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ACI-ASTM CA40 Steel vs. SAE-AISI 1132 Steel

Both ACI-ASTM CA40 steel and SAE-AISI 1132 steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10
14 to 18
Fatigue Strength, MPa 460
240 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 910
640 to 720
Tensile Strength: Yield (Proof), MPa 860
350 to 590

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 750
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1500
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
51
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
19
Embodied Water, L/kg 100
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
330 to 940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 33
23 to 25
Strength to Weight: Bending, points 27
21 to 23
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 33
19 to 22

Alloy Composition

Carbon (C), % 0.2 to 0.4
0.24 to 0.34
Chromium (Cr), % 11.5 to 14
0
Iron (Fe), % 81.5 to 88.3
97.8 to 98.3
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.040
0.080 to 0.13