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Published: November 8, 2025 | Updated: November 8, 2025By Gangsteel Engineering Team – 25+ Years in Stainless Steel Export Excellence
In the specialized realm of stainless steels compliant with ASTM A240/A240M and ASME SA240/SA240M standards, 316Ti emerges as a titanium-stabilized austenitic grade renowned for its robust tensile strength and excellent elongation, making it ideal for applications under thermal and mechanical stress.
As a premier producer and exporter based in China, Gangsteel has supplied thousands of tons of 316Ti stainless steel, meeting ASTM A240/A240M specs for plates and sheets, to industries like petrochemical, pharmaceutical, and marine.
If you're analyzing data for a welded structure or high-temp component under ASME SA240/SA240M where tensile strength and elongation are critical, this article provides detailed insights into 316Ti's performance. We'll explore its tensile and elongation properties, influenced by its unique composition, based on ASTM A240/A240M and ASME SA240/SA240M standards and our mill tests.
From our production lines, we've observed 316Ti's impressive data: In a 2024 German aerospace project, our 316Ti bars under ASTM A240 /A240M achieved tensile strength of 650 MPa with 50% elongation, surpassing requirements for thermal-cycled parts, as per client strain tests. Compliant with ASME SA240/SA240M for pressure apps, 316Ti's density of 8.00 g/cm³ supports lightweight designs. Let's delve into the data, from composition to high-temp behavior, to equip you for informed decisions.
316Ti stainless steel, compliant with ASTM A240/A240M and ASME SA240/SA240M, offers minimum tensile strength of 515 MPa and elongation of 40%, with typical values reaching 550-700 MPa tensile and 45-55% elongation in annealed condition. Titanium stabilization ensures these properties remain stable at high temperatures (up to 815°C), preventing loss from sensitization. Compared to 316L, 316Ti has similar tensile but better elongation retention in heat. Density 8.00 g/cm³ and PREN 23-28 enhance its use in corrosive stress. Ideal for boilers and reactors; Gangsteel stocks 1-200mm with certs for custom apps.
The chemical composition of 316Ti, as defined in ASTM A240/A240M and ASME SA240/SA240M, is optimized for high tensile strength and elongation, with titanium ensuring stability against carbide formation that could reduce ductility at high temps.
|
Element |
% Range or Max |
Role in Tensile & Elongation |
|---|---|---|
|
Carbon (C) |
0.08 max |
Low C maintains elongation; Ti binds to prevent strength loss from carbides. |
|
Manganese (Mn) |
2.00 max |
Enhances tensile without reducing elongation. |
|
Silicon (Si) |
0.75 max |
Improves strength at high temps while preserving ductility. |
|
Phosphorus (P) |
0.045 max |
Limited to avoid embrittlement, supporting high elongation. |
|
Sulfur (S) |
0.030 max |
Controlled for clean microstructure, aiding uniform strength. |
|
Chromium (Cr) |
16.00-18.00 |
Boosts overall tensile strength through solid solution. |
|
Molybdenum (Mo) |
2.00-3.00 |
Increases high-temp tensile without compromising elongation. |
|
Nickel (Ni) |
10.00-14.00 |
Stabilizes austenite for excellent elongation (>40%). |
|
Titanium (Ti) |
5x(C+N) min, 0.70 max |
Key for maintaining tensile/elongation at 425-815°C by preventing IGC. |
|
Nitrogen (N) |
0.10 max |
Adds to tensile strength as interstitial. |
|
Iron (Fe) |
Balance |
Base for balanced mechanical data. |
This composition under ASTM A240/A240M ensures 316Ti's tensile and elongation data remain consistent, with Ti providing an edge over non-stabilized grades.
Gangsteel's 316Ti meets ASME SA240/SA240M for reliable data in pressure apps.
