Duplex Steel Pipes & Tubes
ASTM A 789 / A 790 Duplex Steel Pipes & Tubes Manufacturer, Exporter & Suppliers.
Duplex Steel Seamless Pipes & Tubes, Duplex Steel Welded Pipes & Tubes, ERW Pipes Suppliers in India.
We are engaged in manufacturing and exporting a qualitative range of Duplex Steel Pipes & Tubes that are widely used in construction & other industries. These pipes & tubes are available in various grades, specification, size & thickness to our clients requirement . These pipes are highly appreciated among the clients for their smooth finishing, durability, dimensional accuracy and corrosion resistance. We offer these pipes & tubes to our clients at market leading price.
Specification :
Standard | : | ASTM / ASME SA 790. SA 789 , SA 790 |
Grade | : | UNS NO. S 31803, S 32205 |
Type | : | SEAMLESS / ERW / WELDED/ FABRICATED |
Length | : | Single Random, Cut Length |
End | : | Plain End, Bevelled End, Threaded |
Types of Duplex Steel Pipes & Tubes :
Duplex Steel UNS S31803 Pipes and Tubes
Duplex Steel UNS S32205 Pipes and Tubes
Chemical Composition of Super Duplex Stainless Steel Butt weld Fittings
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S32750 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
Mechanical Properties of ASTM A815 Super Duplex Steel Butt weld Pipe Fittings
Grade | Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) |
Hardness Rockwell C (HR C) |
UNS S31803 | 650-880 | 448 | 25 | |
UNS S32205 | 621 | 448 | 25 | 21 max |