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2205 Duplex Steel Flanges

2205 Duplex Steel Flanges

Duplex Stainless Steel Flanges Specification

Standards Specification Of : 2205 Duplex Steel 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

Duplex Steel Blind Flanges Equivalent

SA182 Gr. F51/ SA182 Gr. F60 1.4462 UNS S31803
SA182 Gr. F53 1.4410 UNS S32750
SA182 Gr. F55 1.4501 UNS S32760


Duplex Steel Slip On Flanges Chemical Composition

Gr. C Mn Si P S Cr Mo Ni N Fe
Duplex S31803 0.030 maxi. 2.00 maxi. 1.00 maxi. 0.030 maxi. 0.020 maxi. 22.0 – 23.0 3.0 – 3.5 4.50 – 6.50 0.14 – 0.20 63.72 min
Duplex S32205 0.030 maxi. 2.00 maxi. 1.00 maxi. 0.030 maxi. 0.020 maxi. 21.0 – 23.0 2.50 - 3.50 4.50 – 6.50 0.8 – 0.20 63.54 min


Duplex WNRF Flanges Mechanical Chart

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
Duplex S31803 / S32205 7.805 0.285 1420 – 1465 2588 – 2669