Stainless Steel 316Ti Annealed
Temper
GB 316Ti · UNS S31635 · ASTM A240 TP316Ti · EN 1.4571, X6CrNiMoTi17-12-2 · JIS SUS316Ti
Generic softened stock designation used by distributors; mechanically equivalent to the solution-annealed condition.
Values for the Annealed condition
Other 316Ti tempers and conditions
316Ti is listed in 6 conditions; see the grade overview at 316Ti.
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 |
AnnealedThis page 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 Annealed?
316Ti Annealed is 316Ti in the Annealed temper — generic softened stock designation used by distributors; mechanically equivalent to the solution-annealed condition. 316Ti Annealed has a yield strength of 255 MPa (37 ksi) and a tensile strength of 575 MPa (83.4 ksi) — weaker than 87% of stainless steel grades. Elongation at break is 45% and the elastic modulus is 200 GPa (29 Msi). 316Ti Annealed 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). Solution Annealed is the default condition FabDigit quotes; Annealed is available on request or by drawing note.
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 — 255 MPa (37 ksi), worse than 87% of stainless steel grades
316Ti Annealed properties
Typical room-temperature values for 316Ti Annealed; 23 are specific to this condition. Other listed values are 316Ti reference data and may not represent this condition. Bars are the position among stainless steel grades.
Physical3
316Ti Annealed 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 Annealed has a yield strength of 255 MPa (37 ksi) and a tensile strength of 575 MPa (83.4 ksi) — weaker than 87% of stainless steel grades. Elongation at break is 45% and the elastic modulus is 200 GPa (29 Msi).
Thermal6
316Ti Annealed 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 Annealed 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 Annealed 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 Annealed's machinability is fair (38/100, better than 63% of stainless steel grades); weldability excellent (85/100); formability very good (72/100).
Values are nominal handbook figures for design screening. Confirm any required mill or lot documentation when quoting.
Working with 316Ti Annealed
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.
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.
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 |
316Ti Annealed — frequently asked
What is 316Ti Annealed used for?
316Ti Annealed 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 Annealed?
316Ti Annealed has a typical yield strength of 255 MPa (37 ksi) and a tensile strength of 575 MPa (83.4 ksi) — weaker than 87% of stainless steel grades. Strength varies by condition: see the 6 listed tempers.
Is 316Ti Annealed 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 Annealed 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 Annealed?
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 Annealed 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 Annealed?
316Ti Annealed 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.
Can FabDigit make parts in 316Ti Annealed?
Yes — 316Ti Annealed 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. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.