A790 S31803 Seamless Pipe
These ASTM A790 UNS S31803 Duplex Stainless Steel Pipes are designed as per international and national standards and are available in customized length sizes and shapes for our esteemed clients. GNEE also offers the same at the best prices in the market.
ASTM A790 UNS S31803 Duplex Steel Seamless Pipes are SCC resistant, hence the piping system becomes durable and lasts longer compared to conventional steels. Apart from having excellent SCC resistance, A790 S31803 Pipes also have a yield strength that is almost twice that of conventional austenitic stainless steel alloys.
SA 790 UNS S31803 Pipes are also highly corrosion resistant in seawater and other chloride ion rich environments. Hence, they can be used in industries like seawater and marine environments, chemical industries, food processing plants, etc.
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Chemical Composition of ASTM A928 UNS S31803 Welded Tubing
| Element | Composition, % |
|---|---|
| Carbon | 0.03 max |
| Manganese | 2.00 max |
| Phosphorus | 0.03 max |
| Sulfur | 0.02 max |
| Silicon | 1.00 max |
| Nickel | 4.50 - 6.50 |
| Chromium | 21.00 - 21.30 |
| Molybdenum | 2.50 - 3.50 |
| Nitrogen | 0.08 - 0.20 |
Duplex 31803 Seamless Pipes Mechanical Behaviour
| Property | Value | |
|---|---|---|
| Tensile Strength, min, ksi, [MPa] | 90 [ 620] | |
| Yield Strength, min, ksi [MPa] | 65 [450] | |
| Elongation in 2 in. or 50mm, min, % | 25 | |
A790 S31803 High temperature stainless steel seamless pipe
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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.
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FAQ
1.Q.Why choose you?
A.Firstly quality, secondly price, we can give you both. Our service formula: good quality + good price + good service = customer's trust.
2.Q.Can your products be customized?
A.Yes, we can produce and process according to your requirements.
3.Q.Do you have quality control?
A.Yes, we have got BV.SGS certification.
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