A789 S31803 Duplex Seamless Pipe
GNEE manufactures and supplies A789 S31803 Duplex Stainless Steel Pipe, you can search for any size and grade of steel seamless pipe to compare prices.
The unique chemical composition of A789 S31803 seamless pipe makes it more resistant to stress corrosion in neutral chloride solutions and H2S than 300 series stainless steel pipe. A789 S31803 seamless steel pipe is suitable for the temperature range of -50°F/+600°F. But as a seamless pipe, it can also be considered for applications outside this temperature range.
A789 Duplex Steel 2205 Seamless Pipe inherits the characteristics of austenite and ferrite. It is suitable for use in industries such as food processing, oil field pipelines and heat exchangers, and flue gas desulfurization.
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SA789 UNS S31803 pipe Chemical Composition
| UNS Designation |
Composition, % | ||||||||||
| C Max |
Mn max |
P max |
S max |
Si max |
Ni | Cr | Mo | N | Cu | Others | |
| S31803 | 0.03 | 2 | 0.03 | 0.02 | 1 | 4.5-6.5 | 21.0-23.0 | 2.5-3.5 | 0.08-0.20 | . . . | . . . |
SA789 material pipe Heat Treatment Requirements
| UNS Designation |
Temperature | Quench |
| S31803 | 1870-2010 °F [1020-1100°C] | Rapid cooling in air or water |
A789 S31803 stainless steel precision tube
Advantages of GNEE
GNEE pipes and tubes have a wide range of applications in many market sectors, including the oil and gas, petrochemical and construction industries. And we can offer different properties for different purposes (e.g. corrosion protection).
Gnee Company products
FAQ
1. Can I get a sample before ordering?
Yes of course. Usually our samples are free. We can produce according to your samples or technical drawings. We can manufacture molds and fixtures.
2. How can you guarantee that what I get will be good?
We are a factory with 100% pre-delivery inspection to ensure quality.
3. How do you make our business establish a long-term and good relationship?
1. We maintain good quality and competitive prices to ensure our customers benefit;
2. We respect every customer as our friend and we sincerely do business and make friends with them.
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