DIN 1.7734-6

DIN 1.7734-6

DIN 1.7734-6 introduction

Alloy 15CDV6 (1.7734) can be easily welded without further localised heat treatment. It exhibits high yield strength as well as good toughness.

Equivalent material: 1.7734, 1.7734.6, DIN 15CrMoV69, DIN 1.7734.6, DIN 1.7734.4, AFNOR 15CrMoV6, AFNOR 15CDV6, UNI 15CrMoV6, EN 15CrMoV69, EN 1.7734

DIN 1.7734-6 general

Property Temperature Value Comment
Density 23.0 °C Density of 7.8 g/cm³ typical value

DIN 1.7734-6 thermal

Property Temperature Value Comment
Coefficient of thermal expansion 23.0 °C Coefficient of thermal expansion of 1.1E-5 - 1.4E-5 1/K Typical for Chromium Molybdenum Steel
Melting point - Melting point of 1382 - 1529 °C Typical for Chromium Molybdenum Steel
Specific heat capacity 23.0 °C Specific heat capacity of 448 - 502 J/(kg·K) Typical for Chromium Molybdenum Steel
Thermal conductivity 23.0 °C Thermal conductivity of 36 - 43 W/(m·K) Typical for Chromium Molybdenum Steel

DIN 1.7734-6 chemical

Property Value Comment
Carbon Carbon of 0.12 - 0.18 % -
Chromium Chromium of 1.25 - 1.5 % -
Iron -
Manganese Manganese of 0.8 - 1.1 % -
Molybdenum Molybdenum of 0.8 - 1 % -
Phosphorus Phosphorus of 0.02 % max.
Silicon Silicon of 0.2 % max.
Sulfur Sulfur of 0.015 % max.
Vanadium Vanadium of 0.2 - 0.3 % -

DIN 1.7734-6 mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 190 - 210 GPa typical value
Elongation 23.0 °C Elongation of 10 % -
Hardness, Brinell 23.0 °C Hardness, Brinell of 321 - 363 [-] in annealed condition: 197
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] typical value
Tensile strength 23.0 °C Tensile strength of 1080 - 1250 MPa -
Yield strength 23.0 °C Yield strength of 930 MPa -

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