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316Ti stainless steel, also known as UNS S31635 and W.Nr. 1.4571, is a titanium-stabilized austenitic stainless steel offering excellent corrosion resistance and improved high-temperature strength. The addition of titanium helps prevent intergranular corrosion after welding and prolongs material life in high-heat environments.
316Ti is commonly used in heat exchangers, chemical processing equipment, pressure vessels, and marine applications. Its resistance to acids, chlorides, and high-temperature oxidation makes it suitable for aggressive and corrosive service conditions, especially where welding is involved.
| Element | Min | Max |
| C | – | 0.08 |
| Si | – | 0.75 |
| Mn | – | 2 |
| P | – | 0.45 |
| S | – | 0.03 |
| Cr | 16 | 18 |
| Mo | 2 | 3 |
| N | – | 0.1 |
| Fe | Balance | |
| Ni | 10 | 14 |
| Ti | 5 x (C+N) | 0.7 |
| Specific Heat (0-100°C) | 500 | J.kg-1.°K-1 |
| Thermal Conductivity | 14.6 | W.m -1.°K-1 |
| Thermal Expansion | 16.5 | μm/μm/°C |
| Modulus Elasticity | 193 | GPa |
| Electrical Resistivity | 7.4 | Ohm-cm |
| Density | 7.99 | g/cm3 |
| Temper | Annealed | |
| Tensile Rm | 75 | ksi (min) |
| Tensile Rm | 515 | MPa (min) |
| R.p. 0.2% Yield | 30 | ksi (min) |
| R.p. 0.2% Yield | 205 | MPa (min) |
| Elongation (2” or 4D gl) | 35 | % (min) |
| ASTM A213 |
| BS EN 10216 part 5 |
| Also individual customer specifications. |
Standard product forms of 316Ti/S31635/1.4571 are pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon and wire. The products are available in a wide variety of sizes. Please contact us at [email protected] for full information.
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