Duplex UNS S31803 Seamless Pipe
Duplex And Super Duplex Seamless Pipe
Duplex S31803 Seamless Pipe, DIN 1.4462 Seamless Tube, ASME SA790 Duplex S31803 Polished Pipe, UNS S31803 Seamless Mirror Finish Pipe, ASTM A790 Duplex S31803 Boiler Pipe.
Based on the amount of alloy present, the corrosion performance of the series of duplex stainless steels varies. Due to their composite microstructure, which contains about equal proportions of ferrite and austenite, they are referred to as duplex pipes. Duplex pipe steel was restricted to a few particular applications in the first-generation grades: chromium, nickel, and molybdenum alloys. Despite having outstanding performance qualities, the welds had low toughness due to an excess of ferrite. Over regular conventionally treated steel, Duplex S31803 Seamless Pipe Suppliers is twice as strong, twice as high-quality, and has a better execution record. Duplex S31803 Seamless Pipe frequently finds use in marine, aerospace, chemical processing, nuclear plants, pollution control equipment, and other areas.
Properties of Duplex steel UNS S31803 seamless pipes:
- The PREN value, of these pipes is higher than that of stainless-steel alloys 304 and 316.
- Standard steel pipes both have a propensity to break when sulphide or chloride ions are accumulated on their surfaces because they have comparatively low protection to such corrosive ions.
- These Pipes provides exceptional impact toughness even at low temperatures. Given that the alloy’s yield strength is two times greater than that of any grade, these pipes may be thinner. This decreases the cost in addition to making the pipe more lightweight.
About Duplex UNS S31803 Seamless Pipe
- The chemical properties based on large levels of Cr and Mo, respectively, improves the resistance to oxidation and pitting corrosion. Nitrogen additions can speed up the structural hardening process via a substitutional solid solution mechanism, raising mechanical properties and tensile strength values without lowering toughness.
- Furthermore, compared to conventional stainless steels, the two-phase microstructure guarantees superior protection against pitting.
- Duplex steel UNS S31803 seamless pipes provide several beneficial characteristics. A product of astounding quality has been produced in the business by considering diverse raw material standard characteristics, employing high-quality alloy, and implementing control procedures.
- These Duplex Seamless Pipe exhibit resistance to both stress-corrosion cracking and common corrosion. These Pipes are also utilised in brewing, hot water, desalination, and processing industries. These seamless pipes are more durable and better equipped to handle pressure since they are constructed of duplex steel S31803. Pressure vessels, storage tanks, and structural uses are further used.
FEATURES:
- High power
- High resistance to pitting and resistance to crevice corrosion
- high resistance to erosion, corrosion fatigue, and stress corrosion cracking
- Excellent resistance to sulfide stress corrosion
- Compared to austenitic steels, less thermal expansion and enhanced heat conductivity
- excellent weldability and workability.
- High absorption of energy.
