Vanadis 8 Steel

Vanadis 8 Steel

Steel name: Vanadis 8
Diagram No.: 2195
Chemical composition in weight %: 2.30% C, 0.40% Si, 0.40% Mn, 4.80% Cr, 3.60% Mo, 8.00% V
Steel group: PM cold work tool steels
Properties: No data
Applications: No data
Reference: Not shown in this demo version.

Heat Treatment
Hardening: Pre-heating temperature: First pre-heating at 600–650°C (1110–1200°F) and second at 850–900°C (1560–1650°F). Austenitizing temperature: 1020–1180°C (1870– 2160°F). Holding time: 30 minutes for hardening temperatures up to 1100°C (2010°F), 15 minutes for temperatures higher than 1100°C (2010°F). Quenching media: Vacuum (high speed gas at sufficient overpressure minimum 2 bar). Martempering bath or fluidized bed at 200–550°C (390–1020°F). Forced air/gas.
Tempering: Choose the tempering temperature according to the hardness required by reference to the tempering graph. Temper at least twice with intermediate cooling to room temperature. For highest dimensional stability and ductility, a minimum temperature of 540°C (1000°F) and three tempers is strongly recommended. Tempering at a lower temperature than 540°C (1000°F) may increase the hardness and compressive strength to some extent but also impair cracking resistance and dimensional stability. However, if lowering the tempering temperature, do not temper below 520°C (970°F). When tempering twice the minimum holding time at temperature is 2 hours. When tempering three times the minimum holding time is 1 hour.
Diagram note: The tempering curves are obtained after heat treatment of samples with a size of 15 x 15 x 40 mm, cooling in forced air. Lower hardness can be expected after heat treatment of tools and dies due to factors like actual tool size and heat treatment parameters.

Tempering Diagram

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