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diamondspark DMO BC flux-cored wire: Böhler Welding wire on a BS300 spool, coppered
diamondspark, flux-cored wire, creep-resistant CrMo steels

diamondspark DMO BC flux-cored wire

EN ISO classification17634-A T Mo B M21 3 H5
AWS classificationA5.29 / SFA-5.29 E80T5-GM-H4
Shielding gasM21: Ar with 15 to 25 % CO2
ApprovalsTÜV (12254), 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 diamondspark DMO BC flux-cored wire is used for

diamondspark DMO BC is a seamless, creep resistant flux-cored wire of the basic type, alloyed with about 0.5 % Mo.

Among the parent materials it covers S235JR, S355JR, P195TR1, P265TR1, L245NB, L415NB and L450QB. The seamless make keeps the hydrogen level in the weld low, the wire does well on pipe welding, fill passes included, and the deposit stands up to creep at elevated temperature.

  • Classification EN ISO: 17634-A T Mo B M21 3 H5
  • AWS classification: A5.29 / SFA-5.29 E80T5-GM-H4
  • Shielding gas: M21
  • Diameters: 1.2 mm
  • Approvals: TÜV (12254), 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. 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.-%
CSiMnMo
gas M210,080,351,000,50
Welding data and approvals
Polaritydirect current, electrode positive (DC+)
Shielding gas to EN ISO 14175M2
ApprovalsTÜV (12254), 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 Impact energy KV, J at -40 °C Impact energy KV, J at -60 °C
u 520 (min. 470) 600 (range 550 to 680) 24 (min. 22) 210 150 130 (min. 47)
s 490 (min. 470) 580 (range 550 to 680) 26 (min. 22) 190 140 120 (min. 47)
  • u: untreated, as welded, shielding gas M21
  • s: stress relieved 620°C / 3h, shielding gas M21
Fits

For which materials and machines

Base materials
  • S235JR
  • S355JR
  • P195TR1
  • P265TR1
  • L245NB
  • L415NB
  • L450QB
  • L245MB
  • L450MB
  • ASTM A 29
  • API 5 L
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