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Weld Star A31 TIG Filler Wire - Heat-Resisting 0.5% Mo - 5kg (ER 80S-D2) - 1.0mm to 3.2mm Dia.

3010300279 Weld Star In Stock Fast Dispatch
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£49.33 ex VAT
£59.20 inc VAT
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  • Material: Copper-coated heat-resisting wire enriched with 0.5% molybdenum
  • Pack Size: 5kg
  • Rod Diameter: 1.0mm – 3.2mm
  • AWS Code: ER 80S-D2
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Weld Star – A31 TIG Wire is a copper-coated, heat-resisting wire enriched with 0.5% molybdenum. Designed for welding carbon and low-alloy steels, this wire ensures high-quality weld deposits and an impeccable bead appearance.

Features and Benefits

  • Heat Resistant: Suitable for applications with recommended working temperatures of up to 500°C.
  • High-Quality Welds: Provides excellent weld quality and bead appearance on carbon and low-alloy steels.
  • Stable Arc: Suitable for operating at high currents, ensuring a stable arc with minimal spatter.
  • Versatile Applications: Ideal for use on creep steels in various sectors including steam boilers, pressure tanks, gas pipes, shipbuilding, petrochemicals, heat exchangers, cranes, bridges, and more.
  • Quality Production: Manufactured using virgin raw materials from specialized steel mills, guaranteeing consistent quality and reliability.

Common Applications

  • Steam Boilers & Pressure Tanks: Ideal for the construction of steam boilers and pressure tanks.
  • Petrochemical Industry: Used in the petrochemical sector for various applications.
  • Shipbuilding: Suitable for shipbuilding applications.
  • Infrastructure: Used in the construction of cranes, bridges, and other infrastructure projects.

Typical Base Materials

P235G1TH, P255G1TH, P310GH, 16Mo3, A255, A350, A612, A210, A333, A316, A369, A106 (Illustrative, not exhaustive list).

EN ISO636-A – W Z2Mo
AWS A5 28 – ER 80S-D2
C% 0.09
Si% 0.70
Mn% 1.90
P% <0.150
S% <0.150
Cu% <0.25
Cr% <0.15
Ni% <0.10
Mo% 0.50
Al% <0.200
V% <0.030
Zr+Ti% <0.50
Tensile Strength 670 MPa
Yield Strength 550 MPa
Elongation 24%
Impact Strength 70 J
Test Temperature -30°C

Mechanical properties are approximate and may vary based on the heat, shielding gas, welding parameters and other factors

EN ISO 14175 – TIG I1 (Argon)
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 1.0mm ·
AWS Classification ER 80S-D2
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  
3010300279 5kg 1 0mm In Stock £49.33 ex VAT £59.20 inc VAT
3010300280 5kg 1 2mm In Stock £49.33 ex VAT £59.20 inc VAT
3010300281 5kg 1 6mm In Stock £49.33 ex VAT £59.20 inc VAT
3010300283 5kg 2 4mm In Stock £49.33 ex VAT £59.20 inc VAT
3010300284 5kg 3 2mm In Stock £49.33 ex VAT £59.20 inc VAT

Technical Data Sheet

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A 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.

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Weld Star A31 TIG Filler Wire - Heat-Resisting 0.5% Mo - 5kg (ER 80S-D2) - 1.0mm to 3.2mm Dia. Weld Star A31 TIG Filler Wire - Heat-Resisting 0.5% Mo - 5kg (ER 80S-D2) - 1.0mm to 3.2mm Dia.
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