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Published: November 11, 2025 | Updated: November 11, 2025By Gangsteel Engineering Team – 25+ Years in Stainless Steel Export Excellence
In the precision-driven arena of stainless steels compliant with ASTM A240/A240M – 316Ti (UNS S31635), AWS A5.9 – ER316L or ER316Ti for wires, and AWS A5.4 – E316L or E316Ti for electrodes, 316Ti emerges as a titanium-stabilized austenitic grade whose welding rod wire selection is critical for achieving strong, corrosion-resistant joints in high-temperature and aggressive 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, marine, and power generation.
If you're selecting welding rod wire for 316Ti under ASME SA240/SA240M for a reactor vessel or exhaust piping where weld compatibility and performance are essential, understanding recommended options and their impact is vital. This article explores 316Ti's welding rod wire selection, data, and insights, based on ASTM A240/A240M – 316Ti (UNS S31635), AWS A5.9 – ER316L or ER316Ti for wires, and AWS A5.4 – E316L or E316Ti for electrodes standards and our mill tests.
From our production lines, we've optimized welding rod wire for 316Ti: In a 2024 U.S. chemical reactor fabrication, our 316Ti with ER316Ti wire under ASTM A240 /A240M showed no IGC after 1,000 hours at 150°C, enhancing joint durability as per client tensile tests. Compliant with ASME SA240/SA240M for pressure apps, 316Ti's density of 8.00 g/cm³ supports efficient welding. Let's delve into the options, from composition to wire selection, to equip you for successful welds.
316Ti stainless steel welding rod wire selection, compliant with ASTM A240/A240M – 316Ti (UNS S31635), AWS A5.9 – ER316L or ER316Ti for wires, and AWS A5.4 – E316L or E316Ti for electrodes, recommends ER316L for low-carbon welds and ER316Ti for matching Ti stabilization in high-temp apps. This ensures weld tensile ~515 MPa and IGC resistance at 425-815°C. Density 8.00 g/cm³, PREN 23-28. Test ensures ~90% base properties. Superior to 304 in heat; Gangsteel stocks with certs for custom wire guidance.
The chemical composition of 316Ti, as per ASTM A240/A240M – 316Ti (UNS S31635), is optimized for welding rod wire compatibility, with titanium ensuring stability in welds.
|
Element |
% Range or Max |
Role in Welding Rod Wire Selection |
|---|---|---|
|
Carbon (C) |
0.08 max |
Low C with Ti for low-C rod compatibility. |
|
Manganese (Mn) |
2.00 max |
Matches rods for deoxidation. |
|
Silicon (Si) |
0.75 max |
Improves rod fluidity. |
|
Phosphorus (P) |
0.045 max |
Limited for rod integrity. |
|
Sulfur (S) |
0.030 max |
Controlled for rod cracking. |
|
Chromium (Cr) |
16.00-18.00 |
Matches rods for passivation. |
|
Molybdenum (Mo) |
2.00-3.00 |
Requires Mo in rods for pitting. |
|
Nickel (Ni) |
10.00-14.00 |
Stabilizes with rod Ni. |
|
Titanium (Ti) |
5x(C+N) min, 0.70 max |
Selection recommends Ti rods for matching stabilization. |
|
Nitrogen (N) |
0.10 max |
Controlled for rod strength. |
|
Iron (Fe) |
Balance |
Base for rod matching. |
This composition under ASTM A240/A240M ensures rod wire selection compatibility.
Gangsteel's 316Ti meets ASME SA240/SA240M for certified welding.
For uns stainless steel plates, rod wire guide aligns.
316Ti's mechanical properties, per ASTM A240/A240M and ASME SA240/SA240M, are preserved with proper welding rod wire selection.
|
Property |
Minimum Value |
Welded Typical |
Welding Rod Wire Notes |
|---|---|---|---|
|
Tensile Strength (MPa) |
515 |
550-650 |
Rod wires like ER316L ensure ~90% base. |
|
Yield Strength (MPa) |
205 |
220-280 |
No drop with Ti rod wires. |
|
Elongation (%) |
40 |
35-45 |
Good with low-C rod wires. |
|
Hardness (HRB max) |
95 |
85-95 |
Low with rutile rod wires. |
|
Impact (Charpy J) |
Not req. |
80+ at RT |
Maintained with matching rod wires. |
Welding rod wire selection recommends for property retention.
For SA240 Type 316Ti, rod wire data detailed.
