D&H 535
DOWNLOAD SPECS
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Hardfacing Electrodes

D&H 535

  •  A heavy coated, hydrogen controlled, all conventional position electrode depositing low alloy weld metal.
  • The electrode gives soft & smooth arc which is easy to strike & re-strike.
  • Superior operating characteristics with easy slag detachability.
  • The welds are of radiographic quality.
  • For surfacing of hot forging dies.
  • For repairs of large hot working dies and earth moving equipments made of high tensile steel.
  • Repair of case hardening steel parts after removing the hard zones, for repairing cracks in Ni-Cr hot working dies.
Precaution

1. Ensure the electrodes are dry. Re-dry the electrodes at 250°C for one hour.

2. When welding on high hardenable materials of large thicknesses, adequate care for preheating, slow cooling & PWHT are necessary.

3. Use short arc & minimum weaving.

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSi 

Cr 

NiMoV
Percent
0.091.550.452.802.251.200.30


MECHANICAL PROPERTIES OF ALL WELD METAL

WELD METAL HARDNESS (ON 3 LAYERS):

After SR 560 C for one hour: 36-39 RC

CURRENT AND PACKING DATA: AC / DC(+)


Size (mm)
8x450
6.3x450
5x450
4x450
Current Range (Amps)
300-350
250-280
200-250
150-180
Weight / Carton (kgs)
5
55
5


Hardfacing Electrodes

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