MakeItFrom.com
Menu (ESC)

ACI-ASTM CA6N Steel vs. SAE-AISI 1140 Steel

Both ACI-ASTM CA6N steel and SAE-AISI 1140 steel are iron alloys. They have 81% 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 ACI-ASTM CA6N steel and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
14 to 18
Fatigue Strength, MPa 640
230 to 370
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
39 to 46
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 1080
600 to 700
Tensile Strength: Yield (Proof), MPa 1060
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 740
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
51
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 35
18
Embodied Water, L/kg 110
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
310 to 870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
21 to 25
Strength to Weight: Bending, points 30
20 to 22
Thermal Diffusivity, mm2/s 6.1
14
Thermal Shock Resistance, points 40
18 to 21

Alloy Composition

Carbon (C), % 0 to 0.060
0.37 to 0.44
Chromium (Cr), % 10.5 to 12.5
0
Iron (Fe), % 77.9 to 83.5
98.4 to 98.9
Manganese (Mn), % 0 to 0.5
0.7 to 1.0
Nickel (Ni), % 6.0 to 8.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.020
0.080 to 0.13