Physical properties of 316Ti, compliant with ASTM A240/A240M and ASME SA240/SA240M, aid welding rod wire selection.
|
Property |
Value |
Notes on Welding Rod Wire Selection |
|---|---|---|
|
Density (g/cm³) |
8.00 |
Consistent for rod wire calcs. |
|
Melting Range (°C) |
1370-1400 |
High for rod wire melt pool. |
|
Thermal Conductivity (W/m·K) |
14.6 (at 100°C) |
Good flow with rod wires. |
|
Specific Heat (J/kg·K) |
500 |
Efficient for interpass. |
|
Thermal Expansion (10^-6 /°C) |
16.5 (20-100°C) |
Low stress with rod wires. |
|
Modulus (GPa) |
193 |
Stiffness post-weld. |
|
Electrical Resistivity (μΩ·cm) |
74 |
Moderate for arc welding. |
These ensure rod wire selection efficiency.
For 316Ti under ASTM A240/A240M and ASME SA240/SA240M, select rod wires that match chemistry and maintain Ti stabilization.
Recommended rod wires (per AWS A5.9/A5.4):
|
Rod Wire Type |
AWS Classification |
Composition Notes |
Applications |
|---|---|---|---|
|
Solid Wire |
ER316L |
Low C, Mo 2-3%; no Ti |
General welding; good for P8. |
|
Flux-Cored |
E316LT |
Low C, Mo; rutile flux |
High-deposition; outdoor use. |
|
Ti-Stabilized |
ER316Ti or ER316L-Ti |
Low C, Ti 0.5-0.7% |
Matches 316Ti for high-temp IGC. |
|
Electrode |
E316L-16 |
Low C; coated |
Manual welding; versatile. |
Gangsteel's tests show ER316L rod wires yield welds with tensile >500 MPa.
316Ti's corrosion resistance, per ASTM A240/A240M and ASME SA240/SA240M, is preserved with proper rod wire selection.
316Ti is highly weldable, Ti aiding resistance in rod wire welds per ASTM A240/A240M. No preheat; good for rod wire-sensitive fab.
Gangsteel's 316Ti SA240 Type 316Ti maintains ratings post-weld.
316Ti's rod wire welding suits chemical reactors (welded with ER316Ti), marine piping (E316LT for outdoors).
In Gangsteel's supply to U.S. pharma, 316Ti rod wire welded without IGC.
Equivalents: EN 1.4571 (similar rod wire). For A240 GR 316Ti, rod wires match.
Gangsteel offers 316Ti at $3,200-3,800/ton FOB. 1-200mm thick, certs. Contact for rod wire guide.
Q: What is the recommended welding rod wire for 316Ti stainless steel?
A: Recommended welding rod wire for 316Ti includes ER316L for general corrosion resistance and ER316Ti for matching titanium stabilization in high-temperature applications, ensuring weld properties align with the base metal's IGC resistance.
Q: How does welding rod wire choice affect 316Ti weld properties?
A: Choosing ER316L provides low-carbon welds with good ductility and corrosion resistance, while ER316Ti adds titanium to prevent sensitization and maintain high-temperature IGC resistance, yielding welds with tensile >500 MPa and elongation >35%.
Q: What is the A number for 316Ti welding rod wire in ASME?
A: The A number for 316Ti welding rod wire is A8, indicating austenitic welds with Cr-Ni-Mo-Ti composition per ASME Section IX, ensuring compatibility for P number 8 base material.
Q: What welding rod wire is best for joining 316Ti to 316L?
A: ER316L welding rod wire is best for joining 316Ti to 316L, providing low-carbon deposits that match both grades' corrosion resistance without compromising the joint's IGC or pitting performance.
Q: Is preheat required when welding 316Ti with rod wire?
A: No preheat is required for welding 316Ti with rod wire like ER316L, as its titanium stabilization prevents sensitization, but interpass temperatures should be limited to 150°C for optimal weld quality.
Q: What is the role of titanium in 316Ti welding rod wire selection?
A: Titanium in 316Ti welding rod wires like ER316Ti stabilizes the weld against carbide precipitation at high temperatures, preventing intergranular corrosion and maintaining the base metal's IGC resistance in the heat-affected zone.
Q: What standards govern welding rod wire for 316Ti stainless steel?
A: Welding rod wires for 316Ti are governed by AWS A5.9 for classifications like ER316L, aligned with ASTM A240/A240M base specs and ASME Section IX for procedure qualifications.
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