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SAE-AISI 1064 Steel vs. ACI-ASTM CH20 Steel

Both SAE-AISI 1064 steel and ACI-ASTM CH20 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 1064 steel and the bottom bar is ACI-ASTM CH20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 13
38
Fatigue Strength, MPa 300
290
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 720 to 730
610
Tensile Strength: Yield (Proof), MPa 470 to 480
350

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
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
14
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.3

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 19
53
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 81
200
Resilience: Unit (Modulus of Resilience), kJ/m3 600 to 630
300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 26
22
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 25
15

Alloy Composition

Carbon (C), % 0.6 to 0.7
0 to 0.2
Chromium (Cr), % 0
22 to 26
Iron (Fe), % 98.4 to 98.9
54.7 to 66
Manganese (Mn), % 0.5 to 0.8
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 to 0.050
0 to 0.040