86L20 is a low-carbon alloy with added lead to improve machinability. Beyond machinability, this carburizing alloy is known for its toughness and ductility, due to the added nickel, although its ductility is low at elevated temperatures. 86L20 also contains chromium and molybdenum, which contribute to its good case hardness and wear resistance. The combination of toughness, ductility, hardness, and wear resistance makes 86L20 an exceptional choice for demanding applications that need hardness and ductility.
King Steel carries 86L20 cold-drawn rounds, flats, round corner squares, hexes, octagons, and round edge flats in a variety of sizes and diameters.
Common Applications:
| Chemical Properties | |
|---|---|
| Carbon | 0.18-0.23 |
| Manganese | 0.70-0.90 |
| Silicon | 0.15-0.35 |
| Nickel | 0.40-0.70 |
| Molybdenum | 0.15-0.25 |
| Chromium | 0.40-0.60 |
| Phosphorus | 0.035 (max) |
| Sulfur | 0.040 (max) |
| Lead | 0.15-0.35 |







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