| Product |
Polarity |
Hardness |
Key Uses |
| 800 hs |
AC/DC± |
58-65 |
high speed steels, hot working steels |
| 810 AH |
AC/DC± |
55-60 |
Air hardened tool steels, good abrasion resistance |
| 840 |
AC/DC± |
RC 33-41 |
Pass over pass built up with no cracking or spalling, can be flame cut |
| 845 |
AC/DC+ |
RC 19 hardens to 45 RC |
Manganese frogs and switches, crushers, hammers |
| 850 |
AC/DC+ |
10 RC work hardens to 45 RC |
Joining and overlaying low alloy & manganese steels |
| 855 |
Ac/DC+ |
48-53 RC |
Abrasion accompanied with impact |
| 860 |
AC/DC± |
55-60 RC |
Can be forged - abrasion resistant |
| 865 |
AC/DC+ |
57-61 RC |
Stays hard to 1,000 °F deposit takes a high polish |
| 888 |
torch |
matrix RB 94 carbides RC 77 |
Good for extra abrasion-horse shoes |
| 890 |
AC/DC+ |
63-65 RC |
best on severe abrasion, 240% deposit efficiency |