Stainless Steel 316Ti
GB 316Ti · UNS S31635 · ASTM A240 TP316Ti · EN 1.4571, X6CrNiMoTi17-12-2 · JIS SUS316Ti
316Ti is the titanium-stabilized version of 316 (X6CrNiMoTi17-12-2, 1.4571, UNS S31635, SUS316Ti, A240 TP316Ti), in which titanium ties up carbon to prevent sensitization after welding or high-temperature exposure.
Values for the Solution Annealed condition
316Ti tempers and conditions
316Ti is supplied in 6 conditions, soft to hard. Solution Annealed is the default FabDigit quotes; the values on this page are for it.
Compare all 6 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Hot Rolled (+AT plate, hot-rolled bar as-rolled/annealed) | Heavy plate and large-section bar as hot rolled then annealed and pickled; lowest-cost form for weldments and vessels. | 250 | 570 | 42 | 165 HB | 2.3 % IACS |
mill-annealed / softened condition (general stock designation) | Generic softened stock designation used by distributors; mechanically equivalent to the solution-annealed condition. | 255 | 575 | 45 | 155 HB | 2.3 % IACS |
Solution AnnealedDefault 1020–1120 °C, rapid cooled (EN 1.4571 +AT / ASTM A240 annealed) | Standard stocked condition for plate, sheet, tube and bar — maximum corrosion resistance and ductility, non-magnetic. | 260 | 580 | 45 | 160 HB | — |
Quarter hard | Light cold reduction for springy sheet parts and gaskets where some forming is still required. | 515 | 760 | 20 | 18 HRC | 2.3 % IACS |
cold-drawn/peeled bar and wire (EN +C700 class) | Pick for bar and shafting needing higher yield, tighter tolerance and better chip control than annealed bar. | 520 | 760 | 22 | 20 HRC | 2.3 % IACS |
Half hard | Higher-strength strip for clamps, springs and flat stampings with only mild bending. | 690 | 930 | 12 | 25 HRC | 2.3 % IACS |
What is 316Ti?
316Ti is the titanium-stabilized version of 316 (X6CrNiMoTi17-12-2, 1.4571, UNS S31635, SUS316Ti, A240 TP316Ti), in which titanium ties up carbon to prevent sensitization after welding or high-temperature exposure. It is used to about 800 °C in chemical and process equipment and is available annealed, solution annealed, hot rolled, cold drawn and 1/4 or 1/2 hard, at roughly 260 MPa yield, 580 MPa tensile, 45 % elongation and 160 HB (82 HRB). Corrosion resistance (score 72) matches 316 in most media, but machinability is low (38) because of abrasive TiC particles, and those inclusions limit mirror polishing — use 316L for decorative bright finishes. 316Ti has a density of 8 g/cm³ (0.289 lb/in³), heavier than 92% of stainless steel grades. It melts at 1,375°C (2,507 °F). 316Ti has a yield strength of 260 MPa (37.7 ksi) and a tensile strength of 580 MPa (84.1 ksi) — weaker than 84% of stainless steel grades. Elongation at break is 45% and the elastic modulus is 200 GPa (29 Msi).
What is 316Ti used for?
- Chemical pipework
- Reactor vessels
- Heat exchanger shells and tubes
- Expansion joints and bellows
- Flue-gas and exhaust ducting
- Pressure vessel flanges and fittings
- Pulp and paper digester components
Advantages
- Readily welded — 85/100, better than 87% of stainless steel grades
- Forms and bends easily — 72/100, better than 84% of stainless steel grades
- Ductile — tolerates forming and impact — 45%, better than 76% of stainless steel grades
Limitations
- Hard to polish — 55/100, worse than 89% of stainless steel grades
- Low strength — 260 MPa (37.7 ksi), worse than 84% of stainless steel grades
316Ti properties
Typical room-temperature values for 316Ti-Solution Annealed; bars are the position among stainless steel grades.
Physical3
316Ti has a density of 8 g/cm³ (0.289 lb/in³), heavier than 92% of stainless steel grades. It melts at 1,375°C (2,507 °F).
Mechanical16
316Ti has a yield strength of 260 MPa (37.7 ksi) and a tensile strength of 580 MPa (84.1 ksi) — weaker than 84% of stainless steel grades. Elongation at break is 45% and the elastic modulus is 200 GPa (29 Msi).
Thermal6
316Ti is rated for continuous service to 800°C (1,472 °F). It conducts heat at 15 W/m·K (8.67 BTU/hr·ft·°F), worse than 59% of stainless steel grades. Thermal expansion is 16.5 µm/m·K (9.17 µin/in·°F).
Electrical3
316Ti conducts electricity at 2.3 % IACS, better than 55% of stainless steel grades.
Chemical & Environmental3
Corrosion resistance is very good (72/100), better than 73% of stainless steel grades.
Sustainability4
Producing a kilogram of 316Ti takes about 58 MJ of energy and emits 5.2 kg of CO₂ — more than 66% of stainless steel grades. Typical recycled content is 65%.
Manufacturability7
316Ti's machinability is fair (38/100, better than 63% of stainless steel grades); weldability excellent (85/100); formability very good (72/100).
Common Calculations5
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Strength versus weight in the stainless steel family
Yield strength against density for every stainless steel grade FabDigit runs. 316Ti is highlighted; hover a dot for its name, or open the interactive family chart.
Working with 316Ti
Is 316Ti easy to machine?
