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SAE-AISI 1146 Steel vs. ACI-ASTM CH10 Steel

Both SAE-AISI 1146 steel and ACI-ASTM CH10 steel are iron alloys. They have 61% 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 SAE-AISI 1146 steel and the bottom bar is ACI-ASTM CH10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 17
34
Fatigue Strength, MPa 240 to 400
180
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 670 to 730
540
Tensile Strength: Yield (Proof), MPa 360 to 630
230

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 18
53
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 97
150
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 1050
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 26
19
Strength to Weight: Bending, points 22 to 23
19
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 20 to 22
12

Alloy Composition

Carbon (C), % 0.42 to 0.49
0 to 0.1
Chromium (Cr), % 0
22 to 26
Iron (Fe), % 98.3 to 98.8
54.8 to 66
Manganese (Mn), % 0.7 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
12 to 15
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0.080 to 0.13
0 to 0.040