COBALTHERME-6 - ECoCr-A
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Hardfacing Electrodes

COBALTHERME-6

AWS: SFA 5.13 ECoCr-A

Cobaltherme-6 is a cobalt based electrode depositing a weld metal having 28Cr-5W-1C. The weld metal possesses excellent resistance to oxidation, impact, corrosion and heat. The electrode operates well in AC as well as DC. There are several applications in which this electrode can be used. This includes overlay, surfacing applications, which requires heat resistance, oxidation resistance in combination with impact and mild abrasion. Typical applications include, shear blades, dies, valve seats, hot metal handling equipments.

Precaution

1. Ensure the electrodes are dry. Re-dry the electrodes at 200°C for one hour before use.

2. Follow a carefully designed welding procedure, which will use preheating only wherever necessary.

3. The post-weld heat treatment is not normally recommended.

4. General precautions like removal of contaminants, dirt to be followed.

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiCrNiMoWCoFe
Percent
1.01.80.9428.02.801.05.0Bal.4.5


MECHANICAL PROPERTIES OF ALL WELD METAL

HARDNESS OF ALL WELD METAL (As Welded, After 3 Layers on Mild Steel): 40-45 HRC

CURRENT AND PACKING DATA: AC/DC (+)


Size (mm)
5x3504x350
3.15x350
Current Range (Amps)
130-190100-150
70-120
Quantity (Carton/kgs)
11
1


Hardfacing Electrodes

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