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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 ZDI-1407 (50Х14МФ-У8А)
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< 100 degress/hour to 850-970 C°, cooling with furnace from i<50 degress/hour to 500-600 C°, air |
(207-255) |
Heat treatments: 780-800 C°, oil. Tempering to 200 C°. 1,5 hour, air |
58-62 |
Isothermal quenching: 1030-1050 C°, molten salt 320-330 C°. Tempering 330 C°, 30 min, air |
50-54 |
Technological properties
The temperature of forging, C°: beginning 1150, finish 850.
Composition and cycle of etching
30% solution of sulfuric acid in water for 40-60 minutes or 5% solution of nitric acid in water for 5-10 minutes.
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