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Thermanit MTS 911 solid MIG/MAG wire: Böhler Welding wire on a BS300 spool, coppered
Thermanit, solid MIG/MAG wire, creep-resistant CrMo steels

Thermanit MTS 911 solid MIG/MAG wire

EN ISO classification21952-A GZ CrMoWVNb 9 1 1
AWS classificationA5.28 / SFA-5.28 ER90S-G
Shielding gasM12: Ar with CO2 added (up to 5 %), M13: Ar with O2 added (up to 3 %)
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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 Thermanit MTS 911 solid MIG/MAG wire is used for

Thermanit MTS 911 is a low-alloyed, creep resistant solid wire. It suits welding CrMo steels on boilers, steam lines, refinery plant and parts working at elevated temperature.

Typical parent materials are 1.4901 and ASTM A213. The deposit stands up to creep at elevated temperature, and the wire works in power generation, on superheaters, headers and pressure piping in chromium molybdenum steel.

  • Classification EN ISO: 21952-A GZ CrMoWVNb 9 1 1
  • AWS classification: A5.28 / SFA-5.28 ER90S-G
  • Shielding gas: M12, M13
  • Diameters: 1.2 mm

Do not break off welding and do not let the joint cool below the interpass temperature before the fill is finished. 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. Check the contact tip, a worn bore upsets the wire feed and causes burnback. The gas choice affects the shape of the face and the amount of spatter, so keep to the mixture given in the classification.

Manufacturer datasheet

Chemical composition and properties from the manufacturer datasheet

Datasheet PDF

Typical weld metal values from the voestalpine Böhler Welding data sheet, issue 05/2021. 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.-%
CSiMnCrNiMoWV
0,10,30,590,51,010,2
Welding data and approvals
Polaritydirect current, electrode positive (DC+)
Shielding gas to EN ISO 14175M1
Datasheet edition05/2021
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
s 620 (min. 560) 760 (min. 720) 18 (min. 15) 60 (min. 41)
  • s: heat treated, tempered (760 °C / 4 h / Argon + 2.5 % CO2)
Fits

For which materials and machines

Base materials
  • 1.4901
  • ASTM A213
Process and machines

Solid MIG/MAG wire, works on any sound machine for this process: welders. Shielding gas: M12: Ar with CO2 added (up to 5 %), M13: Ar with O2 added (up to 3 %).

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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