Flux cored wire recommended for hardfacing of elements exposed to very high impact and medium abrasion.
The build-up weld is hard, smooth, resistant to distortion and impact, as well as metal-to-metal wear. It can only be machined by grinding.
It can be used in TIG technology for precision welding of small elements.
Possibility of hardfacing thinner elements with complex shapes.
Structurally martensite with retained austenite and chromium carbides.
Application
Hardfacing of mixer and ship shovels, bucket teeth and grippers of excavators, hammers and crushing jaws, etc.
Base material
Steels
Cast steels
Typical chemical composition %
C
0,49
Si
0,60
Mn
1,6
Cr
5,9
Mo
0,88
Typical mechanical properties
Hardness:
57-62 HRC (after welding)
The hardness of the build-up weld depends on the relevant welding conditions, the number of layers and the chemical composition of the base material
Wire/rod type:
flux cored
Welding current:
Shielding gases acc. to EN ISO 14175:
C1 - 100% CO2
M21 - Ar + 15 - 25% CO2
Remarks:
When hardfacing the base material of easily hardened steels, steels with high carbon content, steels with limited weldability, a buffer layer should be used, e.g. of material type 307.
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