BS 970-1 Grade 070M20 Normalized
BS 970-1 Grade 070M20 Normalized introduction
BS970 Grade 070M20 is a general purpose low carbon steel with low strength but good machinability.
Equivalent material: AISI 1023, SAE 1023, 1.0402, DIN 1.0402, DIN C22, AFNOR C22, BS C22, UNI C21, UNI C20, SS 1450, UNE F.112, AISI 1020, AISI 1022, SAE 1020, SAE 1022, JIS S20C, JIS S22C, EN C22, EN 1.0402, ISO C22, GOST 20, GB 20, GB/T 15, GB/T U20152, GB/T Grade 20, ASTM Grade 1020, UNS G10200, UNS G10220, DIN 1.1151, DIN Ck22, DIN C22E, AFNOR C22E, AFNOR XC18, AFNOR XC25, BS C22E, BS En3A, BS En3C, BS 22CS, BS 22HS, BS 055M15, BS En2, BS CS22, SAE 1023, JIS S20CK, EN C22E, EN 1.1151, ISO S20C, ISO CE20E4, ISO C22E, GB U20202, GB/T 20G, GB/T U50207, GB/T 20Z-III, GB/T 20, GB/T U20202, GB/T U50204, UNS G10230
BS 970-1 Grade 070M20 Normalized general
Property |
Temperature |
Value |
Comment |
Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Low Carbon Steel |
BS 970-1 Grade 070M20 Normalized 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 970-1 Grade 070M20 Normalized chemical
Property |
Value |
Carbon |
Carbon of 0.16 - 0.24 % |
Chromium |
Chromium of 0.3 % |
Iron |
Balance |
Manganese |
Manganese of 0.5 - 0.9 % |
Molybdenum |
Molybdenum of 0.15 % |
Nickel |
Nickel of 0.4 % |
Phosphorus |
Phosphorus of 0.05 % |
Silicon |
Silicon of 0.1 - 0.4 % |
Sulfur |
Sulfur of 0.05 % |
BS 970-1 Grade 070M20 Normalized magnetic
Property |
Value |
Comment |
Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
BS 970-1 Grade 070M20 Normalized 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 970-1 Grade 070M20 Normalized mechanical
Property |
Temperature |
Value |
Comment |
Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Low Carbon Steel |
Elongation |
23.0 °C |
Elongation of 21 % |
- |
Hardness, Brinell |
23.0 °C |
Hardness, Brinell of 126 - 179 [-] |
- |
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 MPa |
- |
Yield strength |
23.0 °C |
Yield strength of 215 MPa |
- |
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