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Renine Metalloys is a renowned distributor and supplier of Duplex S31803 Pipes and Tubes, which gives better guaranteed corrosion resistance. Our Duplex S31803 Seamless Pipes display properties characteristic of both austenitic and Ferritic stainless steels. These Duplex S31803 Welded Pipes has resistance to stress corrosion cracking of importance in a number of applications including hot water tanks, process plant, brewing tanks, and desalination plant. Our Duplex S31803 EFW Pipes is generally supplied in the annealed condition giving yield strengths in excess of 65 KSI (450Mpa). These Duplex S31803 ERW Pipes also demonstrates good fatigue strength, as well as outstanding resistance to stress corrosion cracking, crevice, pitting, erosion, and general corrosion in severe environments. Our Duplex S31803 Seamless Tubes contains about 10 % of chromium, which further has high resistance to chloride stress corrosion cracking.
Duplex Steel UNS S31803 Pipes & Tubes
The structure of these Duplex S31803 Welded Tubes consists of austenite pools surrounded by a continuous ferrite phase. Our Duplex S31803 EFW Tubes is approximately double the yield strength of standard austenitic stainless steel grades. These Duplex S31803 ERW Tubes is the most frequently used duplex grade, and is not intended to be used at temperatures above 300 Degree C due to embrittlement. We are able to ship our Duplex S31803 Tubes to worldwide destinations by road, sea or air freight usually with immediate delivery due to our policy of maintaining high stock levels over a vast array of sizes.
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Duplex S31803 Stainless Steel Pipes & Tubes Specification
Standard ASTM A790 / ASME SA790, ASTM A789 / ASME SA A789
Dimensions ASTM, ASME and API
Seamless Pipes & Tubes Sizes 1 / 2" NB - 8" NB
Welded Pipes & Tubes Sizes : 6" NB - 24" NB
Outer Diameter 6.0-630mm
Schedule SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
Thickness 0.3mm – 50 mm
Type Seamless / ERW / Welded/ Fabricated
Form Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes
Length Single Random, Double Random & Cut Length
End Plain End, Beveled End, Treaded
Get QuoteDuplex Steel UNS S31803 Pipes and Tubes Equivalent Indian Standard
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex 2205 | S31803 | 1.4462 |
ASTM A790 Duplex Steel S31803 Seamless and Welded Pipe Chemical Composition
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
ASME SA789 Duplex Steel UNS S31803 Seamless and Welded Tubing Mechanical Properties
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| S31803 | 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 116000 , MPa – 800 | Psi – 80000 , MPa – 550 | 15 % |
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We are Suppliers and Exporters of Duplex UNS S31803 Stainless Steel Pipes & Tubes in Cities Like
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