SAE J403 Grade 1021

Equivalent material: DIN 1.0044, DIN St 44-2, DIN S275JR, AFNOR S275JR, BS 43/25HR, BS 43/25HS, BS 43B, AISI 1021, AISI 1020, SAE 1020, JIS SS400, JIS STAM390G, JIS SNR400A, JIS SNR400B, JIS SNR490B, JIS SKK400, JIS SKY400, JIS STKM19C, JIS STKR400, JIS EN275A, JIS E275B, EN S275JR, EN 1.0044, ISO S275JR, ISO EN275A, ISO EN275B, GOST St4ps, GOST St4sp, GB/T Q255A, ASTM Grade 2, ASTM Grade 345 Type 1, ASTM Grade 345 Type 2, ASTM Grade 345 Type 3, UNS G10200, IS EN275A, IS E275B, ASTM Grade B, ASTM Grade 1020

SAE J403 Grade 1021 general

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

SAE J403 Grade 1021 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

SAE J403 Grade 1021 chemical

Property Value
Aluminium Aluminium of 0.02 %
Carbon Carbon of 0.18 - 0.23 %
Chromium Chromium of 0.02 %
Copper Copper of 0.02 %
Iron balance
Manganese Manganese of 0.6 - 0.9 %
Molybdenum Molybdenum of 0.02 %
Nickel Nickel of 0.02 %
Niobium Niobium of 0.08 %
Phosphorus Phosphorus of 0.03 %
Silicon Silicon of 0.02 %
Sulfur Sulfur of 0.035 %
Titanium Titanium of 0.08 %
Vanadium Vanadium of 0.08 %

SAE J403 Grade 1021 magnetic

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

SAE J403 Grade 1021 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

SAE J403 Grade 1021 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

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