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Published: November 9, 2025 | Updated: November 9, 2025By Gangsteel Engineering Team – 25+ Years in Stainless Steel Export Excellence
In the specialized domain of stainless steels compliant with ASTM A276 standards, 316Ti emerges as a titanium-stabilized austenitic grade whose bar stock specifications are optimized for high-temperature and corrosive service in industries requiring precision and durability.
As a premier producer and exporter based in China, Gangsteel has supplied thousands of tons of 316Ti stainless steel, meeting ASTM A276 specs for bars and shapes, to sectors like petrochemical, pharmaceutical, and marine.
If you're sourcing bar stock under ASTM A276 where specifications like diameter, finish, and mechanical properties are critical, understanding 316Ti's details is essential. This article explores its A276 specifications, properties, and practical insights, based on ASTM A276 standards and our mill data.
From our production lines, we've seen 316Ti bar stock in action: In a 2024 European valve manufacturing project, our 316Ti bars under ASTM A240 /A240M (complementary to A276) provided superior IGC resistance, enabling tight tolerances and long service life, as per client feedback. Compliant with ASME SA240/SA240M for related apps, 316Ti's density of 8.00 g/cm³ supports efficient bar designs. Let's delve into the specifications, from composition to stock options, to guide your sourcing.
316Ti stainless steel bar stock under ASTM A276 offers diameters from 4-500mm, lengths up to 6m, and finishes like polished or rough turned, with tensile strength 515 MPa min and yield 205 MPa min. Titanium stabilization ensures IGC resistance, making it ideal for high-temp apps. Density 8.00 g/cm³, PREN 23-28. Equivalent to EN 1.4571; Gangsteel stocks 1-200mm dia. bars with certs for custom needs.
The chemical composition of 316Ti, as specified in ASTM A276, is optimized for bar stock properties, with titanium ensuring stability.
|
Element |
% Range or Max |
Role in Bar Specs |
|---|---|---|
|
Carbon (C) |
0.08 max |
Low with Ti for weldable bars. |
|
Manganese (Mn) |
2.00 max |
Aids hot working for bar forming. |
|
Silicon (Si) |
0.75 max |
Improves bar surface finish. |
|
Phosphorus (P) |
0.045 max |
Limited for bar toughness. |
|
Sulfur (S) |
0.030 max |
Controlled for bar machinability. |
|
Chromium (Cr) |
16.00-18.00 |
Enhances bar corrosion resistance. |
|
Molybdenum (Mo) |
2.00-3.00 |
Boosts bar pitting resistance. |
|
Nickel (Ni) |
10.00-14.00 |
Stabilizes for bar ductility. |
|
Titanium (Ti) |
5x(C+N) min, 0.70 max |
Stabilizes bar microstructure. |
|
Nitrogen (N) |
0.10 max |
Strengthens bar matrix. |
|
Iron (Fe) |
Balance |
Base for bar properties. |
This composition under ASTM A276 ensures bar stock meets mechanical specs.
Gangsteel's 316Ti bars meet A276 for certified use.
316Ti's mechanical properties, per ASTM A276, highlight its suitability for bar stock.
|
Property |
Minimum Value |
Typical Range |
A276 Notes |
|---|---|---|---|
|
Tensile Strength (MPa) |
515 |
550-700 |
For all bar diameters. |
|
Yield Strength (MPa) |
205 |
220-300 |
Consistent in cold-finished bars. |
|
Elongation (%) |
40 |
45-55 |
High for bar bending. |
|
Reduction of Area (%) |
Not specified |
50-60 |
Indicates bar toughness. |
|
Hardness (HRB max) |
95 |
80-90 |
Annealed bars. |
|
Brinell (HB max) |
217 |
160-190 |
Converted for bar specs. |
|
Impact (Charpy J) |
Not req. |
100+ at RT |
Optional for low-temp bars. |
A276 specs cold/hot-finished bars; Gangsteel's meet for high-strength.
For uns stainless steel plates, specs align.
Physical properties of 316Ti, compliant with ASTM A276, aid bar design.
|
Property |
Value |
Notes on Bar Specs |
|---|---|---|
|
Density (g/cm³) |
8.00 |
For bar weight calcs. |
|
Melting Range (°C) |
1370-1400 |
High for bar forging. |
|
Thermal Conductivity (W/m·K) |
14.6 (at 100°C) |
Good for bar heat apps. |
|
Specific Heat (J/kg·K) |
500 |
Efficient for bar cycling. |
|
Thermal Expansion (10^-6 /°C) |
16.5 (20-100°C) |
Low distortion in bar lengths. |
|
Modulus (GPa) |
193 |
Stiffness for bar loads. |
|
Electrical Resistivity (μΩ·cm) |
74 |
Moderate for bar uses. |
These ensure A276 bar stock performs reliably.
316Ti's corrosion resistance, per ASTM A276, is enhanced by Ti for bar apps in corrosives.
A276 requires optional tests like A262 for IGC in bars.
316Ti bars are highly weldable per ASTM A276, with Ti preventing sensitization. Fillers ER316L.
Gangsteel's 316Ti SA240 Type 316Ti bars (A276 compliant) fab easily.
316Ti bar specs suit chemical shafts (corrosion), marine rods (pitting), per A276.
In Gangsteel's supply to U.S. offshore, A276 316Ti bars endured without failure.
Equivalents: EN 1.4571 (similar bar specs). For A240 GR 316Ti, A276 aligns.
Gangsteel stocks 316Ti bars (4-500mm dia.) at $3,200-3,800/ton FOB. A276 certs; contact for specs.
Q: What are the A276 specifications for 316Ti stainless steel bar stock?
A: ASTM A276 specifies 316Ti bars in diameters 4-500mm, lengths up to 6m, finishes like polished, with tensile 515 MPa min and yield 205 MPa min.
Q: What is the chemical composition per A276 for 316Ti bars?
A: Per A276, C 0.08 max, Cr 16-18%, Mo 2-3%, Ni 10-14%, Ti 0.70 max, Mn 2 max, Si 0.75 max, P 0.045 max, S 0.03 max, Fe balance.
Q: What mechanical properties are required in A276 for 316Ti bars?
A: A276 requires tensile 515 MPa min, yield 205 MPa min, elongation 40% min for 316Ti bars.
Q: What sizes are available in A276 316Ti bar stock?
A: A276 316Ti bars available in diameters 4-500mm, hex 18-57mm, square 18-47mm, flat 3-12mm thickness.
Q: What is the density of 316Ti per A276 specs?
A: Density is 8.00 g/cm³ per A276-related data, consistent for bar calcs.
Q: What is the hardness of 316Ti bars in A276?
A: Maximum hardness 95 HRB per A276 annealed condition for 316Ti bars.
Q: What is the yield strength of 316Ti bar stock?
A: Minimum yield strength 205 MPa per A276 for 316Ti bars.
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