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SAE-AISI 1212 Steel vs. ACI-ASTM CA15 Steel

Both SAE-AISI 1212 steel and ACI-ASTM CA15 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 SAE-AISI 1212 steel and the bottom bar is ACI-ASTM CA15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 180
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 28
21
Fatigue Strength, MPa 200 to 290
370
Poisson's Ratio 0.29
0.28
Reduction in Area, % 39 to 51
34
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 440 to 620
700
Tensile Strength: Yield (Proof), MPa 260 to 460
570

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
750
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 18
28
Embodied Water, L/kg 46
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 64 to 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 560
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 22
25
Strength to Weight: Bending, points 16 to 20
23
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 14 to 20
26

Alloy Composition

Carbon (C), % 0 to 0.13
0 to 0.15
Chromium (Cr), % 0
11.5 to 14
Iron (Fe), % 98.5 to 99.07
81.8 to 88.5
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0.070 to 0.12
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0.16 to 0.23
0 to 0.040