Weld Star ER 100S-G TIG Filler Wire - High Strength Low-Temperature Steel - 5kg (1.6-3.2mm Dia.)
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- Material: NiCrMo fine-grained steel alloy for low-temperature, high-strength applications
- Pack Size: 5 Kg
- Rod Diameter: 1.6mm – 3.2mm
- AWS Code: ER 100S-G

Weld Star – ER 100S-G TIG Wire is a NiCrMo fine-grained steel wire designed for low-temperature, high-strength applications. This wire offers an extreme crack-resistant alloy with high mechanical properties and excellent welding characteristics. It is known for its high impact strength even at sub-zero temperatures, making it ideal for critical applications in various industries.
Features and Benefits
- Crack-Resistant Alloy: Designed to resist cracking, ensuring durability and longevity.
- Low-Temperature Performance: Offers high impact strength even at temperatures as low as -50°C.
- High-Quality Production: Made with virgin raw materials sourced from specialized steel mills, ensuring consistent reliability and quality.
- Versatility: Suitable for a wide range of applications across various industrial sectors.
Common Applications
- Transport and Ground Movement: Ideal for vehicles and equipment used in transportation.
- Building Industry: Suitable for construction applications requiring high strength.
- Bridges and Tanks: Used in the construction and repair of bridges and storage tanks.
- Railway Transport: Ideal for railway infrastructure and equipment.
- Mining Industry: Used in mining equipment and infrastructure.
- Shipbuilding: Suitable for the construction and repair of ships.
Typical Base Materials
T1, T1A, T1B, StE 460, StE590, X60, X65, X70, X80, S460, S500, S550, S620, Weldox 500 (Illustrative, not exhaustive list).
| EN ISO16834-A – Mn3NiCrMo |
| AWS A5 28 – ER 100S-G |
| C% | Si% | Mn% | P% | S% | Cu% | Cr% |
| 0.08 | 0.75 | 1.40 | <0.015 | <0.015 | <0.25 | 0.55 |
| Ni% | Mo% | Al% | V% | Ti% | Zr% | |
| 0.60 | 0.25 | <0.020 | <0.020 | <0.050 | <0.050 |
| Tensile Strength | 730 MPa |
| Yield Strength | 640 MPa |
| Elongation | 20% |
| Impact Strength | 50 J |
| Test Temperature | -50°C |
Mechanical properties are approximate and may vary based on the heat, shielding gas, welding parameters and other factors
Shielding Gases
EN ISO 14175 – TIG: I1 (Argon)
Welding Positions
EN ISO 6947 – PA, PB, PC, PD, PE, PF
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 | 1.6mm · |
| AWS Classification | ER 100S-G |
| Material Type | High Strength Steel (ER80S+) |
| TIG Rod Diameter | 1.6 mm, 2.4 mm, 3.2 mm |
| TIG Rod Weight | 5 kg |
| SKU | Weight | Diameter | Stock Status | |
|---|---|---|---|---|
| 3010300450 | 5kg | 1 6mm | In Stock | £42.95 ex VAT £51.54 inc VAT |
| 3010300452 | 5kg | 2 4mm | In Stock | £42.95 ex VAT £51.54 inc VAT |
| 3010300453 | 5kg | 3 2mm | In Stock | £42.95 ex VAT £51.54 inc VAT |
Technical Data Sheet
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 ER 100S-G TIG Filler Wire - High Strength Low-Temperature Steel - 5kg (1.6-3.2mm Dia.) Get in touch
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