S31803 Stainless Steel Features
- Good Abrasion resistance
- High Strength
- Excellent Toughness
- Cost Effective
- Corrosion Resistance
- Good fatigue resistance
- Low maintenance
Professional S31803 Stainless Steel Manufacturer
S31803 is a kind of duplex stainless steel. It is typically utilized in different industrial uses. It has good machinability, meaning it can be easily shaped and machined into complex shapes & designs.
S31803 is also resistant to both high and low temperatures. Thus, it is perfect for utilization in a broad range of harsh applications.
At TuoLian, we only use high-quality raw materials to manufacture our steel products. We perform strict quality control in every stage of production to ensure 100% quality S31803 stainless steel.
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Wide Application
- Chemical processing
- Desalination plants
- Food processing
- Medical industry
- Marine industry
- Oil and gas industry
Chemical Composition
| Element | Percentage (%) |
| (Cr) | 21.0 – 23.0 |
| (Ni) | 4.5 – 6.5 |
| (Mo) | 2.5 – 3.5 |
| (Mn) | 2.0 max |
| (Si) | 1.0 max |
| (C) | 0.03 max |
| (N) | 0.08 – 0.20 |
| (P) | 0.03 max |
| (S) | 0.02 max |
Mechanical Properties
| Mechanical Property | Value |
| Tensile Strength | 620 MPa (90 ksi) |
| Yield Strength | 450 MPa (65 ksi) |
| Elongation | 25% |
| Hardness (Brinell) | Max 290 HB |
Physical Properties
| Property | Value |
| Density | 7.805 g/cm3 (0.281 lb/in3) |
| Melting Range | 1350-1450°C (2462-2642°F) |
| Thermal Conductivity | 16.3 W/mK (9.5 BTU/hr-ft-°F) at 100°C (212°F) |
| Electrical Resistivity | 0.8 μohm-cm (0.0000315 ohm-in) at 20°C (68°F) |
| Magnetic Permeability | 1.02 |
| Modulus of Elasticity | 200 GPa (29.0 x 106 psi) |
| Poisson’s Ratio | 0.3 |
| Specific Heat Capacity | 460 J/kg-°C (0.11 BTU/lb-°F) at 20°C (68°F) |
| Coefficient of Thermal Expansion | 13.7 μm/m°C (7.6 μin/in-°F) from 0-100°C (32-212°F) |
Related Products
S31803 Stainless Steel Alloy Designation
UNS S31803
ASTM A182/A240
EN 1.4462
Duplex 2205
F51
Supplied Forms
- Sheets and Plates
- Bars and Rods
- Pipes and Tubes
- Fittings and Flanges
- Welding Consumables, etc.
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