ASME SA 790 UNS S31803 Pipes has good corrosion resistance at high temperatures above 300℃ and low temperatures below 200℃. At the same time, it can maintain its mechanical strength and toughness at high temperatures.
The density of ASTM A790 UNS S31803 stainless steel pipe is about 8.0g/cm³, tensile strength σb≥620Mpa, yield strength σ0.2≥450Mpa, and elongation δ≥25%.
ASTM A790 GR UNS S31803 Duplex Pipes has good machinability and can be processed by a variety of processes such as cold working, hot working and welding. This makes it more flexible and convenient in the manufacturing process and can meet various complex needs.
Products Data
ASTM A790 Grade S31803 Pipes Chemical Composition
| C | N | P | Si | Mn | Mo | Fe | Cr | S | Ni |
|---|---|---|---|---|---|---|---|---|---|
| 1.0 | 0.03 | 0.02 | 2.0 | 3.0 - 3.5 | 22.0 - 23.0 | 0.03 | 4.5 - 6.5 | 0.14 - 0.2 | Bal |
Equivalent Material Grade Of Duplex UNS S31803 Pipe
| STANDARD | UNS | WERKSTOFF NR. |
|---|---|---|
| Duplex S31803 | S31803 | 1.4462 |
Physical Properties of ASTM A790 Grade UNS S31803 Welded Pipe
| Grade S31803 | Density (kg/m3) |
Elastic Modulus(GPa) |
Mean Co-eff of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C( J/kg.K) |
Electrical Resistivity (nΩ.m) |
|||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| UNS S31803 | 782 | 190 | 13.7 | 14.2 | – | 19 | – | 418 | 850 |
Products display
Super Duplex S31803 Seamless Pipe
Why Choose GNEE
GNEE is a professional Chinese stainless steel pipe manufacturer and stainless steel pipe supplier, specializing in industrial stainless steel welded pipes and special alloy pipes, with an annual production capacity of up to 7000 tons.
The produced pipes comply with GB, ASTM/ASME, JIS, DIN, EN, GOST and ISO standards.
If any question,please contact with us freely by E-mail or Telephone.sales@gneetube.com
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FAQ
Q: What services do you provide?
A: Customized service for each customer, please feel free to contact us!
Q. Do you have a quality control system?
A.Yes, we have our own quality control laboratory.
Q.Do you provide samples? Is it free or chargeable?
A.Yes, we can provide free samples, but the shipping cost will be borne by you.
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