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diamondspark 52 MC metal-cored wire: Drut spawalniczy Böhler Welding w bębnie basedrum
diamondspark 52 MC metal-cored wire: Drut spawalniczy Böhler Welding na szpuli BS300, miedziowany
diamondspark, flux-cored wire, mild and low-alloy steels

diamondspark 52 MC metal-cored wire

EN ISO classification17632-A T46 4 M M21 1 H5 T46 5 M M20 1 H5
AWS classificationA5.18 / SFA-5.18 E70C-6M H4
Shielding gasM20: Ar with 5 to 15 % CO2, M21: Ar with 15 to 25 % CO2
ApprovalsTÜV (11163), DB (42.052.26), ABS, BV, DNV, CWB, LR, CE
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Authorised distributorvoestalpine Böhler Welding
Shipping in 24 hfrom the warehouse in Krotoszyn
Data sheetcomposition, properties, specifications
Wire selectionhelp from a welding engineer
Manufacturer data sheet
Application Specifications Manufacturer datasheet Fits Bought together
Application

What diamondspark 52 MC metal-cored wire is used for

diamondspark 52 MC is a seamless metal-cored wire for mild steel, with impact toughness down to minus 40 degrees C. It is used on steel structures, tanks, machine frames and workshop work on plain carbon steel.

Base materials include S235JR, S355JR, S235JO, S355JO, S450JO, S235J2 and S355J2. The seamless sheath protects the core against moisture even after long storage, the wire welds in all positions, and the impact toughness is confirmed down to minus 40 degrees C.

  • Classification EN ISO: 17632-A T46 4 M M21 1 H5 T46 5 M M20 1 H5
  • AWS classification: A5.18 / SFA-5.18 E70C-6M H4
  • Shielding gas: M21, M20
  • Diameters: 1.0 / 1.2 / 1.4 / 1.6 / 2.4 mm
  • Approvals: TÜV (11163), DB (42.052.26), ABS, BV, DNV, CWB, LR, CE

On heavier sections and in a cold workshop plan the preheating, so that the risk of cold cracking stays down.

Manufacturer datasheet

Chemical composition and properties from the manufacturer datasheet

Datasheet PDF

Typical all-weld metal values from the voestalpine Böhler Welding datasheet, edition 03/2025. Manufacturer minimum in brackets. Values depend on the heat treatment condition and shielding gas given for each row and do not replace testing of your joint according to your WPS.

Welding data and approvals
Polaritydirect current, electrode positive (DC+)
Shielding gas to EN ISO 14175M2
ApprovalsTÜV (11163), DB (42.052.26), ABS, BV, DNV, CWB, LR, CE
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 -40 °C Impact energy KV, J at -46 °C Impact energy KV, J at -50 °C
u 490 (min. 460) 600 (min. 550 do 660) 28 (min. 22) 95 (min. 47) 85 (min. 27) -
u1 500 (min. 460) 610 (min. 550 do 660) 27 (min. 22) 85 70 (min. 27) 60 (min. 47)
s1 450 550 27 100 - -
  • u: as welded, shielding gas M21
  • u1: as welded, shielding gas M20
  • s1: stress relieved, 580 °C /2 hrs, shielding gas M20, M21
Fits

For which materials and machines

Base materials
  • S235JR
  • S355JR
  • S235JO
  • S355JO
  • S450JO
  • S235J2
  • S355J2
  • S275N
  • S460N
  • S275M
  • S460M
  • P235GH
Process and machines

Flux-cored wire, works on any sound machine for this process: welders. Shielding gas: M20: Ar with 5 to 15 % CO2, M21: Ar with 15 to 25 % CO2.

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From the same group

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All: Flux-cored wires