Alloy Wire International
Datasheet: Stainless Steel 316Ti
Stainless Steel 316Ti
316 Ti is similar to 316L but has better high temperature strength and mechanical strength.
Stainless Steel 316Ti is also known as AISI 316Ti, Supra316Ti, Nirosta 4571, Polarit 761, and Remanit 4571.
Available in all profile options
Key Features
Better corrosion resistance at higher temperatures than 316 stainless.
Typical Applications
Chemical processing
Springs
Fasteners
Thread inserts
Wire mesh
Designations
W.NR 1.4571
UNS S31635
AWS 168
Specifications
ASTM A240
ISO 15156-3 (NACE MR0175)
BS EN 10088-3
Chemical Composition
| Element | Min % | Max % |
|---|---|---|
| C | – | 0.08 |
| Si | – | 1.00 |
| Mn | – | 2.00 |
| P | – | 0.045 |
| S | – | 0.03 |
| Cr | 16.50 | 18.50 |
| Mo | 2.00 | 2.50 |
| Ni | 10.50 | 13.50 |
| Ti | 5 x C | 0.70 |
| Fe | bal |
Alloy Details
| Density | Melting Point | Coefficient of Expansion | Modulus of Rigidity | Modulus of Elasticity |
|---|---|---|---|---|
| 7.9 g/cm³ | 1375 °C | 16.5 μm/m °C (21 – 100 °C) | 74 kN/mm² | 193 kN/mm² |
| 0.285 lb/in³ | 2500 °F | 9.110 x 10-6 in/in °F (70 – 212 °F) | 10730 ksi | 27990 ksi |
Heat treatment of finished parts
| Condition as supplied by AWI | Type | Temperature | Time | Cooling |
|---|---|---|---|---|
| Annealed or Spring Temper | Stress Relieve | 250 °C (480 °F) | 1 Hr | Air |
Properties
| Annealed | ||
|---|---|---|
| Approx. tensile strength | <800 N/mm² | <116 ksi |
| Approx. operating temperature | -200 to +300 °C | -330 to +570 °F |
| Spring Temper | ||
|---|---|---|
| Approx. tensile strength | 1200 – 1600 N/mm² | 174 – 232 ksi |
| Approx. operating temperature | -200 to +300 °C | -330 to +570 °F |
The above tensile strength ranges are typical. If you require different please ask.
