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For the convenience of working with Zladinox composite styles, blanks are provided with recommendations for heat treatment and chemical etching (pattern detection).
Specifications of high-carbon compounded steel ZD-0805 (7ХНМ-Х6ВФ)
Designation: for manufacturing blades of knives with high cutting and working properties.
Type of delivery: band or square according to the dimensions of the customer.
Hardness of steel after thermal treatment
| State on delivery, cycles of heating | HRC (НВ) |
|
Annealing: beating from v< 30 degress/hour to 840 C°, cooling with furnace from i<30 degress/hour to 500-600 C°, air. |
187-228 |
|
Heat treatments: 900-940 C°, oil. Tempering 150-180 C°. 1,5 hour, air. |
- |
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Isothermal quenching: 830-850 C°, molten salt 320-330 C°. Tempering 330 C°. 1,5 hour, air. |
58-62 |
Technological properties
The temperature of forging, C°: beginning 1100, finish 800.
Composition and cycle of etching
5% solution of nitric acid in water for 5-10 minutes, followed by neutralization in a 10% solution of soda ash in water.5% solution of nitric acid for 5-10 minutes, followed by neutralization in a 10% solution of soda ash in water.
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