EskyLosS 6959 Steel

EskyLosS 6959 Steel

Steel name: EskyLosS 6959
Diagram No.: 2617
Mat.No. (Wr.Nr.) designation: 1.6959
DIN designation: 35NiCrMoV12-5
Chemical composition in weight %: 0.30-0.40% C, 0.15-0.55% Si, 0.40-0.90% Mn, 0.80-1.70% Cr, 0.35-0.90% Mo, 3.00-4.00% Ni, 0.05-0.25% V
Steel group: Plastic mould steels
Properties: EskyLos 6959 is a Chromium-Nickel-Molybdenum and Vanadium special pre-hardened alloyed steel, suitable for the production of medium and big sized plastic moulds, up to 500 mm, highly stressed, that need extreme toughness characteristics combined with high hardness through the section.
Applications: EskyLosS 6959 in the pre-hardened condition is suitable for the following applications: Plastic moulding, extrusion.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 850 °C, polymer or water quench.
Tempering: See the diagram.
Diagram note: Tempering curve of a sample which has been austenitised at 850 °C. After tempering we suggest carrying out stress relieving at a temperature lower than 50 °

Tempering Diagram - Mechanical Properties

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Other Steel Data links
Carbides in Steel
CCT and TTT Diagrams of Steels
CCT and TTT Diagram Calculating Service
Hardenability Diagrams of Steels
Hardenability Calculating Service
Macro Defects in Steel
Metal Etchants
Non-Metallic Inclusions in Steel
Semiconductor Etchants

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