diamondspark, flux-cored wire, creep-resistant CrMo steels

diamondspark DCMV BC flux-cored wire

EN ISO classification17634-A T Z B M21 3 H5
AWS classificationA5.29 / SFA-5.29 E90T5-GM-H4
Shielding gasM21: Ar with 15 to 25 % CO2
ApprovalsTÜV (0961), 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

What diamondspark DCMV BC flux-cored wire is used for

diamondspark DCMV BC is a seamless, creep resistant flux-cored wire of the basic type, alloyed with chromium, molybdenum and vanadium.

It is used on grades such as 1.7706 and G17CrMoV5-10. The seamless make limits moisture pickup by the core and keeps the hydrogen level in the weld low, and the deposit stands up to creep in power generation, on superheaters, headers and pressure piping in chromium molybdenum steel.

  • Classification EN ISO: 17634-A T Z B M21 3 H5
  • AWS classification: A5.29 / SFA-5.29 E90T5-GM-H4
  • Shielding gas: M21
  • Diameters: 1.2 mm
  • Approvals: TÜV (0961), CE

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. Take care of degassing and a clean groove, basic slag will not forgive oily edges. Keep the wire in a dry store and use an opened pack promptly, a basic core is sensitive to moisture.

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.-%
CSiMnCrNiMoV
gas M210,100,501,101,200,400,900,20
Welding data and approvals
Polaritydirect current, electrode positive (DC+)
Shielding gas to EN ISO 14175M2
ApprovalsTÜV (0961), 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
s 680 (min. 540) 750 (range 620 to 760) 19 100 (min. 47)
  • s: stress relieved 690°C / 6 h, shielding gas M21
Fits

For which materials and machines

Base materials
  • 1.7706
  • G17CrMoV5-10
Process and machines

Flux-cored wire, works on any sound machine for this process: welders. Shielding gas: M21: Ar with 15 to 25 % CO2.

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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: Flux-cored wires