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ACI-ASTM CA15M Steel vs. SAE-AISI 12L14 Steel

Both ACI-ASTM CA15M steel and SAE-AISI 12L14 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 CA15M steel and the bottom bar is SAE-AISI 12L14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
11 to 25
Fatigue Strength, MPa 330
190 to 290
Poisson's Ratio 0.28
0.29
Reduction in Area, % 34
39 to 51
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 690
440 to 620
Tensile Strength: Yield (Proof), MPa 510
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
51
Thermal Expansion, µm/m-K 10
12

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
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
1.4
Embodied Energy, MJ/kg 29
18
Embodied Water, L/kg 100
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
64 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 670
180 to 560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
15 to 22
Strength to Weight: Bending, points 22
16 to 20
Thermal Diffusivity, mm2/s 7.2
14
Thermal Shock Resistance, points 25
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 11.5 to 14
0
Iron (Fe), % 82.1 to 88.4
97.9 to 98.7
Lead (Pb), % 0
0.15 to 0.35
Manganese (Mn), % 0 to 1.0
0.85 to 1.2
Molybdenum (Mo), % 0.15 to 1.0
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0.040 to 0.090
Silicon (Si), % 0 to 0.65
0
Sulfur (S), % 0 to 0.040
0.26 to 0.35