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Thermanit 20/16 SM solid MIG/MAG wire: Böhler Welding wire on a B300 spool, uncoppered
Thermanit, solid MIG/MAG wire, stainless and acid-resistant steels

Thermanit 20/16 SM solid MIG/MAG wire

EN ISO classification14343-A G Z 22 17 8 4 N L
Shielding gasM12: Ar with CO2 added (up to 5 %), M13: Ar with O2 added (up to 3 %)
ApprovalsWIWEB, DNV, 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 Thermanit 20/16 SM solid MIG/MAG wire is used for

Thermanit 20/16 SM is a high-alloyed austenitic stainless solid wire. It is used on process plant, heat exchangers, sanitary structures and parts exposed to corrosion.

Among the parent materials it covers 1.3948, 1.3951, 1.3952, 1.3957, 1.5662, X8Ni9 and 1.3964. The wire also serves for cladding carbon steel surfaces and goes into shipbuilding and vessel repair, with an austenitic deposit.

  • Classification EN ISO: 14343-A G Z 22 17 8 4 N L
  • Shielding gas: M12, M13
  • Diameters: 1.0 / 1.2 / 1.5 mm
  • Approvals: WIWEB, DNV, CE

Use brushes and discs kept only for stainless steel, carbon steel particles cause rust staining on the face. Match the drive rolls to the wire diameter and check the liner, wire slip shows up at once in an unstable arc. Watch the wire stick-out from the contact tip, too long a one lowers the arc voltage and worsens the fusion.

Manufacturer datasheet

Chemical composition and properties from the manufacturer datasheet

Datasheet PDF

Typical weld metal values from the voestalpine Böhler Welding data sheet, issue 03/2025. 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.-%
CSiMnCrNiMoN
0,030,77,322,218,03,60,24
Welding data and approvals
Polaritydirect current, electrode positive (DC+)
Shielding gas to EN ISO 14175M12
ApprovalsDNV (M12: TAW00005US / M22: TAW000018J_2), WIWeB
Datasheet edition03/2025
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 -196 °C
u1 430 640 30 - -
u2 430 670 30 70 27
  • u1: Untreated, as-welded, shielding gas M22
  • u2: Untreated, as-welded, shielding gas M12 (ArHeC 15/2)
Fits

For which materials and machines

Base materials
  • 1.3948
  • 1.3951
  • 1.3952
  • 1.3957
  • 1.5662
  • X8Ni9
  • 1.3964
  • 1.4569
  • UNS S20910
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