ASTM A709 Grade 345 Type 3

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 1021, 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, UNS G10200, IS EN275A, IS E275B, DIN 1.0143, DIN St 44-3 U, DIN Fe 430 C, DIN S275J0, AFNOR E 28-3, AFNOR S275J0, BS 43 C, BS S275J0, AISI 290A, AISI 450A, SAE 290A, SAE 450A, JIS SM400B, JIS E275C, EN S275J0, EN Fe 430 C, EN 1.0143, ISO S275C, UNS K02702

ASTM A709 Grade 345 Type 3 general

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

ASTM A709 Grade 345 Type 3 thermal

Property Value Comment
Coefficient of thermal expansion Coefficient of thermal expansion of 1.32e-05 - 1.38e-05 1/K Typical for Low Carbon Steel
Max service temperature Max service temperature of 297.7 °C Predicted Value, Long
- 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 Specific heat capacity of 465 J/(kg·K) Typical for Low Carbon Steel
Thermal conductivity Thermal conductivity of 25 - 93 W/(m·K) Typical for Low Carbon Steel

ASTM A709 Grade 345 Type 3 chemical

Property Value Related Standards Shape
Carbon Carbon of 0.23 % ASTM A709 Plate, Bar
Manganese Manganese of 1.35 % ASTM A709 Plate, Bar
Niobium Niobium of 0.005 - 0.05 % ASTM A709 Plate, Bar
Phosphorus Phosphorus of 0.03 % ASTM A709 Plate, Bar
Silicon Silicon of 0.4 % ASTM A709 Plate, Bar
Sulfur Sulfur of 0.03 % ASTM A709 Plate, Bar
Vanadium Vanadium of 0.01 - 0.15 % ASTM A709 Plate, Bar

ASTM A709 Grade 345 Type 3 magnetic

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

ASTM A709 Grade 345 Type 3 electrical

Property Value Comment
Electrical conductivity Electrical conductivity of 7 S/m Predicted Value
Electrical resistivity Electrical resistivity of 1.43e-07 - 1.74e-07 Ω·m Typical for Carbon Steel

ASTM A709 Grade 345 Type 3 mechanical

Property Value Related Standards Shape Comment
Elastic modulus Elastic modulus of 200 - 215 GPa - - Typical for Low Carbon Steel
Elongation Elongation of 15.8 % - - Predicted Value, A200
- Elongation of 18.9 % - - Predicted Value, A80
- Elongation of 19.3 % - - Predicted Value, Transverse
- Elongation of 19.7 % - - Predicted Value, A80 Transverse
- Elongation of 21 % ASTM A709 Plate, Bar A50
- Elongation of 23.9 % - - Predicted Value
Poisson's ratio Poisson's ratio of 0.29 [-] - - Typical for Low Carbon Steel
Reduction of area Reduction of area of 43.3 % - - Predicted Value, Transverse
- Reduction of area of 44.2 % - - Predicted Value
Shear modulus Shear modulus of 82 GPa - - Typical for Low Carbon Steel
Shear strength Shear strength of 507.7 MPa - - Predicted Value
Tensile strength Tensile strength of 450 MPa ASTM A709 Plate, Bar -

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