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ASTM A36 Carbon Steel vs. SAE-AISI 1151 Steel

Both ASTM A36 carbon steel and SAE-AISI 1151 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 1151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
11 to 17
Fatigue Strength, MPa 200
260 to 410
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 300
430 to 480
Tensile Strength: Ultimate (UTS), MPa 480
710 to 800
Tensile Strength: Yield (Proof), MPa 290
390 to 660

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
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
10
Electrical Conductivity: Equal Weight (Specific), % IACS 14
12

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
18
Embodied Water, L/kg 44
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
86 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 220
400 to 1170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
25 to 28
Strength to Weight: Bending, points 17
22 to 24
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 16
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.26
0.48 to 0.55
Iron (Fe), % 99.25 to 100
98.3 to 98.7
Manganese (Mn), % 0
0.7 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.050
0.080 to 0.13