Mahaveer Steel offers a wide extent of Duplex Steel S31803/S32205 Butt Weld Pipe Fittings<>b, which is manufactured at standard with the worldwide quality standards using high-grade steel. Duplex Steel S31803 Elbow Butt Weld Pipe Fittings is solidified steel is a tempered steel whose arrangement enables joining additionally created security from pitting, high strength, stress utilization, crevice disintegration and breaking. Duplex Steel S32205 Tee Butt Weld Pipe Fittings is consistently used in Chemical Process Industry, for instance, in Sulphuric Acid Production, Nitric Acid Processes, Phosphoric Acid Processes, Ethylene oxide, Polypropylene Production, PVC, Equipment Handling Organic and Fatty Acids, Chemical Storage and Tankers, Heat Exchangers, etc Duplex Steel S31803 Reducer Pipe Fittings goes against chloride conditions and sulfide stress disintegration.
Meanwhile, these Duplex Steel S32205 Cross Pipe Fittings are moreover being offered in different sizes and shapes to our customers. Duplex Steel S31803 Bend Butt Weld Pipe Fittings will routinely perform well in conditions which cause troublesome disillusionment of austenitic grades. But Duplex Steel S32205 Stub End Butt Weld Pipe Fittings has incredible high temperature oxidation resistance, this grade – like other duplex treated prepares – encounters embrittlement at whatever point held for even short periods of time at temperatures more than 300 Degree C. At whatever point embrittled, Duplex S31803 End Pipe Cap should be altered by a full course of action fortifying treatment. Duplex S32205 Dish Cap Pipe Fittings are never used more than 300 Degree C.
Specification : ASTM A815 / ASME SA815
Dimension Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
ASME B16.9 : standard for – Factory-Made Wrought Buttwelding Fittings
ASME B16.25 : Buttwelding Ends
ASME B16.28 : standard for – Butt-Welded Short Radius Elbows & Returns Bends
MSS SP-43 : Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications
Size Range : ½" NB to 24" NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100)
Seamless Butt Weld Fitting Size : 1/2" - 10"
Welded Butt Weld Fittings Size : 1/2" - 48"
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Type : Seamless / Welded / Fabricated
| Std | Uns | Werkstoff no | Duplex 31803 Fitting | UNS S31803 / UNS S32205 | 1.4462 / 1.4462 |
|---|
All Sheets and Plates is manufactured and tested / inspected to the relevant standards including ASTM, ASME and API etc.
| Nominal Pipe Size | All Fittings | All Fittings | All Fittings | Elbows/ Tees | 180° Return Bends | 180° Return Bends | 180 Deg Return Bends | Reducers | Caps |
|---|---|---|---|---|---|---|---|---|---|
| NPS | O.D. at Bevel (1), (2) | I.D. at End (1), (3), (4) |
Wall Thickness (3) | Centre-to-End Dimension A,B,C,M | Centre-to-Centre O | Back-to-Face K | Alignment of Ends U | Overall Length H | Overall Length E |
| ½ to 2½ | 0.06 -0.03 |
0.03 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 3 to 3 ½ | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 4 | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 5 to 8 | 0.09 -0.06 |
0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.25 |
| 10 to 18 | 0.16 -0.12 |
0.12 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 20 to 24 | 0.25 -0.19 |
0.19 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 26 to 30 | 0.25 -0.19 |
0.19 | Not less than 87.5% of nominal thickness | 0.12 | … | … | … | 0.19 | 0.38 |
| 32 to 48 | 0.25 -0.19 |
0.19 | Not less than 87.5% of nominal thickness | 0.19 | … | … | … | 0.19 | 0.38 |
| 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 – 23 | 3 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
|---|---|---|---|---|
| S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
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