Weld Star A32 TIG Filler Wire - 1.25% Cr / 1% Mo - 5kg (ER 80S-B2) - 1.0mm to 3.2mm Dia.
Price Promise

Found it cheaper? We will match it.
Price Match is available on products showing this message, including this Weld Star one. Send us the competitor's link and your delivery postcode, and we will confirm the matched price before you order.
- 1Send us the competitor's link
- 2Add your delivery postcode
- 3We confirm the price before you order
Identical new products from established UK retailers, total price including VAT and delivery, UK mainland only. Read the full terms
- Material: Low alloy copper-coated wire with 1.25% Chromium (Cr) and 1% Molybdenum (Mo) content
- Pack Size: 5 Kg
- Rod Diameter: 1.0mm – 3.2mm
- AWS Code: ER 80S-B2

Weld Star – A32 TIG Wire is a low alloy, copper-coated wire designed with 1.25% Chromium (Cr) and 1% Molybdenum (Mo) content. This wire is specifically formulated for welding heat-resistant steels and is ideal for high-temperature power generation applications.
Features and Benefits
- Heat Resistant: Designed for high-temperature applications, with recommended working temperatures of up to 550°C.
- High-Quality Welds: Suitable for welding 0.9% Cr and 0.5% Mo steels, ensuring durable and reliable welds.
- Versatile Applications: Commonly used in the chemical and ammonia synthesis process, heat exchangers, boilers, pipes, pressure vessels, and the petrochemical industry.
- Quality Production: Made with virgin raw materials sourced from specialized steel mills, ensuring consistent quality and reliability.
Common Applications
- Power Plants: Ideal for high-temperature power generation applications.
- Chemical and Petrochemical Industries: Used in equipment for the chemical and ammonia synthesis process, heat exchangers, boilers, and pipes.
- Pressure Vessels: Suitable for welding pressure vessels and other high-temperature applications.
Typical Base Materials
13CrMo4-5, G17CrMo55, A387:2,11,12, A200: T11, T12, GS 25CrMo4, GS 18CrMo910, 10CrMo910, 10CrSiMoV7, 10CrV63, 12CrSiMo8 (Illustrative, not exhaustive list).
Shielding Gases
EN ISO 14175 – TIG: I1 (Argon)
Welding Positions
EN ISO 6947 – PA, PB, PC, PD, PE, PF
| EN ISO21952-B – 1CM |
| AWS A5 28 – ER 80S-B2 |
| C% | Si% | Mn% | P% | S% | Cu% |
| 0.08 | 0.55 | 0.60 | <0.012 | <0.015 | <0.25 |
| Cr% | Ni% | Mo% | Al% | V% | Fx ppm |
| 1.30 | <0.20 | 0.50 | <0.020 | <0.010 | <15 |
| Tensile Strength | 620 MPa |
| Yield Strength | 510 MPa |
| Elongation | 24% |
| Impact Strength | 100 J |
| Test Temperature | -10 °C |
Mechanical properties are approximate and may vary based on the heat, shielding gas, welding parameters and other factors.
Liability: Whilst all reasonable efforts have been made to ensure the accuracy of the information contained, this information is subject to change without notice and can be only considered as suitable for general guidance
| Brand | Weld Star |
| Weight | 5kg |
| Diameter | 1.0mm · |
| AWS Classification | ER 80S-B2 |
| Material Type | High Strength Steel (ER80S+) |
| TIG Rod Diameter | 1 mm, 1.2 mm, 1.6 mm, 2.4 mm, 3.2 mm |
| TIG Rod Weight | 5 kg |
| SKU | Weight | Diameter | Stock Status | |
|---|---|---|---|---|
| 3010300324 | 5kg | 1 0mm | In Stock | £49.33 ex VAT £59.20 inc VAT |
| 3010300325 | 5kg | 1 2mm | In Stock | £49.33 ex VAT £59.20 inc VAT |
| 3010300326 | 5kg | 1 6mm | Out of Stock | £49.33 ex VAT £59.20 inc VAT |
| 3010300328 | 5kg | 2 4mm | In Stock | £49.33 ex VAT £59.20 inc VAT |
| 3010300329 | 5kg | 3 2mm | In Stock | £49.33 ex VAT £59.20 inc VAT |
Technical Datasheet
Download PDFA carriage charge is applied to orders, for standard 1-2 day shipments to mainland destinations within the United Kingdom. Other destinations and premium services are available but subject to additional freight charges.
Weld Star A32 TIG Filler Wire - 1.25% Cr / 1% Mo - 5kg (ER 80S-B2) - 1.0mm to 3.2mm Dia. Get in touch
Have a question about this product? Our team of welding experts are here to help.
Visit Us
12 Mary Seacole Road
The Millfields
Plymouth, Devon
PL1 3JY














Reviews
There are no reviews yet