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ACI-ASTM CA6N Steel vs. SAE-AISI 1025 Steel

Both ACI-ASTM CA6N steel and SAE-AISI 1025 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 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
17 to 28
Fatigue Strength, MPa 640
190 to 280
Poisson's Ratio 0.28
0.29
Reduction in Area, % 57
45 to 57
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 1080
450 to 500
Tensile Strength: Yield (Proof), MPa 1060
250 to 420

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
52
Thermal Expansion, µm/m-K 9.9
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 35
18
Embodied Water, L/kg 110
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
170 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
16 to 18
Strength to Weight: Bending, points 30
17 to 18
Thermal Diffusivity, mm2/s 6.1
14
Thermal Shock Resistance, points 40
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.060
0.22 to 0.28
Chromium (Cr), % 10.5 to 12.5
0
Iron (Fe), % 77.9 to 83.5
99.03 to 99.48
Manganese (Mn), % 0 to 0.5
0.3 to 0.6
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 to 0.050