MasterWeld HF900 is a hard facing electrode designed for applications on ferrous metals involving friction and severe abrasion, also where certain heat and corrosive conditions apply.
The electrode is of the rutile chromium carbide all positional type and has a metal recovery rate of 150%.
Ideal for foundry sand mill blades, impellor worms, screws, etc., also bucket edges and digger teeth in conjunction with MasterWeld E307-16 being used as a buttering layer.
Typical All Weld Metal Chemical Analysis
C Mn Si Ni Cr Mo
4.40 0.77 0.30 <0.01 34.2 0.04
Typical All Weld Deposit Hardness
62-65
Rockwell C
800-900
Vickers
Current
AC/DC (+) (AC minimum 70 volts open circuit)
Sizes Available and Recommended Amperages
3.2mm 4.0mm 5.0mm
90-130 130-170 170-220
Storage
If allowed to become damp the electrodes should be re-dried for one hour at 150°C before use.
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MasterWeld HF900 4mm Hardfacing Welding Rods (4kg)
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