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Union MoNi solid MIG/MAG wire: Böhler Welding wire in a basedrum
Union, solid MIG/MAG wire, high-strength steels

Union MoNi solid MIG/MAG wire

EN ISO classification16834-A G 62 5 M21 Mn3Ni1Mo
AWS classificationA5.28 / SFA-5.28 ER90S-G
Shielding gasC1: 100 % CO2, M2: Ar with 5 to 25 % CO2, M3: Ar with 25 to 50 % CO2 or O2
ApprovalsTÜV (00926), DB (42.132.09), DNV, WIWEB, VG 95132-1, 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 Union MoNi solid MIG/MAG wire is used for

Union MoNi is a low-alloyed, high-strength solid wire. It suits welding quenched and tempered high-strength steels in machine building, crane structures and commercial vehicles.

It joins grades such as S460N, S460M, S460NL, S460ML, S460Q, S555Q and S460QL together with their equivalents, fed continuously from the feeder and welded under shielding gas.

  • Classification EN ISO: 16834-A G 62 5 M21 Mn3Ni1Mo
  • AWS classification: A5.28 / SFA-5.28 ER90S-G
  • Shielding gas: M2, M3, C1
  • Diameters: 0.8 / 1.0 / 1.2 / 2.0 mm
  • Approvals: TÜV (00926), DB (42.132.09), DNV, WIWEB, VG 95132-1, CE

Keep the hydrogen level low: dry consumables, a clean groove and preheating on greater thicknesses. Check the contact tip, a worn bore upsets the wire feed and causes burnback. Match the drive rolls to the wire diameter and check the liner, wire slip shows up at once in an unstable arc. Match the diameter to the thickness and the position, thinner wires are easier to control in constrained positions.

Manufacturer datasheet

Chemical composition and properties from the manufacturer datasheet

Datasheet PDF

Typical weld metal values from the voestalpine Böhler Welding data sheet, issue 12/2022. 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.-%
CSiMnNiMo
0,100,651,551,100,40
Welding data and approvals
Polaritydirect current, electrode positive (DC+)
Shielding gas to EN ISO 14175M2
ApprovalsTÜV (00926), DB (42.132.09), DNV, WIWEB, VG 95132-1, CE
Datasheet edition12/2022
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 -40 °C Impact energy KV, J at -50 °C
u1 600 (min. 550) 680 (min. 640) 22 (min. 20) 100 (min. 80) 65 (min. 47) -
u2 690 (min. 620) 750 (min. 700) 20 (min. 18) 130 (min. 100) - 80 (min. 47)
  • u1: untreated, as welded, shielding gas CO2
  • u2: untreated, as welded, shielding gas M21
Fits

For which materials and machines

Base materials
  • S460N
  • S460M
  • S460NL
  • S460ML
  • S460Q
  • S555Q
  • S460QL
  • S550QL
  • S460QL1
  • S550QL1
  • P460NH
  • P460NL1
Process and machines

Solid MIG/MAG wire, works on any sound machine for this process: welders. Shielding gas: C1: 100 % CO2, M2: Ar with 5 to 25 % CO2, M3: Ar with 25 to 50 % CO2 or O2.

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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: Solid MIG/MAG wires