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Duplex Steel Flanges

Duplex Steel Flanges

Shree Viratra Enterprises, which had a little beginning in 1980, has grown significantly, becoming one of the world’s largest producers of Duplex S31083 / S32205 Flanges thanks to the network of our internal manufacturing facility, which fabricates flanges in unusual metal kinds. We have a detailed quality control process where we meticulously evaluate each item based on several criteria. Our Duplex Steel UNS S31803 Blind Flanges undergo testing and verification to ensure that they are accurate and precise enough to serve as watertight seals at pipe ends. They are not susceptible to ordinary corrosion. Due to the smooth surfaces of our ASME SA182 Duplex Steel UNS S32205 Weld Neck Flanges’ ability to withstand temperatures up to 600 ° F while supporting outstanding flow characteristics, we supply them to seawater and power production equipment. To deliver shipments more quickly, we have been introducing innovative strategies. As exporters, we can provide gases up to 600 psi through our duplex steel DIN 1.4410 socket weld flanges, which are packaged and sent to the closest port at your convenience. We can supply anywhere because of the collaboration between our production and sales teams. Also, We offer a wide range of Duplex Steel ASTM A182 Flanges such as Duplex 2205 Slip On Flanges, Duplex Steel S31803 Weld Neck Flanges, Duplex F51 Socket Weld Flanges, Gr. F52 Duplex Blind Flanges, Duplex Steel F56 Orifice Flanges, Duplex Steel S32205 Spectacle Blind Flanges, Duplex Steel F60 Screwed / Threaded Flanges, Duplex Steel F61 Reducing Flanges, Duplex 2205 Ring Type Joint Flanges (RTJ) etc.

Duplex Steel Flanges Specifications

Specifications : ASTM A182 / ASME SA182
Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Size : 1/8″ NB TO 24″ NB
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Grades : S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61

Duplex Steel Flanges Equivalent Grades

STANDARD UNS WERKSTOFF NR. AFNOR EN JIS BS GOST
Duplex Steel S31803
S31803
1.4462
-
-
-
-
-
Duplex Steel S32205
S32205
1.4462
-
-
-
-
-

Duplex Steel Flanges Chemical Composition

Grade Ni Cr N C Mn P S Si Mo Fe
Duplex Steel S31803
4.5 – 6.5
22 – 23
0.14 – 0.2
0.030 max
2.0 max
0.030 max
0.02 max
1 max
3 – 3.5
-
Duplex Steel S32205
4.50 – 6.50
21.0 – 23.0
0.08 – 0.20
0.030 max.
2.00 max.
0.030 max.
0.020 max.
1.00 max.
2.50 – 3.50
63.54 min

Mechanical Properties of Duplex Steel Flanges

Grade Density Melting Point Tensile Strength Yield Strength Elongation
Duplex Steel S31803/S32205
7.8 g/cm3
1440 °C (2625 °F)
Psi – 90000 , MPa – 620
Psi – 65000 , MPa – 450
30 %

Other Products & Grade

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