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Union I CrMo 910 Spezial solid MIG/MAG wire: Böhler Welding wire on a BS300 spool, coppered
Union, solid MIG/MAG wire, creep-resistant CrMo steels

Union I CrMo 910 Spezial solid MIG/MAG wire

EN ISO classification21952-A G CrMo2Si
AWS classificationA5.28 / SFA-5.28 ER90S-G [ER90S-B3(mod.)]
Shielding gasC1: 100 % CO2, M1: Ar with a small addition of CO2 or O2, M2: Ar with 5 to 25 % CO2, M3: Ar with 25 to 50 % CO2 or O2
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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 I CrMo 910 Spezial solid MIG/MAG wire is used for

Union I CrMo 910 Spezial is a low-alloyed, creep resistant solid wire. It suits welding CrMo steels in boiler, pressure vessel and petrochemical plant construction.

The wire suits hand work with a semiautomatic torch and mechanised stations. The deposit stands up to creep at elevated temperature, on boilers, steam lines, refinery plant and parts working in the heat.

  • Classification EN ISO: 21952-A G CrMo2Si
  • AWS classification: A5.28 / SFA-5.28 ER90S-G [ER90S-B3(mod.)]
  • Shielding gas: M1, M3, C1

Plan the preheating and the post weld heat treatment to the WPS for the grade in hand, CrMo steels harden in the heat affected zone. Watch the wire stick-out from the contact tip, too long a one lowers the arc voltage and worsens the fusion. Set the gas flow so the pool is covered over the whole length of the bead, and shield the station when you work in wind. A change of shielding mixture changes the character of the arc, so it is worth a test piece before production.

Manufacturer datasheet

Chemical composition and properties from the manufacturer datasheet

Datasheet PDF

Typical weld metal values from the voestalpine Böhler Welding data sheet, issue 06/2021. 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
0,090,550,902,551,00
Welding data and approvals
Polaritydirect current, electrode positive (DC+)
Shielding gas to EN ISO 14175M1
Datasheet edition06/2021
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
u 460 570 20 65
  • u: untreated, as welded, shielding gas M21
Fits

For which materials and machines

Base materials
  • 1.7380 – 10CrMo9-10
  • 1.7383 – 11CrMo9-10
  • 1.7379 – G17CrMo9-10
  • A 213 Gr. T22
  • A 217 Gr. WC9
  • A 234 Gr. WP22
  • A 335 Gr. P22
  • A 336 Gr. F22
  • A 426 Gr. CP22
Process and machines

Solid MIG/MAG wire, works on any sound machine for this process: welders. Shielding gas: C1: 100 % CO2, M1: Ar with a small addition of CO2 or O2, 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