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Published: November 12, 2025 | Updated: November 12, 2025By Gangsteel Engineering Team – 25+ Years in Stainless Steel Export Excellence
In the specialized domain of stainless steels compliant with ASME SA-479/SA-479M – Type 316Ti and ASTM A479/A479M – Type 316Ti standards, 316Ti bar is a titanium-stabilized austenitic material engineered for superior performance in high-temperature, corrosive, and pressure-containing applications requiring precision machining and durability.
As a premier producer and exporter based in China, Gangsteel has supplied thousands of tons of 316Ti bar, fully compliant with ASME SA-479/SA-479M – Type 316Ti and ASTM A479/A479M – Type 316Ti, to industries like petrochemical, marine, and manufacturing.
If you're sourcing 316Ti bar under ASME SA-479/SA-479M – Type 316Ti for valve stems, shafts, or fasteners where strength, corrosion resistance, and machinability are critical, Gangsteel delivers mill-direct stock with full traceability. This article covers 316Ti bar specifications, properties, and stock availability, based on ASME SA-479/SA-479M – Type 316Ti and ASTM A479/A479M – Type 316Ti standards.
From our production lines, 316Ti bar specs shine: In a 2024 Los Angeles valve manufacturing project, our 316Ti bars under ASME SA-479/SA-479M – Type 316Ti achieved HRC 25 hardness after machining, ensuring tight tolerances for M20 stems without IGC in sour service. With ASME SA240/SA240M approval for related components, 316Ti bar's density of 8.00 g/cm³ supports lightweight yet robust designs. Let's explore 316Ti bar — from composition to stock — for your next project.
316Ti stainless steel bar under ASME SA-479/SA-479M – Type 316Ti and ASTM A479/A479M – Type 316Ti specifications includes diameters from 3.0-500 mm, lengths up to 6 m, and finishes like hot-rolled or polished, 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 4-200 mm dia. bars with certs for custom needs.
The chemical composition of 316Ti bar, as specified in ASME SA-479/SA-479M – Type 316Ti and ASTM A479/A479M – Type 316Ti, is optimized for bar stock properties, with titanium ensuring stability.
|
Element |
% Range or Max |
Role in SA 479 Bar Specs |
|---|---|---|
|
Carbon (C) |
0.08 max |
Low 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 ASME SA-479/SA-479M – Type 316Ti ensures bar stock meets mechanical specs.
Gangsteel's 316Ti bars meet ASTM A479/A479M – Type 316Ti for certified use.
For uns stainless steel plates, bar blank stock available.
316Ti bar's mechanical properties, per ASME SA-479/SA-479M – Type 316Ti and ASTM A479/A479M – Type 316Ti, highlight its suitability for bar stock.
|
Property |
Minimum Value |
Typical Range |
SA 479 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. |
SA 479 specs cold/hot-finished bars; Gangsteel's meet for high-strength.
For SA240 Type 316Ti, bar specs detailed.
Physical properties of 316Ti bar, compliant with ASME SA-479/SA-479M – Type 316Ti and ASTM A479/A479M – Type 316Ti, 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 bar stock performs reliably.
316Ti bar's corrosion resistance, per ASME SA-479/SA-479M – Type 316Ti and ASTM A479/A479M – Type 316Ti, is enhanced by Ti for bar apps in corrosives.
Standards require optional A262 for IGC in bars.
316Ti bars are highly weldable per ASME SA-479/SA-479M – Type 316Ti, with Ti preventing sensitization. Fillers ER316L.
Gangsteel's 316Ti SA240 Type 316Ti bars (SA 479 compliant) fab easily.
316Ti bar specs suit chemical shafts (corrosion), marine rods (pitting).
In Gangsteel's supply to U.S. offshore, SA 479 316Ti bars endured without failure.
Equivalents: EN 1.4571 (similar bar specs). For A240 GR 316Ti, SA 479 aligns.
Gangsteel stocks 316Ti bars (3-500mm dia.) at $4,500-6,000/ton FOB. SA 479 certs; contact for specs. Email: admin@gangsteel.com
Q: What are the SA 479 specifications for 316Ti stainless steel bar stock?
A: ASME SA-479/SA-479M – Type 316Ti specifies diameters 3-500mm, lengths up to 6m, finishes like polished, with tensile 515 MPa min and yield 205 MPa min for pressure vessel bars.
Q: What is the chemical composition per SA 479 for 316Ti bars?
A: Per SA 479, 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 SA 479 for 316Ti bars?
A: SA 479 requires tensile 515 MPa min, yield 205 MPa min, elongation 40% min for 316Ti bars.
Q: What sizes are available in SA 479 316Ti bar stock?
A: SA 479 316Ti bar stock available in diameters 3-500mm, hex 18-57mm, square 18-47mm, flat 3-12mm thickness.
Q: What is the density of 316Ti per SA 479 specs?
A: Density is 8.00 g/cm³ per SA 479-related data, consistent for bar calcs.
Q: What is the hardness of 316Ti bars in SA 479?
A: Maximum hardness 95 HRB per SA 479 annealed condition for 316Ti bars.
Q: What is the yield strength of 316Ti bar stock?
A: Minimum yield strength 205 MPa per SA 479 for 316Ti bars.
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