
Pressure Rating ANSI 150#, 300#, 400#, 600#, 900#, 1500#, 2500#
Production technique
  • Heat treated, Forged and machined
Most common types Threaded / Screwed / Forged / Plate
Japanese Standards 5K, 10 K, 40 K, 16 K 20 K 30 K, 63 K
Manufacturing Shapes RTJ,FF, Raised Face, Lap-Joint Face, Large Tongue & Groove And Small Tongue Groove, Large Male-Female And Small Male-Female
Size Chart 1/2" to 48"
Flanges Standards MSS S44, ISO70051, EN-1092, ANSI/ASME B16.5, B16.47 Series A & B, ASME B16.48, ASME B16.36, DIN, BS1560-3.1, API7S-15, API, ISO, UNI, AWWA C207, IS 2062, EN1092, API7S-43, API605, BS4504


SS UNS S34700 Pipe Flanges Equivalent

STANDARD WERKSTOFF NR. UNS JIS GOST EN
SS 347 Flanges 1.4550 S34700 SUS 347 08Ch18N12B X6CrNiNb18-10
SS 347H 1.4961 S34709 SUS 347H - X6CrNiNb18-12


ASTM A182 Gr F347 Flanges Chemical Composition

Grade C Mn Si P S Cr Mo Ni N
SS 347 Flanges 0.08 max 2 max 1.0 max 0.045 max 0.030 max 17.00 - 20.00 10xC – 1.10 9.00 - 13.00 62.74 min
SS 347H Flanges 0.04 – 0.10 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 20.00 8xC – 1.10 9.00 - 13.00 63.72 min


Stainless Steel 347 Flanges Mechanical Composition

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1454 °C (2550 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %