The austenitised components are quenched to a temperature close to the martensite starting point to ensure temperature equalisation between surface and core. This allow a martensitic formation being as uniform as possible during further cooling. Furthermore, for austempering the AS salts are the best choice as these assure the best attainable toughness.
| Product | Application | Working temp. in °C |
| AS 140 | For austempering, martempering, tempering and blueing. Not suitable for components which are heated above 950 °C or treated in a bath containing more than 13 % KCN. | 160 – 550 |
| AS 220 | For austempering, martempering, tempering and blueing. Not suitable for components which are heated above 950 °C or treated in a bath containing more than 13 % KCN. | 250 – 550 |
| AS 235 | Nontoxic salt, Not suitable for components which are heated above 950 °C or treated in a bath containing more than 13 % KCN. | 280 – 550 |
| AS 300 | Nontoxic salt. Not suitable for components which are heated above 950 °C or treated in a bath containing more than 13 % KCN. | 340 – 550 |
| GS 430 | For quenching and tempering parts which are austenitised at temperatures above 950 °C. | 500 – 700 |
| Product | Application |
| HYDRODUR® | Additive for improved water quenching performance, gives components silver grey appearance. At 70 °C the maximum cooling rate is approx. 50 % higher than water. |
| HYDRODUR® GF | Nontoxic additive for improved water quenching performance. At 70 °C the maximum cooling rate is approx. 25 % higher than water. |
| HYDRODUR® 20 | Additive for improved water quenching performance, gives components slightly dark appearance. At 70 °C the maximum cooling rate is approx. 50 % higher than water. |
| Product | Application |
| DUROSORB | For sprinkling on waste salts to prevent the release of ordour. |
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