Specification :

Electrode Cigweld Cobalarc 650

Basic type manual arc welding electrode.
Resistant to hard particle abrasion and moderate impact loading.
Air hardening, crack free, martensitic steel deposit
Developed in Australia

Description and Applications:
Cobalarc 650 is a basic type electrode for the hard
surfacing of steel components subjected to wet or dry hard
particle abrasion and low to moderate impact loading. The
air hardening, low alloy steel deposit of Cobalarc 650
remains crack free on most steels under normal welding
conditions and is therefore recommended for hard
surfacing components subject to flexing during service.
The basic flux coating gives excellent resistance to rust,
mill scale, dirt and oil on the surface being hardfaced.
Typical applications include the surfacing of agricultural
points, shares and tynes, grader and dozer blades, conveyor
screws and post hole augers etc.

Typical all weld deposit analysis:
C: 0.58% Mn: 1.1% Si: 0.6%
Cr: 5.3% Mo: 0.25%

Typical weld deposit hardness:
HRC HV30
Single Layer on Mild Steel 55 600
All Weld Metal Deposit 57 640

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