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BÖHLER Q T 307 TIG rod: Böhler Welding TIG rods in an R20 box, coppered
Böhler Welding, TIG rod, stainless and acid-resistant steels

BÖHLER Q T 307 TIG rod

EN ISO classification14343-A W 18 8 Mn
AWS classificationA5.9 / SFA-5.9 ER307 (mod.)
Shielding gasI1: 100 % argon
ApprovalsTÜV (19791), DB (43.132.87), 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 BÖHLER Q T 307 TIG rod is used for

BÖHLER Q T 307 is a high alloyed austenitic stainless TIG rod for special applications. It is used on process installations, heat exchangers, sanitary structures and parts exposed to corrosion.

The rod suits root runs, thin walls and welds that need a smooth face. Its deposit has an austenitic structure that resists corrosion, and typical work covers tanks, process installations and equipment in contact with water and steam.

  • Classification EN ISO: 14343-A W 18 8 Mn
  • AWS classification: A5.9 / SFA-5.9 ER307 (mod.)
  • Shielding gas: I1
  • Approvals: TÜV (19791), DB (43.132.87), CE

Use brushes and discs kept only for stainless steel, carbon steel particles cause rust staining on the bead face. Protect the root when you weld from one side, an oxidised underside spoils the corrosion resistance. Keep the rod inside the gas shield even after you lift it from the pool, a cold oxidised end will contaminate the next drop.

Manufacturer datasheet

Chemical composition and properties from the manufacturer datasheet

Datasheet PDF

Typical weld metal values from the voestalpine Böhler Welding data sheet, issue 03/2021. 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.-%
CSiMnCrNi
0,080,87,0199,0
Welding data and approvals
Polaritydirect current, electrode negative (DC-)
Shielding gas to EN ISO 14175I1
ApprovalsTÜV (19791), DB (43.132.87), CE
Datasheet edition03/2021
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 450 (min. 350) 620 (min. 500) 35 (min. 25) 100
Fits

For which materials and machines

Base materials

Material group: stainless and acid-resistant steels. The exact grades and thicknesses are in the manufacturer data sheet, and for an unusual joint call us, we will pick the filler metal.

Process and machines

TIG rod, works on any sound machine for this process: welders. Shielding gas: I1: 100 % argon.

Used welders New welders Ask us to help you choose
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: TIG welding rods