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ASTM A36 Carbon Steel vs. SAE-AISI 1074 Steel

Both ASTM A36 carbon steel and SAE-AISI 1074 steel are iron alloys. They have a very high 99% of their average alloy composition in common. 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 1074 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
11 to 14
Fatigue Strength, MPa 200
290 to 350
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 300
440 to 490
Tensile Strength: Ultimate (UTS), MPa 480
740 to 820
Tensile Strength: Yield (Proof), MPa 290
450 to 570

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
50
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 14
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 44
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 220
550 to 860
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
26 to 29
Strength to Weight: Bending, points 17
23 to 25
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 16
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.26
0.7 to 0.8
Iron (Fe), % 99.25 to 100
98.3 to 98.8
Manganese (Mn), % 0
0.5 to 0.8
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