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316Ti Stainless Steel 316Ti Filler Wire Selection

Published: November 10, 2025 | Updated: November 10, 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), ASTM A312/A312M – TP316Ti, ASTM A213/A213M – TP316Ti, ASTM A249/A249M – TP316Ti, EN 10088-2/EN 10095 – X6CrNiMoTi17-12-2 (1.4571), GB/T 20878 – 06Cr17Ni12Mo2Ti, JIS G4303 – SUS316Ti, and BS EN 10088-2 – 1.4571 (316Ti), 316Ti emerges as a titanium-stabilized austenitic grade whose filler wire selection is critical for achieving welds with optimal strength, corrosion resistance, and high-temperature integrity.

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 filler 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 filler wire selection, data, and insights, based on ASTM A240/A240M – 316Ti (UNS S31635), ASTM A312/A312M – TP316Ti, ASTM A213/A213M – TP316Ti, ASTM A249/A249M – TP316Ti, EN 10088-2/EN 10095 – X6CrNiMoTi17-12-2 (1.4571), GB/T 20878 – 06Cr17Ni12Mo2Ti, JIS G4303 – SUS316Ti, and BS EN 10088-2 – 1.4571 (316Ti) standards and our mill tests.

From our production lines, we've optimized 316Ti filler wire selection: In a 2024 U.S. chemical reactor weld, our 316Ti with ER316L 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 selection, from composition to wire options, to equip you for successful welds.

Summary

316Ti stainless steel filler wire selection, compliant with ASTM A240/A240M – 316Ti (UNS S31635), ASTM A312/A312M – TP316Ti, ASTM A213/A213M – TP316Ti, ASTM A249/A249M – TP316Ti, EN 10088-2/EN 10095 – X6CrNiMoTi17-12-2 (1.4571), GB/T 20878 – 06Cr17Ni12Mo2Ti, JIS G4303 – SUS316Ti, and BS EN 10088-2 – 1.4571 (316Ti), recommends ER316L or E316LT for low-carbon welds, with 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. Superior to 304 wires in heat; Gangsteel stocks with certs for custom wire guidance.

 

Chemical Composition: Basis for Filler Wire Selection

The chemical composition of 316Ti, as per ASTM A240/A240M – 316Ti (UNS S31635), ASTM A312/A312M – TP316Ti, ASTM A213/A213M – TP316Ti, ASTM A249/A249M – TP316Ti, EN 10088-2/EN 10095 – X6CrNiMoTi17-12-2 (1.4571), GB/T 20878 – 06Cr17Ni12Mo2Ti, JIS G4303 – SUS316Ti, and BS EN 10088-2 – 1.4571 (316Ti), is optimized for filler wire compatibility, with titanium ensuring stability in welds.

Element

% Range or Max

Role in Filler Wire Selection

Carbon (C)

0.08 max

Low C with Ti for low-C wire compatibility.

Manganese (Mn)

2.00 max

Matches wires for deoxidation.

Silicon (Si)

0.75 max

Improves wire fluidity.

Phosphorus (P)

0.045 max

Limited for wire integrity.

Sulfur (S)

0.030 max

Controlled for wire cracking.

Chromium (Cr)

16.00-18.00

Matches wires for passivation.

Molybdenum (Mo)

2.00-3.00

Requires Mo in wires for pitting.

Nickel (Ni)

10.00-14.00

Stabilizes with wire Ni.

Titanium (Ti)

5x(C+N) min, 0.70 max

Selection recommends Ti wires for matching stabilization.

Nitrogen (N)

0.10 max

Controlled for wire strength.

Iron (Fe)

Balance

Base for wire matching.

This composition under ASTM A240/A240M ensures filler wire selection compatibility.

Gangsteel's 316Ti meets ASME SA240/SA240M for certified welding.

For uns stainless steel plates, filler wire guide aligns.

 

Mechanical Properties: Filler Impact on Welds

316Ti's mechanical properties, per ASTM A240/A240M and ASME SA240/SA240M, are preserved with proper filler wire selection.

