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Published: November 11, 2025 | Updated: November 11, 2025By Gangsteel Engineering Team – 25+ Years in Stainless Steel Export Excellence
In the rigorous domain of stainless steels compliant with ASTM A240/A240M and ASME SA240/SA240M standards, 316Ti emerges as a titanium-stabilized austenitic grade whose grade specifications are essential for ensuring performance in high-temperature and corrosive environments.
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 referencing 316Ti grade specifications under ASME SA240/SA240M for a pressure vessel or welded structure where composition, mechanicals, and tolerances are critical, understanding these details is key. This article provides a comprehensive overview of 316Ti's grade specifications, properties, and insights, based on ASTM A240/A240M and ASME SA240/SA240M standards and our mill data.
From our production lines, we've seen 316Ti's grade specifications in action: In a 2024 European chemical reactor build, our 316Ti plates under ASTM A240 /A240M met all spec requirements for IGC resistance at 600°C, enabling certification without revisions, as per client audits. Compliant with ASME SA240/SA240M for pressure apps, 316Ti's density of 8.00 g/cm³ supports precise designs. Let's delve into the grade specifications, from composition to testing, to guide your compliance.
316Ti stainless steel grade specifications under ASTM A240/A240M and ASME SA240/SA240M detail chemical composition (C 0.08% max, Ti 0.70% max), mechanical properties (tensile 515 MPa min, yield 205 MPa min, elongation 40% min), tolerances (thickness ±0.13mm for 3-5mm), and testing (tension, optional A262). Density 8.00 g/cm³, PREN 23-28. Equivalent to EN 1.4571; superior to 316L in heat. Ideal for chemical reactors; Gangsteel stocks 1-200mm with certs for custom needs.
The chemical composition of 316Ti, as specified in ASTM A240/A240M and ASME SA240/SA240M, is optimized for grade stability, with titanium ensuring resistance to carbide precipitation.
|
Element |
% Range or Max |
Role in Grade Specs |
|---|---|---|
|
Carbon (C) |
0.08 max |
Max to minimize carbides; Ti binds excess. |
|
Manganese (Mn) |
2.00 max |
Max for deoxidation. |
|
Silicon (Si) |
0.75 max |
Max for oxidation. |
|
Phosphorus (P) |
0.045 max |
Strict max for ductility. |
|
Sulfur (S) |
0.030 max |
Max to avoid hot shortness. |
|
Chromium (Cr) |
16.00-18.00 |
Range for passivation. |
|
Molybdenum (Mo) |
2.00-3.00 |
Range for pitting. |
|
Nickel (Ni) |
10.00-14.00 |
Range for austenite. |
|
Titanium (Ti) |
5x(C+N) min, 0.70 max |
Min/max for stabilization. |
|
Nitrogen (N) |
0.10 max |
Max for strength. |
|
Iron (Fe) |
Balance |
Base. |
Grade specs require heat analysis certs; Gangsteel's exceed with low P/S.
For uns stainless steel plates, specs match.
316Ti's mechanical properties, per ASTM A240/A240M and ASME SA240/SA240M, ensure grade suitability for stress-prone apps.
|
Property |
Minimum Value |
Typical Range |
Grade Specs Notes |
|---|---|---|---|
|
Tensile Strength (MPa) |
515 |
550-700 |
Min for all thicknesses. |
|
Yield Strength (MPa) |
205 |
220-300 |
0.2% offset. |
|
Elongation (%) |
40 |
45-55 |
In 50mm gauge. |
|
Hardness (HRB max) |
95 |
80-90 |
Annealed condition. |
|
Brinell (HB max) |
217 |
160-190 |
Converted from HRB. |
Grade specs no heat treatment post-delivery.
Physical properties of 316Ti, compliant with ASTM A240/A240M and ASME SA240/SA240M, complement grade data.
|
Property |
Value |
Notes |
|---|---|---|
|
Density (g/cm³) |
8.00 |
Standard for weight calcs. |
|
Melting Range (°C) |
1370-1400 |
High for thermal apps. |
|
Thermal Conductivity (W/m·K) |
14.6 (at 100°C) |
Good dissipation. |
|
Specific Heat (J/kg·K) |
500 |
Efficient cycling. |
|
Thermal Expansion (10^-6 /°C) |
16.5 (20-100°C) |
Low distortion. |
|
Modulus (GPa) |
193 |
High stiffness. |
|
Electrical Resistivity (μΩ·cm) |
74 |
Moderate. |
These enhance 316Ti's grade overview.
316Ti's corrosion resistance, per ASTM A240/A240M and ASME SA240/SA240M, is a standout grade property, with Ti preventing IGC.
316Ti is highly weldable per ASTM A240/A240M, Ti preserving properties. No preheat; good elongation for fab.
Gangsteel's 316Ti SA240 Type 316Ti excels in forming.
316Ti's grade specs suit chemical reactors (high elongation), food equipment (corrosion resistance), marine piping (strength).
In Gangsteel's supply to U.S. pharma, 316Ti properties endured without failure.
Equivalents: EN 1.4571 (similar properties). For A240 GR 316Ti, properties match.
Gangsteel stocks 316Ti at $3,200-3,800/ton FOB. 1-200mm thick, ASME SA240 certs with property data. Contact for overview.
Q: What are the grade specifications of 316Ti stainless steel?
A: 316Ti grade specifications under ASTM A240/A240M include tensile 515 MPa min, yield 205 MPa min, elongation 40% min, hardness 95 HRB max, density 8.00 g/cm³, and thermal conductivity 14.6 W/m·K, with Ti for high-temp stability.
Q: What is the density of 316Ti stainless steel per grade specs?
A: The density of 316Ti is 8.00 g/cm³ per grade specifications, standard for austenitic SS, supporting weight-efficient designs.
Q: What is the hardness of 316Ti stainless steel in grade specs?
A: Maximum hardness is 95 HRB or 217 HB in annealed condition per grade specifications, soft for machining while maintaining properties.
Q: What is the yield strength of 316Ti stainless steel per grade specs?
A: Minimum yield strength is 205 MPa per grade specifications, with typical 220-300 MPa, providing good deformation resistance.
Q: What is the tensile strength of 316Ti stainless steel per grade specs?
A: Minimum tensile strength is 515 MPa per grade specifications, typically 550-700 MPa, stable at high temps due to Ti.
Q: What is the elongation of 316Ti stainless steel per grade specs?
A: Minimum elongation is 40% per grade specifications, typically 45-55%, ensuring excellent ductility for forming.
Q: How do high temperatures affect 316Ti's grade specifications?
A: At 815°C, tensile retains >70%, elongation >30%; Ti prevents property loss from carbides per grade specs.
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