When thick, large workpieces or those with low hardenability are quenched with conventional oils, issues such as soft spots, low hardness, and insufficient hardened layer depth are common. KR128 Fast Quenching Oil, with a faster cooling rate than similar quenching oils, effectively eliminates these problems. It provides high and uniform surface hardness and ensures sufficient hardened layer depth, making it ideal for challenging quenching applications.
Advantages
● Short vapor film phase, fast high and medium-temperature cooling rates, and appropriate low-temperature cooling rate;
● Suitable for medium to large workpieces, achieving high and uniform surface hardness and sufficient hardening depth, while effectively controlling quenching deformation;
● Good thermal oxidation stability and long service life; stable performance, low oil carry-off, and low usage cost.
| Model | KR128 |
| Flash Point Model (open.C)≥ | 180 |
| Max Cooling Rate (℃/s.60℃) | 95 |
| Kinematic Viscosity (40℃) mm~/s | 20.0-30.0 |
| Operating Temperaturee(℃) | 40-80 |
| Application Range | Suitable for quenching medium-sized low-carbon alloy steel, carburized steel, tool steel, spring steel parts, such as gears, ge ar shafts, molds, spring washers, and connecting rods; suitabl e for multi-purpose, continuous, and mesh belt furnaces. |
Products that have passed factory inspection should be used within two years. If the product is not used within this period, it must be re-inspected and pass the quality test before use.
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