StarBlaze TIG 347H
AWS A5.9: ER 347H | EN ISO 14343-A: W 19 9 Nb
StarBlaze TIG 347H is a niobium-stabilised stainless steel TIG welding rod that deposits a 19Cr/9Ni weld metal, designed for use with Argon shielding gas. It is ideal for welding 321 and 347 grade stainless steels in applications such as pipe, plate, and pressure vessel fabrication. The addition of niobium provides excellent resistance to intergranular corrosion, particularly 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 to resist intergranular corrosion
- Excellent mechanical properties and toughness
- Suitable for welding 321 and 347 stainless steel grades
- Performs well under elevated temperature conditions
Industries
- Petrochemical and refinery equipment
- Pressure vessels and boilers
- Heat exchangers
- Piping systems
Processes
- TIG welding of stabilized austenitic stainless steels
- Fabrication of corrosion-resistant components
- Welding for thermal and chemical resistance
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 |
| 0.04 – 0.08 | 1.50 – 2.20 | 0.30 – 0.65 | 19.50 – 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 |
