ASTM A790 UNS S31803 Duplex Stainless Steel Pipe
The ASTM A790 UNS S31803 stainless steel pipes supplied by GNEE have undergone multiple inspections to ensure quality, with outer diameters ranging from 6.0-630mm and wall thicknesses ranging from 0.3mm – 50 mm or even thicker.
Stainless steel alloy grades such as UNS S31803 are proving particularly useful in applications susceptible to stress-related corrosion cracking. Due to its resistance to SCC, ASTM A790 UNS S31803 alloy piping systems become durable and last longer compared to traditional steel. ASME SA 790 UNS S31803 stainless steel pipe also offers improved mechanical properties, such as twice the yield strength of conventional austenitic stainless steel alloys
These ASTM A790 UNS S31803 duplex stainless steel seamless pipes have increased strength and can handle pressure conditions well for use in brewing tanks, hot water tanks, processing plants and desalination plants, pressure marine and structural applications.
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ASTM A790 UNS S31803 pipe Product information
ASTM A790 Duplex Steel UNS S31803 Seamless Pipes Specification
| Pipe Range | 1 / 2" NB - 8" NB |
| Outer Diameter | 6.0-630mm |
| Wall Thickness | 0.3mm – 50 mm |
| Schedules | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Length | Single Random, Double Random & Required Length |
| Specifications | ASTM A790 / ASME SA790 |
| Types | Seamless / Fabricated |
ASME SA790 UNS S31803 Pipe And Tube Mechanical Characteristics
| Melting Point | Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| (2460 °F) 1350 °C | 7.8 g/cm3 | MPa - 800, Psi - 116000 | MPa - 550, Psi - 80000 | 15 % |
ASTM A790 UNS S31803 Welded Pipe Equivalent Standard
|
PIPE STANDARD |
UNS |
WERKSTOFF NR. |
|
UNS S31803 Pipe |
S31803 |
1.4462 |
ASTM A790 S31803 Pipe And Tube Composition Analysis
| P | N | Si | C | Mo | Ni | Mn | Cr | Fe | S |
| 0.002 | 0.003 | 2.00 | 1.00 | 22.00 to 23.00 | Bal | 3.00 to 3.05 | 4.05 to 6.05 | 0.003 | 0.014 to 0.02 |
ASME SA790 S31803 Duplex Steel Seamless Pipe
Advantages of Choosing GNEE
gnee has 14 steel production lines, 10 processing equipment for processing, bending, painting, heat treatment, cutting, drilling, beveling, tempering, surface treatment, complete testing equipment and strong technical force. The annual production capacity is more than 60,000 tons.
Gnee Company Team
FAQ
1.Q.What are your advantages?
A. Honest operation, competitive prices and professional export process services.
2.Q. Can your products be customized?
A. Yes, we can produce and process duplex stainless steel pipes according to your requirements.
3. Ask. Do you have a quality control system?
A. Yes, we have our own quality control laboratory.
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