- Dimensional precision
- excellent finish robust
Specification Of Duplex UNS S31803 Seamless Pipe
Duplex Seamless Pipes Specifications | ASTM A790 / ASME SA790 |
Dimensional specification | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
Duplex Seamless Pipe Size | 1 / 8" NB - 24" NB |
Duplex Welded Pipe Size | 1 / 8" NB - 24" NB |
Duplex EFW Pipe Size | 6" NB - 48" NB |
Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
Duplex Pipes Manufacturing Shapes | Hydraulic, Round, Rectangle, Square, Hex, Honed |
Delivery Condition | Annealed and Pickled, Polished, Coiled, Cold Drawn |
Heat Treatment | Normalized, Normalized & Tempered |
Manufacturing Techniques | Normalized & as Rolled |
Duplex Steel Pipe Schedule Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Duplex Pipes End Types | Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
Surface Finish | No.1, No.4, No.8 Mirror Finish, 2B |
Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
Inspection and Test Reports | EN 10204 3.1, Mill Test Certificates, Chemical Reports, PMI Test Reports, Mechanical Reports, Third Party Inspection, NABL Approved Lab, Visual Inspection, Destructive Test and Non Destructive Test Reports |
Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Duplex Steel Pipes, Finish as per customer Requirements |
Packing of Duplex Pipes | Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests |
Specials | Sizes and Specifications other than above can be on request |
Equivalent Grades Duplex UNS S31803 Seamless Pipe
STANDARD | WERKSTOFF NR. | UNS |
Duplex S31803 | 1.4462 | S31803 |
Chemical Composition Duplex UNS S31803 Seamless Pipe
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 |
Mechanical Properties Duplex UNS S31803 Seamless Pipe
Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
S31803 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
Dimensions Of Duplex UNS S31803 Seamless Pipe
cupro Nickel Seamless Pipe Dimensions Chart :
Nominal Pipe Size | Outside Diameter (mm) | Nominal Wall Thickness Schedule | |||||||||||||||||
NPS | DN | OD | SCH5s | SCHl0s | SCH 10 | SCH 20 | SCH 30 | SCH40s | SCH STD | SCH 40 | SCH 60 | SCH80s | SCH XS | SCH 80 | SCH 100 | SCH 120 | SCH 140 | SCH 160 | SCH XXS |
1/8 | 6 | 10.3 | 1.24 | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 | 2.41 | ||||||||||
1/4 | 8 | 13.7 | 1.65 | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 | 3.02 | ||||||||||
3/8 | 10 | 17.1 | 1.65 | 2.31 | 2,31 | 2.31 | 3.20 | 3.20 | 3.20 | ||||||||||
1/2 | 15 | 21.3 | 1.65 | 2.11 | 2.77 | 2.77 | 2.77 | 3.73 | 3.73 | 3.73 | 4.78 | 7.47 | |||||||
3/4 | 20 | 26.7 | 1.65 | 2.11 | 2.87 | 2.87 | 2.87 | 3.91 | 3.91 | 3.91 | 5.56 | 7.82 | |||||||
1 | 25 | 33.4 | 1.65 | 2.77 | 3.38 | 3.38 | 3.38 | 4.55 | 4.55 | 4.55 | 6.35 | 9.09 | |||||||
1 1/4 | 32 | 42.2 | 1.65 | 2.77 | 3.56 | 3.56 | 3,56 | 4.85 | 4.85 | 4.85 | 6.35 | 9.70 | |||||||
1 1/2 | 40 | 48.3 | 1.65 | 2.77 | 3.68 | 3.68 | 3.68 | 5.08 | 5.08 | 5.08 | 7.14 | 10.15 | |||||||
2 | 50 | 60.3 | 1.65 | 2.77 | 3.91 | 3.91 | 3.91 | 5.54 | 5.54 | 5.54 | 8.74 | 11.07 | |||||||
2 1/2 | 65 | 73 | 2.11 | 3.05 | 5.16 | 5.16 | 5.16 | 7.01 | 7.01 | 7.01 | 9.53 | 14.02 | |||||||