316Ti's mechanical properties, per ASTM A240/A240M and ASME SA240/SA240M, highlight its tensile strength and elongation, making it suitable for stress-prone environments.
|
Property |
Minimum Value |
Typical Range |
Notes on Data |
|---|---|---|---|
|
Tensile Strength (MPa) |
515 |
550-700 |
High for austenitic; retains >70% at 815°C due to Ti. |
|
Yield Strength (0.2% Offset, MPa) |
205 |
220-300 |
Supports tensile without early yield. |
|
Elongation (%) |
40 |
45-55 |
Excellent for ductility in forming; stable in heat. |
|
Reduction of Area (%) |
Not specified |
50-60 |
Indicates good tensile necking. |
|
Hardness (HRB max) |
95 |
80-90 |
Low to aid elongation during stress. |
|
Brinell Hardness (HB max) |
217 |
160-190 |
Converted; supports non-brittle tensile behavior. |
Tensile data shows 316Ti's strength from solid solution (Cr/Mo/Ni), with elongation enhanced by austenite stability. At 600°C, tensile drops <20%, elongation remains >30%. Gangsteel's tests confirm elongation up to 55%, ideal for SA240 Type 316Ti in dynamic loads.
Physical traits of 316Ti, compliant with ASTM A240/A240M and ASME SA240/SA240M, support its tensile and elongation data in real apps.
|
Property |
Value |
Notes on Strength & Elongation |
|---|---|---|
|
Density (g/cm³) |
8.00 |
Standard; aids tensile calcs (stress = force/area). |
|
Melting Range (°C) |
1370-1400 |
High to maintain tensile at heat. |
|
Thermal Conductivity (W/m·K) |
14.6 (at 100°C) |
Decent; prevents local weakening under tensile. |
|
Specific Heat Capacity (J/kg·K) |
500 |
Efficient for elongation in cycling. |
|
Coefficient of Thermal Expansion (10^-6 /°C) |
16.5 (20-100°C) |
Low to minimize tensile stress from expansion. |
|
Modulus of Elasticity (GPa) |
193 |
High for elastic elongation under load. |
|
Electrical Resistivity (μΩ·cm) |
74 |
Moderate; no impact on mechanical data. |
These ensure tensile and elongation data hold in thermal stress, with low expansion reducing fatigue.
For uns stainless steel plates, 316Ti offers reliable data.
316Ti's corrosion resistance, per ASTM A240/A240M and ASME SA240/SA240M, complements its tensile and elongation by preventing degradation that could weaken strength.
316Ti welds well under ASTM A240/A240M, with Ti preserving tensile/elongation in HAZ. No preheat; good for high-strength joints.
Gangsteel's 316Ti shows post-weld elongation >35%.
316Ti's tensile and elongation data suit chemical reactors (high strength), food equipment (ductile for forming), marine piping (tensile in stress).
In Gangsteel's supply to U.S. pharma, 316Ti maintained tensile data in steam.
Equivalents: EN 1.4571 (similar tensile 500-700 MPa, elongation 40%). For A240 GR 316Ti, data matches.
Gangsteel stocks 316Ti at $3,200-3,800/ton FOB. 1-200mm thick, ASME SA240 certs with tensile data. Contact for tests.
Q: What is the tensile strength of 316Ti stainless steel?
A: The minimum tensile strength of 316Ti is 515 MPa per ASTM A240/A240M, with typical 550-700 MPa in annealed state, retaining >70% at 815°C due to Ti stabilization.
Q: What is the elongation of 316Ti stainless steel?
A: Minimum elongation is 40% per ASME SA240/SA240M, typically 45-55%, ensuring ductility for forming and stress resistance.
Q: How does temperature affect tensile strength and elongation of 316Ti?
A: Tensile drops <20% at 600°C with elongation >30%; Ti prevents weakening from carbides, per ASTM A240/A240M tests.
Q: What standards specify tensile and elongation for 316Ti?
A: ASTM A240/A240M and ASME SA240/SA240M define min tensile 515 MPa and elongation 40% for plates/sheets.
Q: How does 316Ti tensile and elongation compare to 316L?
A: Similar at room temp (tensile 515 MPa, elongation 40%), but 316Ti retains better at high temps due to Ti.
Q: What is the yield strength related to tensile in 316Ti?
A: Yield 205 MPa min, ~40% of tensile, providing good safety margin per ASME SA240/SA240M.
Q: How is tensile and elongation tested for 316Ti?
A: Per ASTM E8 (tensile) and A370 (elongation), with Gangsteel's labs confirming data for certs.
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