Grade 316 is an austenitic grade second only to 304 in commercial importance.316 stainless steel contains an addition of molybdenum that gives it improved corrosion resistance. This is particularly apparent for pitting and crevice corrosion in chloride environments.316L, the low carbon version of 316 stainless steel, is immune to grain boundary carbide precipitation (sensitisation). This makes it suited to use in heavy gauge (over about 6mm) welded components.Stainless steel grade 316Ti contains a small amount of titanium. Titanium content is typically only around 0.5%. The titanium atoms stabilise the structure of the 316 at temperatures over 800°C. This prevents carbide precipitation at the grain boundaries and protects the metal from corrosion. The main advantage of 316Ti is that it can be held at higher temperatures for a longer period without sensitisation (precipitation) occurring.
Steel is used in shipbuilding, chemical, dyeing, brewing, off-shore, pharmaceutical, textile, petrochemical, plastics and paper industries, in the production of chemical tanks, heat exchangers, fittings and installations for the production of chemical reagents, components – bolts, nuts working in contact with salts, parts and components of ships and ships, medical implants, surgical implants, springs, in construction for elements of balustrades, frames, ornaments, welded fittings, installations, parts of machines producing rubber.
Chemical Composition
Spec: EN10088-3:2005
1.4571 Steel
| Chemical Element | % Present |
|---|---|
| Carbon (C) | 0.0 – 0.08 |
| Chromium (Cr) | 16.50 – 18.50 |
| Molybdenum (Mo) | 2.00 – 2.50 |
| Silicon (Si) | 0.0 – 1.00 |
| Phosphorous (P) | 0.0 – 0.05 |
| Sulphur (S) | 0.0 – 0.03 |
| Nickel (Ni) | 10.50 – 13.50 |
| Titanium (Ti) | 0.40 – 0.70 |
| Manganese (Mn) | 0.0 – 2.00 |
| Iron (Fe) | Balance |
Properties
| Physical Property | Value |
|---|---|
| Density | 8.0 g/cm³ |
| Melting Point | 1400 °C |
| Thermal Expansion | 15.9 x10^-6 /K |
| Modulus of Elasticity | 193 GPa |
| Thermal Conductivity | 16.3 W/m.K |
| Electrical Resistivity | 0.74 x10^-6 Ω .m |
Spec: EN10088-3:2005
Bar – Up to 160mm Dia.
| Mechanical Property | Value |
|---|---|
| Proof Stress | 200 Min MPa |
| Tensile Strength | 500 to 700 MPa |
| Elongation A50 mm | 40 Min % |
| Hardness Brinell | 215 Max HB |
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