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ASTM A36 Carbon Steel vs. SAE-AISI 1025 Steel

Both ASTM A36 carbon steel and SAE-AISI 1025 steel are iron alloys. Their average alloy composition is basically identical. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A36 carbon steel and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
17 to 28
Fatigue Strength, MPa 200
190 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
290 to 310
Tensile Strength: Ultimate (UTS), MPa 480
450 to 500
Tensile Strength: Yield (Proof), MPa 290
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 14
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 44
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
170 to 470
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
16 to 18
Strength to Weight: Bending, points 17
17 to 18
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 16
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.26
0.22 to 0.28
Iron (Fe), % 99.25 to 100
99.03 to 99.48
Manganese (Mn), % 0
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.050
0 to 0.050