BS 4360 Grade 43A Hot Rolled

BS 4360 Grade 43A Hot Rolled introduction

BS 4360 Grade 43A was withdrawn and superceded by BS EN 10025 S275. This grade is a popular low carbon steeel grade and is suitable for a large number of engineering applications. Its low price make it suitable for different applications such as building and machinery constructions when wear-resistant and high strength is not a requirement.

Equivalent material: BS EN 10025, DIN 1.0419, DIN RSt44-2, DIN RSt 44-2, AFNOR 14-13-12E, AISI 1018, SAE 1018, JIS SWRCH18A, JIS SWRCH18K, JIS SWRCH16A, JIS SWRCH16K, JIS SWRCH19A, EN S275, EN 1.0419, GOST St 3-sp, GOST St3sp, GB ML3, ASTM 1018, ASTM Grade 1018, UNS G10180, IS 15C8

BS 4360 Grade 43A Hot Rolled general

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

BS 4360 Grade 43A Hot Rolled thermal

Property Temperature Value Comment
Coefficient of thermal expansion 23.0 °C Coefficient of thermal expansion of 1.32E-5 - 1.38E-5 1/K Typical for Low Carbon Steel
Max service temperature - Max service temperature of 500 °C Typical for Carbon Steel
Melting point - Melting point of 1480 - 1526 °C Typical for Low Carbon Steel
Specific heat capacity 23.0 °C Specific heat capacity of 465 J/(kg·K) Typical for Low Carbon Steel
Thermal conductivity 23.0 °C Thermal conductivity of 25 - 93 W/(m·K) Typical for Low Carbon Steel

BS 4360 Grade 43A Hot Rolled chemical

Property Value
Carbon Carbon of 0.25 - 0.3 %
Molybdenum Molybdenum of 1.5 - 1.6 %
Phosphorus Phosphorus of 0.5 - 0.6 %
Silicon Silicon of 0.5 - 0.55 %
Sulfur Sulfur of 0.5 - 0.6 %

BS 4360 Grade 43A Hot Rolled magnetic

Property Value Comment
Curie temperature Curie temperature of 770 °C Typical for Low Carbon Steel

BS 4360 Grade 43A Hot Rolled 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

BS 4360 Grade 43A Hot Rolled mechanical

Property Temperature Value Comment
Elastic modulus 23.0 °C Elastic modulus of 200 - 215 GPa Typical for Low Carbon Steel
Poisson's ratio 23.0 °C Poisson's ratio of 0.29 [-] Typical for Low Carbon Steel
Shear modulus 23.0 °C Shear modulus of 82 GPa Typical for Low Carbon Steel
Tensile strength 23.0 °C Tensile strength of 430 - 510 MPa -
Yield strength 23.0 °C Yield strength of 240 - 245 MPa For thickness up to 20mm

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