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Stainless Steel 304L Flanges and ASTM A182 Grade F304L Forged Flange

ASTM A182 F304L Flanges

304L Stainless Steel Flanges Specification

Standards Specification Of : ASTM A182 F304L 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 Grade F304L Stainless Steel Flanges Equivalent

STANDARD A182 F304L Flanges
JIS SUS 304L
GOST 03Х18Н11
UNS S30403
DIN 1.4306 / 1.4307
WERKSTOFF No. 1.4306 / 1.4307
AFNOR Z3CN18‐10
BS 3304S11
EN X2CrNi18-9 / X2CrNi19-11


A182 F304L Slip On Flanges Chemical Composition

Gr. C Mn Si P S Cr Mo Ni N
ASTM A182 F304L Flanges min. 18.0 8.0
Maxi. 0.030 2.0 0.75 0.045 0.030 20.0 12.0 0.10


SA 182 F304L Blind Flanges Mechanical Composition

Gr. Tensile Strength (MPa) minimum Yield Strength 0.2% Proof (MPa) minimum Elongation (% in 50mm) minimum Hardness
Rockwell B (HR B) max Brinell (HB) max
SA A182 F304L Flanges 485 170 40 92 201