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ACI-ASTM CA15 Steel vs. SAE-AISI 1141 Steel

Both ACI-ASTM CA15 steel and SAE-AISI 1141 steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15 steel and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
11 to 17
Fatigue Strength, MPa 370
270 to 430
Poisson's Ratio 0.28
0.29
Reduction in Area, % 34
34 to 39
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 700
740 to 810
Tensile Strength: Yield (Proof), MPa 570
400 to 700

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
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
12

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
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 820
430 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
26 to 29
Strength to Weight: Bending, points 23
23 to 25
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 26
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.15
0.37 to 0.45
Chromium (Cr), % 11.5 to 14
0
Iron (Fe), % 81.8 to 88.5
97.7 to 98.2
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