Products Details

Flanges - DUPLEX STEEL FLANGES

Specification of Duplex Steel UNS S31803 / F51 Flanges

GradesDuplex Stainless 2205 (UNS N0 S31803 / S32205) / F51
DimensionANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
StandardANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges etc.
SpecificationsASTM A182 / ASME SA182
Size½" NB - 48" NB
Class150#, 300#, 600#, 900#, 1500#, 2500#, etc
PressureDIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160, etc
TypesBlind Flanges, Reducing Flanges, Ring Type Flanges, Spectacle Flanges, Weld Neck Flanges, High Hub Flanges, Threaded Flanges, Lap Joint Flanges, Long weld Neck Flanges, Slip-On Flanges, Socket Weld Flanges, Orifice Flanges.

Chemical Composition of Duplex Steel F51 Flanges

GradeNiCrNCMnPSSiMo
Duplex Steel4.5 - 6.522 - 230.14 - 0.20.030 max2.0 max0.030 max0.02 max1 max3 - 3.5

Mechanical Properties of Duplex Steel F51 Flanges

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
7.8 g/cm31440 °C (2625 °F)Psi - 90000 , MPa - 620Psi - 65000 , MPa - 45030%