| Standard: | ASTM A815 | Grade: | S31803 |
|---|---|---|---|
| Technics: | Butt Weld | Size: | 1/8′ To 48′ |
ASTM A815 S31803-W Y TEE Butt Welded Fitting B16.9 Oil refining fertilizer Gas
What is ASTM A815 S31803 ?
Duplex stainless steels are extremely corrosion-resistant， work-hardenable alloys. Their microstructure consists of a mixture of austenitic and ferritic phases. As a result， duplex stainless steels display the properties of both austenitic and ferritic stainless steels.
Chemical Composition Of ASTM A815 S31803
| S31803 / S32205 | 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 |
Mechanical Properties of ASTM A815 S31803
| S31803/ S32205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 ， MPa – 550 | Psi – 116000 ， MPa – 800 | 15 % |
Equivalent of ASTM A815 S31803
| STANDARD | UNS | WERKSTOFF NR. |
| Duplex Steel S31803 | S31803 | 1.4462 |
| Duplex S32205 | S32205 | 1.4462 |
Applications
Petrochemicals
Gas Processing
Specialty Chemicals
Pharmaceuticals
Pharmaceutical Equipment
Chemical Equipment
Sea Water Equipment
Heat Exchangers
Condensers
Pulp and Paper Industry
