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ASTM A182 F91 Flanges

ASTM A182 F91 Flanges

Alloy Steel F91 Flanges Specification

Standards Specification Of : ASTM A182 F91 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

ASTM A182 F91 Blind Flanges Equivalent

Material Group Common Name Type UNS Forging Spec. Casting Spec. Equivalent DIN DIN W. No Application
2.1/4Cr-1Mo K21590 A182-F22 cl3 A217-WC9 10CRM0910 1.7380 Up to 593ºC (1100ºF), HP steam


ASTM A182 F91 Weld Neck Flanges Chemical Composition

Element
 Weight %
C 0.08-0.12
Mn 0.30-0.60
P 0.020 Max
S 0.010 Max
Si 0.20-0.50
Ni 0.40 Max
Cr 8.0-9.5
Mo 0.85-1.05
V 0.18-0.25
Cu –
Other Cb, 0.06-0.10; N, 0.03-0.07; Al, 0.04 max.


SA182 Gr F91 Slip On Flanges Mechanical Chart

Grade Tensile Strength (Mpa) Yield Strength (Mpa) Elongation %
ASTM Gr A182 F91 Flanges 415 585 20