Gummy and work-hardening with abrasive TiC particles — use rigid setups, positive-rake coated carbide, 25–60 m/min, heavy constant feed and flood coolant; avoid dwelling.
Can 316Ti be welded?
Excellent by GTAW/GMAW/SMAW without pre- or post-weld heat treatment; use 318 (ER318 / 1.4576, Nb-stabilized) or 316L filler, low heat input, back-purge tube welds.
Can 316Ti be formed, bent or molded?
Cold forms and deep draws well but with higher springback and force than carbon steel; anneal 1020–1120 °C + rapid cool after severe forming, hot work 1150–900 °C.
Manufacturability
The process limits FabDigit applies to 316Ti. Every 316Ti part is priced by an engineer; design inside these and the quote comes back without a redesign loop.
CNC machining
| Machinability | Fair38 / 100 |
|---|---|
| ISO material group | M.1 |
| Cutting speed (rough / finish) | 150 / 180 m/min |
| Minimum wall | 0.8 mm |
| Minimum internal radius | 1.5 mm |
| Drill depth limit | 4× diameter |
| Best surface (machined / polished) | Ra 1.6 / — |
| Hardenable after machining | No |
Sheet metal
| Formability | Excellent72 / 100 |
|---|---|
| Weldability | Excellent85 / 100 |
| Bendable | Yes |
316Ti chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| CEN 1.4571 max 0.08 | ≤ 0.08 | 0.05 |
| SiASTM S31635 max 0.75 | ≤ 1 | 0.5 |
| Mn | ≤ 2 | 1.3 |
| P | ≤ 0.05 | 0.03 |
| SEN max 0.015 | ≤ 0.03 | 0.01 |
| CrASTM 16.0–18.0; EN 16.5–18.5 | 16 – 18.5 | 17 |
| Ni | 10.5 – 14 | 12 |
| MoASTM 2.0–3.0 | 2 – 2.5 | 2.2 |
| Ti≥5×(C+N); EN 1.4571 max 0.70 | 0.3 – 0.7 | 0.45 |
| N | ≤ 0.1 | 0.03 |
| Fe | balance |
What surface finishes work on 316Ti?
Pickle and passivate (ASTM A967) or electropolish after welding; mirror polishing is limited by titanium inclusion streaks, so choose 316L for decorative bright finishes.
Surface treatments FabDigit runs on stainless steel parts — pick them in the quote configurator or call them out on the drawing. Each links to its datasheet in the surface-finish library (thickness, specs, call-out, material verdicts).
Plating
Organic Coating
CVD Coating
Black / Phosphate
Thermal Spray
Equivalent designations
Standards and trade names that resolve to Stainless Steel 316Ti in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- UNS
- S31635
- ASTM
- A240 TP316Ti
- EN / DIN / Werkstoff-Nr.
- 1.4571X6CrNiMoTi17-12-2
- GB (China)
- 06Cr17Ni12Mo2Ti
- JIS
- SUS316Ti
How much does 316Ti cost?
316Ti is a premium-cost stainless steel ($$$), cheaper than about 58% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
316Ti — frequently asked
What is 316Ti used for?
316Ti is typically used for chemical pipework, reactor vessels, heat exchanger shells and tubes, expansion joints and bellows, flue-gas and exhaust ducting and pressure vessel flanges and fittings. In short: titanium-stabilized 316 stainless.
What is the yield strength of 316Ti?
316Ti has a typical yield strength of 260 MPa (37.7 ksi) and a tensile strength of 580 MPa (84.1 ksi) — weaker than 84% of stainless steel grades. Strength varies by condition: see the 6 listed tempers.
Is 316Ti easy to machine?
Not especially — machinability is rated fair (38/100, better than 63% of stainless steel grades). Gummy and work-hardening with abrasive TiC particles — use rigid setups, positive-rake coated carbide, 25–60 m/min, heavy constant feed and flood coolant; avoid dwelling.
Can 316Ti be welded?
Yes — weldability is rated excellent (85/100). Excellent by GTAW/GMAW/SMAW without pre- or post-weld heat treatment; use 318 (ER318 / 1.4576, Nb-stabilized) or 316L filler, low heat input, back-purge tube welds.
What surface finishes work on 316Ti?
Pickle and passivate (ASTM A967) or electropolish after welding; mirror polishing is limited by titanium inclusion streaks, so choose 316L for decorative bright finishes.
Can 316Ti be formed, bent or molded?
Cold forms and deep draws well but with higher springback and force than carbon steel; anneal 1020–1120 °C + rapid cool after severe forming, hot work 1150–900 °C.
What is the maximum service temperature of 316Ti?
316Ti is rated for continuous use to about 800°C (1,472 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
How much does 316Ti cost?
316Ti is a premium-cost stainless steel ($$$), cheaper than about 58% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
Can FabDigit make parts in 316Ti?
Yes — 316Ti is available for CNC machining and sheet metal; every part is priced by an engineer rather than instantly. Upload a STEP file to get a price and a DFM check.
Sources
- EN 10088-1/-2/-3 Stainless steels (X6CrNiMoTi17-12-2, 1.4571) — CEN (2014)
- ASTM A240/A276/A312 (UNS S31635) — ASTM International (2022)
- GB/T 1220 / GB/T 24511 (0Cr18Ni12Mo2Ti ) — SAC (2017)
- ASM Handbook Vol.1 — Properties and Selection: Irons, Steels, and High-Performance Alloys — ASM International (1990)
- Stainless steel 1.4571 / 316Ti datasheet — Outokumpu / Sandvik (2023)
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.