StarBlaze TIG 347
AWS A5.9: ER 347 | EN ISO 14343-A: W 19 9 Nb | UNS: S34780
StarBlaze TIG 347 is a niobium-stabilised stainless steel TIG welding rod that deposits a 19Cr/9Ni weld metal. Designed for Argon shielding gas use, it is ideal for welding 321 and 347 grade stainless steels across a wide range of industrial applications, including pipework, plates, and pressure vessels. It offers excellent resistance to corrosive media at service temperatures below 400°C.
Diameter: 0.80 mm, 0.90 mm, 1.00 mm, 1.20 mm, 1.60 mm, 2.00 mm, 2.40 mm, 3.20 mm, 4.00 mm
Pack Sizes: 5 kg/tube, 20 kg/box
Key Features
- Niobium stabilised for enhanced resistance to intergranular corrosion
- Excellent performance for 321 and 347 stainless steel applications
- Suitable for piping, vessels, and structural fabrication
- Maintains mechanical integrity at elevated temperatures
Industries
- Food and beverage processing
- Heat exchanger and pressure vessel manufacturing
- Petrochemical industry
- Architectural and structural welding
Processes
- TIG welding of stabilised austenitic stainless steels
- Fabrication of corrosion- and temperature-resistant components
- Applications requiring niobium-stabilised weld deposits
Additional Details
- Recommended shielding gas: Argon
- Welding current: DC (–)
- Store in dry conditions; avoid condensation
- Materials to be welded:
- AISI 347
- AISI 321
- 1.4541 (X6CrNiTi18-10)
- 1.4301 (X4CrNi18-10)
- 1.4550 (X6CrNiNb18-10)
Product Details
Typical Chemical Composition (%)
| C | Mn | Si | Cr | Ni | Mo | Cu | S | P | Nb |
| 0.08 max | 1.50 – 2.20 | 0.30 – 0.65 | 19.00 – 21.50 | 9.00 – 11.00 | 0.75 max | 0.75 max | 0.03 max | 0.03 max | 10*C – 1.00 |
Typical All-Weld Mechanical Properties
| Yield Strength (N/mm²) | Tensile Strength (N/mm²) | Elongation A5 (%) | Impact Energy ISO-V(J) 20°C |
| ≥ 400 | ≥ 550 | ≥ 30% | ≥ 65 |
