Titanium welding wire
ASTM B863-19 Standard Specification for Titanium and Titanium Alloy Wire
AWS A5.16/A5.16M:2020 Specification for Titanium and Titanium-Alloy Welding Electrodes and Rods
ISO 24034:2010 Welding consumables
MIL-DTL-81381D Military Specification
Product Introduction
Titanium welding wire is a specialized welding material designed for joining titanium and titanium alloys. Welding titanium is challenging due to its high melting point, strong reactivity, and tendency to absorb oxygen. To ensure quality welds, the wire is manufactured under strict standards and selected according to alloy type, welding process, and required mechanical properties.
Classification
Titanium welding wire can be categorized based on welding methods, alloy composition, and surface treatment:
Titanium alloy welding wire: For welding alloys such as Ti-6Al-4V, Ti-6Al-2Sn-4Zr-2Mo, and other common grades.
Stainless steel-coated welding wire: Features a stainless steel surface layer to improve welding stability and quality.
Titanium alloy/steel composite welding wire: Enables joining titanium alloys to steels in hybrid structures.
Applications
Titanium welding wire is widely used in:
Aerospace (airframe and engine components)
Chemical processing (corrosion-resistant equipment)
Marine engineering (seawater-resistant structures)
Medical equipment (surgical implants and instruments)
It plays a critical role in ensuring the performance, strength, and safety of welded titanium components.
Specifications
Common Sizes
Diameter (mm) | Tolerance (mm) | Length (mm) | Tolerance (mm) |
0.1–0.3 | ±0.025 | 200–500 | ±1.0 |
0.3–0.8 | ±0.040 | 500–1000 | ±1.5 |
0.8–2.0 | ±0.050 | 1000–2000 | ±2.0 |
Mechanical Properties (Typical)
Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
Gr1 | 240 | 170 | 24 |
Gr2 | 345 | 275 | 20 |
Gr4 | 550 | 483 | 15 |
Gr5 | 895 | 828 | 10 |
Gr7 | 400 | 275 | 18 |
Gr9 | 620 | 483 | 15 |
Gr12 | 483 | 345 | 18 |
Gr23 | 793 | 759 | 10 |
Chemical Composition (Typical Limits, wt.%)
Grade | Fe max | O max | N max | C max | H max | Pd max | Al | V | Ni | Mo |
Gr1 | 0.20 | 0.18 | 0.03 | 0.08 | 0.015 | – | – | – | – | – |
Gr2 | 0.30 | 0.25 | 0.03 | 0.08 | 0.015 | – | – | – | – | – |
Gr4 | 0.50 | 0.40 | 0.05 | 0.08 | 0.015 | – | – | – | – | – |
Gr5 | 0.40 | 0.20 | 0.05 | 0.08 | 0.015 | – | 5.5–6.7 | 3.5–4.5 | – | – |
Gr7 | 0.30 | 0.25 | 0.03 | 0.08 | 0.015 | 0.12–0.25 | – | – | – | – |
Gr9 | 0.25 | 0.15 | 0.03 | 0.08 | 0.015 | – | 2.5–3.5 | 2.0–3.0 | – | – |
Gr12 | 0.30 | 0.25 | 0.03 | 0.08 | 0.015 | – | 0.6–0.9 | 0.2–0.4 | – | – |
Gr23 | 0.25 | 0.13 | 0.03 | 0.08 | 0.0125 | – | 5.5–6.5 | 3.5–4.5 | – | – |
Titanium balance for all grades
Standards
Titanium welding wire is produced in accordance with international specifications, including:
ASTM B863-19 – Standard Specification for Titanium and Titanium Alloy Wire
AWS A5.16/A5.16M:2020 – Specification for Titanium and Titanium-Alloy Welding Electrodes and Rods
ISO 24034:2010 – Welding consumables classification for solid and cored electrodes
MIL-DTL-81381D – Military specification for titanium and titanium alloy welding wires
Compliance with these standards ensures consistent mechanical properties, chemical composition, dimensions, and surface quality, guaranteeing safe and reliable welding performance.
Hot Tags:
You Might Also Like
Send Inquiry
