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BÖHLER CM 2-IG TIG rod: Böhler Welding TIG rods in an R20 box, coppered
Böhler Welding, TIG rod, creep-resistant CrMo steels

BÖHLER CM 2-IG TIG rod

EN ISO classification21952-A W CrMo2Si
AWS classificationA5.28 ER90S-G
Shielding gasI1: 100 % argon
ApprovalsTÜV (1564), CE, (ø 2.4 mm; ø 3.0 mm)
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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 CM 2-IG TIG rod is used for

BÖHLER CM 2-IG is a low-alloy, creep resistant TIG rod. It works in power plant, on superheaters, headers and pressure pipework in chromium molybdenum steels.

Base materials include 1.7380, 10CrMo9-10, 1.7276, 1.7281, 16CrMo9-3, 1.7383 and 11CrMo9-10. The deposit resists creep at elevated temperature.

  • Classification EN ISO: 21952-A W CrMo2Si
  • AWS classification: A5.28 ER90S-G
  • Shielding gas: I1
  • Diameters: 1.0 / 1.2 / 1.6 / 2.0 / 2.4 / 3.0 mm
  • Approvals: TÜV (1564), CE, (ø 2.4 mm; ø 3.0 mm)

Watch the hydrogen level, dry consumables and a preheated groove are your basic protection against cold cracking. Grind the tungsten tip along its axis and hold a short arc, otherwise the pool spreads. Protect the root when you weld from one side, an oxidised underside spoils the corrosion resistance. Match the diameter to the material thickness and the welding position, thinner rods are easier to control out of position.

Manufacturer datasheet

Chemical composition and properties from the manufacturer datasheet

Datasheet PDF

Typical weld metal values from the voestalpine Böhler Welding data sheet, issue 08/2023. 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.-%
CSiMnCrMo
0,070,61,02,551,0
Welding data and approvals
Polaritydirect current, electrode negative (DC-)
Shielding gas to EN ISO 14175I1
ApprovalsTÜV (01564),CE
Datasheet edition08/2023
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
s 510 (min. 500) 640 (min. 620) 23 (min. 18) 180 (min. 120)
  • s: heat treated, 720 °C/ 2 h / furnace down to 300 °C / air, shielding gas Argon
Fits

For which materials and machines

Base materials
  • 1.7380
  • 10CrMo9-10
  • 1.7276
  • 1.7281
  • 16CrMo9-3
  • 1.7383
  • 11CrMo9-10
  • 1.7379
  • G17CrMo9-10
  • 1.7382
  • G19CrMo9-10
  • ASTM A 182
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

Consumables with the same classification

Same material group, matching classification, a shared diameter and the same shielding gas. Confirm any substitute for your WPS in the documentation.

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