Property

Minimum Value

Welded Typical

Filler Wire Notes

Tensile Strength (MPa)

515

550-650

Wires like ER316L maintain ~90% base.

Yield Strength (MPa)

205

220-280

No drop with Ti wires.

Elongation (%)

40

35-45

Good with low-C wires.

Hardness (HRB max)

95

85-95

Low with rutile wires.

Impact (Charpy J)

Not req.

80+ at RT

Maintained with matching wires.

Selection recommends wires for property retention.

For SA240 Type 316Ti, filler data detailed.

 

Physical Properties: Supporting Filler Wire Selection

Physical properties of 316Ti, compliant with ASTM A240/A240M and ASME SA240/SA240M, aid filler wire selection.

Property

Value

Notes on Filler Wire Selection

Density (g/cm³)

8.00

Consistent for wire calcs.

Melting Range (°C)

1370-1400

High for wire melt pool.

Thermal Conductivity (W/m·K)

14.6 (at 100°C)

Good flow with wires.

Specific Heat (J/kg·K)

500

Efficient for interpass.

Thermal Expansion (10^-6 /°C)

16.5 (20-100°C)

Low stress with wires.

Modulus (GPa)

193

Stiffness post-weld.

Electrical Resistivity (μΩ·cm)

74

Moderate for arc welding.

These ensure wire selection efficiency.

 

Filler Wire Selection: Recommendations for 316Ti

For 316Ti under ASTM A240/A240M and ASME SA240/SA240M, select filler wires that match chemistry and maintain Ti stabilization.

Recommended filler wires (per AWS A5.9):

Filler Wire

AWS Classification

Composition Notes

Applications

Solid Wire

ER316L

Low C, Mo 2-3%; no Ti

General welding; good for P8.

Ti-Stabilized

ER316Ti

Low C, Ti 0.5-0.7%

Matches 316Ti for high-temp IGC.

Flux-Cored

E316LT

Low C, Mo; rutile flux

High-deposition; outdoor use.

  • Preheat/Interpass: None required; max 150°C to avoid sensitization.
  • PWHT: Not needed; Ti stabilizes.
  • Shielding Gas: Ar + 2-3% CO2 for GMAW; pure Ar for GTAW.

Gangsteel's tests show ER316L wires yield welds with tensile >500 MPa.

Corrosion Resistance: Post-Weld Filler Highlight

316Ti's corrosion resistance, per ASTM A240/A240M and ASME SA240/SA240M, is preserved with proper filler wire selection.

  • Uniform: <0.1 mm/year in acids; wires prevent depletion.
  • IGC: Resistant with Ti; wires like ER316Ti enhance.
  • SCC: Good in chlorides; P number 8 aids qualification.
  • Pitting: PREN 23-28; Mo in wires maintains.

Weldability and Fabrication: Filler in Practice

316Ti is highly weldable, Ti aiding resistance in welds per ASTM A240/A240M. No preheat; good for wire-sensitive fab.

Gangsteel's 316Ti SA240 Type 316Ti maintains ratings post-weld.

Applications: Where Filler Wire Selection Matters

316Ti's filler wire selection suits chemical reactors (welded with ER316Ti), marine piping (E316LT for outdoors).

In Gangsteel's supply to U.S. pharma, 316Ti welded without IGC.

Equivalents: Global Wire Alternatives

Equivalents: EN 1.4571 (similar wire selection). For A240 GR 316Ti, wires match.

Sourcing from Gangsteel: Stock and Pricing

Gangsteel offers 316Ti at $3,200-3,800/ton FOB. 1-200mm thick, certs. Contact for wire selection.

 

FAQ: 316Ti Stainless Steel Filler Wire Questions Answered

Q: What is the recommended filler wire for 316Ti stainless steel?

A: Recommended filler wires for 316Ti include 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 filler 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 filler wire in ASME?

A: The A number for 316Ti filler 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 filler wire is best for welding 316Ti to 316L?

A: ER316L filler wire is best for welding 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 filler wire?

A: No preheat is required for 316Ti welding with wires 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 filler wire selection?

A: Titanium in 316Ti filler 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 filler wire for 316Ti stainless steel?

A: Filler 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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