3 | 80 | 88.9 | 2.11 | 3.05 | 5.49 | 5.49 | 5.49 | 7.62 | 7.62 | 7.62 | 11.13 | 15.24 | |||||||
3 1/2 | 90 | 101.6 | 2.11 | 3.05 | 5.74 | 5.74 | 5.74 | 8.08 | 8.08 | 8.08 | |||||||||
4 | 100 | 114.3 | 2.11 | 3.05 | 6.02 | 6.02 | 6.02 | 8.56 | 8.56 | 8.56 | 11.13 | 13.49 | 17.12 | ||||||
5 | 125 | 141.3 | 2.77 | 3.40 | 6.55 | 6.55 | 6.55 | 9.53 | 9,53 | 9.53 | 12.70 | 15.88 | 19.05 | ||||||
6 | 150 | 168.3 | 2.77 | 3.40 | 7.11 | 7.11 | 7.11 | 10.97 | 10.97 | 10.97 | 14.27 | 18.26 | 21.95 | ||||||
8 | 200 | 219.1 | 2.77 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 8.18 | 10.31 | 12.70 | 12.70 | 12.70 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 | |
10 | 250 | 273.1 | 3.40 | 4.19 | 6.35 | 7.80 | 9.27 | 9.27 | 9.27 | 12.70 | 12.70 | 12.70 | 15.09 | 18.26 | 21.44 | 25.40 | 28.58 | 25.40 | |
12 | 300 | 323.9 | 3.96 | 4.57 | 6.35 | 8.38 | 9.53 | 9.53 | 10.31 | 14.27 | 12.70 | 12.70 | 17.48 | 21.44 | 25.40 | 28.58 | 33.32 | 25.40 | |
14 | 350 | 355.6 | 3.96 | 4.78 | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | 12.70 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 | |||
16 | 400 | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | 9.53 | 9.53 | 12.70 | i6.66 | 12.70 | 21.44 | 26.19 | 30.96 | 36.53 | 40.49 | |||
18 | 450 | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | 12.70 | 23.83 | 29.36 | 34.93 | 39,67 | 45.24 | |||
20 | 500 | 508 | 4.78 | 5.54 | 6.35 | 9.53 | 12.70 | 9.53 | 15.09 | 20.62 | 12.70 | 26.19 | 32.54 | 38.10 | 44.45 | 50.01 | |||
22 | 559 | 4.78 | 5.54 | 6.35 | 9.53 | 12.70 | 9.53 | 22.23 | 12.70 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 | |||||
24 | 600 | 610 | 5.54 | 6.35 | 6.35 | 9.53 | 14.27 | 9.53 | 17.48 | 24.61 | 12.70 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 | |||
26 | 660 | 7.92 | 12.70 | 9.53 | 12.70 | ||||||||||||||
28 | 700 | 711 | 7.92 | 12.70 | 15.88 | 9.53 | 12.70 | ||||||||||||
30 | 762 | 6.35 | 7.92 | 7.92 | 12.70 | 15.88 | 9.53 | 12.70 | |||||||||||
32 | 800 | 813 | 7.92 | 12.70 | 15.88 | 9.53 | 17.48 | 12.70 | |||||||||||
34 | 884 | 7.92 | 12.70 | 15.88 | 9.53 | 17.48 | 12.70 | ||||||||||||
36 | 900 | 914 | 7.92 | 12.70 | 15.88 | 9.53 | 19.05 | 12.70 | |||||||||||
38 | 965 | 9.53 | 12.70 | ||||||||||||||||
40 | 1000 | 1016 | 9.53 | 12.70 | |||||||||||||||
42 | 1067 | 12.70 | 15.88 | 9.53 | 19.05 | 12.70 | |||||||||||||
44 | 1100 | 1118 | 9.53 | 12.70 | |||||||||||||||
46 | 1168 | 9.53 | 12.70 | ||||||||||||||||
48 | 1200 | 1219 | 9.53 | 12.70 | |||||||||||||||
52 | 1321 | ||||||||||||||||||
56 | 1422 | ||||||||||||||||||
60 | 1524 |
Different Types Of Duplex UNS S31803 Seamless Pipe
Different Types Of seamless Pipe
- Duplex S31803 Seamless Pipe
- UNS S31803 Seamless Mirror Finish Pipe
- DIN 1.4462 Seamless tube
- ASTM A790 Duplex S31803 Boiler Pipe
- ASME SA790 Duplex S31803 Polished pipe
- Duplex S31803 Seamless Tube
- UNS S31803 Seamless Mirror Finish Tubes
- DIN 1.4462 Seamless Pipes
- A790 ASTM Duplex S31803 Boiler Tubes
- SA790 ASME Duplex S31803 Polished Tubes
Application of Duplex UNS S31803 Seamless Pipe
Testing of Duplex UNS S31803 Seamless Pipe
Packing of Duplex UNS S31803 Seamless Pipe
Destination Of Duplex UNS S31803 Seamless Pipe
- City We Deliver
- Country We Export
- People Also Search