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BÖHLER Ni 1-IG TIG rod: Böhler Welding TIG rods in an R20 box, coppered
Böhler Welding, TIG rod, low-temperature Ni steels

BÖHLER Ni 1-IG TIG rod

EN ISO classification636-A W Z3Ni1
AWS classificationA5.28 / SFA-5.28 ER80S-G [ER80S-Ni1 (mod.)]
Shielding gasI1: 100 % argon
ApprovalsTÜV (12808), CE
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Authorised distributorvoestalpine Böhler Welding
Courier shippingfrom the warehouse in Krotoszyn
Data sheetcomposition, properties, specifications
Wire selectionhelp from a welding engineer
Manufacturer data sheet
Application Specifications Manufacturer datasheet Fits Substitute Bought together
Application

What BÖHLER Ni 1-IG TIG rod is used for

BÖHLER Ni 1-IG is a TIG rod for welding low-temperature nickel steels. It is used on liquefied gas tanks, cryogenic installations and refrigeration equipment.

TIG gives you full control over the heat input and a clean, smooth weld. The rod suits root runs, thin walls and welds that need a smooth face.

  • Classification EN ISO: 636-A W Z3Ni1
  • AWS classification: A5.28 / SFA-5.28 ER80S-G [ER80S-Ni1 (mod.)]
  • Shielding gas: I1
  • Diameters: 0.8 / 1.2 / 1.6 / 2.0 / 2.4 / 3.2 mm
  • Approvals: TÜV (12808), CE

Run narrow beads without wide weaving, so the weld keeps its fine grained structure. Keep the rod inside the gas shield even after you lift it from the pool, a cold oxidised end will contaminate the next drop. Set the gas post-flow long enough for the pool and the electrode to cool under the shield. Thinner diameters suit root runs and thin sheet, thicker ones suit filling.

Manufacturer datasheet

Chemical composition and properties from the manufacturer datasheet

Datasheet PDF

Typical weld metal values from the voestalpine Böhler Welding data sheet, issue 06/2026. The minimum or the range guaranteed by the maker is given in brackets. The figures depend on the heat treatment condition and the shielding gas stated in the row and do not replace testing the joint to your own WPS.

Chemical composition, wt.-%
CSiMnNi
0,070,71,40,9
Welding data and approvals
Polaritydirect current, electrode negative (DC-)
Shielding gas to EN ISO 14175I1
ApprovalsTÜV (12808), CE
Datasheet edition06/2026
Mechanical properties of the all-weld metal, typical values
Condition Yield strength Re, MPa Tensile strength Rm, MPa Elongation A, % Impact energy KV, J at 20 °C Impact energy KV, J at -50 °C
u 500 (min. 460) 600 (range 550 to 640) 25 (min. 20) 150 (min. 80) 47
  • u: untreated, as welded, shielding gas Argon
Fits

For which materials and machines

Base materials
  • S275NL-S460NL
  • S275M-S460M
  • S275ML-S460ML
  • P355N
  • P355NH
  • P460N
  • P460NH
  • P275NL1-P460NL1
  • P275NL2- P460NL2
  • L360NB
  • L415NB
  • L360MB-L450MB
Process and machines

TIG rod, works on any sound machine for this process: welders. Shielding gas: I1: 100 % argon.

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Technical substitute

A substitute for this consumable

We will find a substitute with the same classification, diameter and shielding gas over the phone: +48 669 162 833.

From the same group

Other consumables for the same material

For comparison before you buy. A technical substitute is listed above.

All: TIG welding rods