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ACI-ASTM CA6NM Steel vs. SAE-AISI 1008 Steel

Both ACI-ASTM CA6NM steel and SAE-AISI 1008 steel are iron alloys. They have 82% 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 ACI-ASTM CA6NM steel and the bottom bar is SAE-AISI 1008 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
93 to 100
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
22 to 33
Fatigue Strength, MPa 380
150 to 220
Poisson's Ratio 0.28
0.29
Reduction in Area, % 40
50 to 63
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 850
330 to 370
Tensile Strength: Yield (Proof), MPa 620
190 to 310

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
400
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
62
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 34
18
Embodied Water, L/kg 110
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
78 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
92 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
12 to 13
Strength to Weight: Bending, points 26
13 to 15
Thermal Diffusivity, mm2/s 6.7
17
Thermal Shock Resistance, points 31
10 to 12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.1
Chromium (Cr), % 11.5 to 14
0
Iron (Fe), % 78.4 to 84.6
99.31 to 99.7
Manganese (Mn), % 0 to 1.0
0.3 to 0.5
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 3.5 to 4.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050