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AISI 1025 Steel, turned, ground, and polished, 19-32 mm (0.75-1.25 in) round
Categories: Metal; Ferrous Metal; Carbon Steel; AISI 1000 Series Steel; Low Carbon Steel

Material Notes: Machinability and weldability are fair. Cold formability of these steels is good to excellent. This grade responds favorably to heat treating and cold work.

Key Words: UNS G10250, AMS 5075, AMS 5077, ASTM A29, ASTM A510, ASTM A512, ASTM A519, ASTM A575, ASTM A576, FED QQ-S-700 (G10250), MIL-S-11310 (CS1025), MIL-S-7952, MIL-S-7952A, MIL-T-3520, MIL-T-5066, SAE J403, SAE J412, SAE J414, DIN 1.1158, JIS S 25 C, JIS S 28 C
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Physical PropertiesOriginal ValueComments
Density 7.858 g/ccChemical composition of 0.23% C, 0.635% Mn, 0.11% Si, annealed at 925°C
 
Mechanical PropertiesOriginal ValueComments
Hardness, Brinell 143
Hardness, Knoop 163Converted from Brinell
Hardness, Rockwell B 78Converted from Brinell
Hardness, Vickers 149Converted from Brinell
Tensile Strength, Ultimate 460 MPa
Tensile Strength, Yield 310 MPa
Elongation at Break 36 %
Reduction of Area 56 %
Modulus of Elasticity 200 GPaTypical for steel
Bulk Modulus 160 GPaTypical for steel.
Poissons Ratio 0.29Typical For Steel
Machinability 50 %Based on 100% machinability for AISI 1212 steel.
Shear Modulus 80.0 GPaTypical for steel.
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000159 ohm-cm
@Temperature 0.000 °C
annealed specimen
 0.0000219 ohm-cm
@Temperature 100 °C
annealed specimen
 0.0000292 ohm-cm
@Temperature 200 °C
annealed specimen
 0.0000487 ohm-cm
@Temperature 400 °C
annealed specimen
 0.0000758 ohm-cm
@Temperature 600 °C
annealed specimen
 0.0000925 ohm-cm
@Temperature 700 °C
annealed specimen
 0.0001094 ohm-cm
@Temperature 800 °C
annealed specimen
 0.0001136 ohm-cm
@Temperature 900 °C
annealed specimen
 0.0001167 ohm-cm
@Temperature 1000 °C
annealed specimen
 0.0001194 ohm-cm
@Temperature 1100 °C
annealed specimen
 0.0001219 ohm-cm
@Temperature 1200 °C
annealed specimen
 0.0001239 ohm-cm
@Temperature 1300 °C
annealed specimen
 
Thermal PropertiesOriginal ValueComments
CTE, linear 12.1 µm/m-°C
@Temperature 20.0 - 100 °C
 12.8 µm/m-°C
@Temperature 20.0 - 200 °C
 13.3 µm/m-°C
@Temperature 20.0 - 300 °C
 13.9 µm/m-°C
@Temperature 20.0 - 400 °C
 14.4 µm/m-°C
@Temperature 20.0 - 500 °C
 14.8 µm/m-°C
@Temperature 20.0 - 600 °C
Specific Heat Capacity 0.486 J/g-°C
@Temperature >=100 °C
annealed
 0.519 J/g-°C
@Temperature 150 - 200 °C
 0.532 J/g-°C
@Temperature 200 - 250 °C
 0.557 J/g-°C
@Temperature 250 - 300 °C
 0.574 J/g-°C
@Temperature 300 - 350 °C
 0.599 J/g-°C
@Temperature 350 - 400 °C
 0.662 J/g-°C
@Temperature 450 - 500 °C
 0.749 J/g-°C
@Temperature 550 - 600 °C
 0.846 J/g-°C
@Temperature 650 - 700 °C
 0.950 J/g-°C
@Temperature 750 - 800 °C
 1.432 J/g-°C
@Temperature 700 - 750 °C
Thermal Conductivity 26.1 W/m-K
@Temperature 800 °C
 31.8 W/m-K
@Temperature 700 °C
 35.6 W/m-K
@Temperature 600 °C
 39.4 W/m-K
@Temperature 500 °C
 42.7 W/m-K
@Temperature 400 °C
 46.0 W/m-K
@Temperature 300 °C
 49.0 W/m-K
@Temperature 200 °C
 51.2 W/m-K
@Temperature 100 °C
 51.9 W/m-K
@Temperature 0.000 °C
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 0.22 - 0.28 %
Iron, Fe 99.03 - 99.48 %As remainder
Manganese, Mn 0.30 - 0.60 %
Phosphorus, P <= 0.040 %
Sulfur, S <= 0.050 %

References for this datasheet.

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