
Functions & Features
- TIG welding filler ER70S-G3 steel & ER307Si stainless steel & ER4043Si5 aluminum.
- High alloy, corrosion resistant and work hardening. (stainless steel)
- Corrosion resistant, insensitive to hot cracks and ideal for cast aluminum. (Aluminum)
- High quality welding accessories for your welding work.
- Viscous molten bath and good controllability.
- High chemical purity: C: 0.09%, Si: 0.85%, Mn: 1.45% (steel)
- High chemical purity: C: 0.08%, Si: 0.85%, Mn: 7%, Ni: 8%, Cr 18% (stainless steel)
- High chemical purity: Si: 5%, Al: 95% (aluminum)
- Length: 500mm
- Diameter: 2.4mm (stainless steel/aluminum) / 2.5mm (steel)
- Standards: DIN EN ISO 636-A, W 46 5 / W3Si 1 / AWS A-5.18, ER 70S-6 (steel)
- Standards: DIN EN ISO 14343-A, W 18 8 Mn S AWS A-5.9, ER 307 Si (stainless steel)
- Standards: DIN EN ISO 18273, S Al 4043A (AlSi5 (A)) AWS A-5.10, ER 4043 (Aluminum)
Technische Daten
Lieferumfang
- TIG welding rods STAHLWERK ER70S-G3 Steel / Ø 2,5 x 500 mm / 1 kg
- TIG welding rods STAHLWERK ER307Si Stainless Steel / Ø 2,4 x 500 mm / 1 kg
- TIG welding rods STAHLWERK ER4043Si5 Aluminum / Ø 2,4 x 500 mm / 1 kg
- Storage box
Note for our United Kingdom customers:
Please note that import duties and United Kingdom Import VAT apply to goods valued at £135 or more. Customs will only release the delivery once the customs duties have been paid.
Therefore, please note the delivery status by checking the tracking number.

Standards | DIN EN ISO 636-A, W 46 5 / W3Si 1 | ||||||
AWS A-5.18, ER 70S-6 | |||||||
Material number, 1.5125 | |||||||
Welding positions | PA / PB / PC / PE | ||||||
Polarity | DC- | ||||||
Ø wire | 2,5 mm | ||||||
Chemical analysis |
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Welding current | DC- | ||||||
Yield strength, Rp 0.2% | =420 MPa | ||||||
Expansion, A5 | =22 % | ||||||
Tensile strength, Rm | =500 MPa | ||||||
Impact energy, Av | -50 °C, =47 J, 20 °C, =100 J | ||||||
Approvals | TÜV / DB | ||||||
Length | 500 mm | ||||||
Weight | 1 kg | ||||||
Materials | S185 - S275JR, S355JO - S335, S255N - S355N, P235GH, P265GH, P310GH |
- Technical data:
- Note: - Untreated low strength value
- Technical data:
- Scope of delivery: - TIG Welding Rods STAHLWERK ER70S-G3 Steel / Ø 2,5 x 500 mm / 1 kg
High-alloy TIG welding rod.
Suitable for dissimilar joints and buffer layers.
High quality welding accessories for your welding work.
Excellent welding characteristics thanks to high Si content.
Standards | DIN EN ISO 14343-A, W 18 8 Mn Si | ||||||||||
AWS A-5.9, ER 307 Si | |||||||||||
Material number | 1.4370 | ||||||||||
Welding positions | PA / PB / PC / PE | ||||||||||
Polarity | DC- | ||||||||||
Ø wire | 2,4 mm | ||||||||||
Chemical analysis |
|
||||||||||
Welding current | DC- | ||||||||||
Yield strength, Rp 0.2% | =450 MPa | ||||||||||
Expansion, A5 | =42 % | ||||||||||
Tensile strength, Rm | =650 MPa | ||||||||||
Impact energy, Av | 20 °C, =120 J, -80 °C,=60 J | ||||||||||
Approvals | TÜV / DB | ||||||||||
Length | 500 mm | ||||||||||
Weight | 1 kg | ||||||||||
Materials | 1.3401, Difficult to weld steel, tool steel, spring steel, manganese steel, case-hardened steel, black/white connections |
ER4043 Si5 Aluminum
TIG welding rod, aluminum.
5% silicon.
Resistant to hot cracks.
Main areas of use are welds on cast aluminum.
- Not suitable for subsequent anodisation
Standards | DIN EN ISO 18273, S Al 4043A (AlSi5(A)) | ||||
AWS A-5.10, ER 4043 | |||||
Material number | 3.2245 | ||||
Welding positions | PA / PB / PC / PD / PE / PF | ||||
Polarity | AC | ||||
Ø wire | 2,4 mm | ||||
Chemical analysis |
|
||||
Welding current | DC- | ||||
Yield strength, Rp 0.2% | =450 MPa | ||||
Expansion, A5 | =42 % | ||||
Tensile strength, Rm | =650 MPa | ||||
Impact energy, Av | 20 °C, =120 J, -80 °C,=60 J | ||||
Approvals | TÜV / DB | ||||
Length | 500 mm | ||||
Weight | 0,8 kg | ||||
Materials | 1.3401, Difficult to weld steel, tool steel, spring steel, manganese steel, case-hardened steel, black/white connections |
- TIG Welding Rods STAHLWERK ER307-Si Stainless Steel / Ø 2,4 x 500 mm / 1 kg.
- TIG Welding Rods STAHLWERK ER4043 Si5 Aluminum / Ø 2,4 x 500 mm / 0,8 kg



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