ISO 16120-2 Grade C78D

ISO 16120-2 Grade C78D introduction

Non-alloy steel wire rod for drawing and/or cold rolling for general purpose wire rod (e.g. application for springs, steel wire).

Equivalent material: GB C78D, GB U53782, IS IS1835, IS IS7904, ISO C78D, JIS SWRH77A, JIS SWRH77B, DIN D78-2, IS nan, KS HSWR77A, DIN 1.0620, DIN D 78-2, DIN C78D, AFNOR C78D, BS C78D, AISI 1075, SAE 1075, JIS SWRH77, EN 1.0620, GB/T C78D, GB/T U53782, UNS G10750

ISO 16120-2 Grade C78D general

Property Temperature Value Comment
Density 23.0 °C Density of 7.8 - 7.9 g/cm³ Typical for High Carbon Steel

ISO 16120-2 Grade C78D thermal

Property Temperature Value Comment
Coefficient of thermal expansion 23.0 °C Coefficient of thermal expansion of 1.32E-5 1/K Typical for High Carbon Steel
Max service temperature - Max service temperature of 500 °C Typical for Carbon Steel
Melting point - Melting point of 1289 - 1478 °C Typical for High Carbon Steel
Specific heat capacity 23.0 °C Specific heat capacity of 486 J/(kg·K) Typical for High Carbon Steel
Thermal conductivity 23.0 °C Thermal conductivity of 36 W/(m·K) Typical for High Carbon Steel

ISO 16120-2 Grade C78D chemical

Property Value
Aluminium Aluminium of 0.01 %
Carbon Carbon of 0.75 - 0.8 %
Chromium Chromium of 0.15 %
Copper Copper of 0.25 %
Manganese Manganese of 0.5 - 0.8 %
Molybdenum Molybdenum of 0.05 %
Nickel Nickel of 0.2 %
Phosphorus Phosphorus of 0.03 - 0.04 %
Silicon Silicon of 0.1 - 0.3 %
Sulfur Sulfur of 0.03 - 0.035 %

ISO 16120-2 Grade C78D electrical

Property Temperature Value Comment
Electrical resistivity 23.0 °C Electrical resistivity of 1.43E-7 - 1.74E-7 Ω·m Typical for Carbon Steel

ISO 16120-2 Grade C78D mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 200 - 215 GPa Typical for High Carbon Steel
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for High Carbon Steel
Shear modulus 23.0 °C Shear modulus of 81 GPa Typical for High Carbon Steel

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