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ACI-ASTM CA6N Steel vs. ACI-ASTM CD6MN Steel

Both ACI-ASTM CA6N steel and ACI-ASTM CD6MN steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6N steel and the bottom bar is ACI-ASTM CD6MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
28
Fatigue Strength, MPa 640
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 1080
730
Tensile Strength: Yield (Proof), MPa 1060
510

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
16
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.5
3.4
Embodied Energy, MJ/kg 35
48
Embodied Water, L/kg 110
170

Common Calculations

PREN (Pitting Resistance) 12
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
180
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
650
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
26
Strength to Weight: Bending, points 30
23
Thermal Diffusivity, mm2/s 6.1
4.4
Thermal Shock Resistance, points 40
20

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.060
Chromium (Cr), % 10.5 to 12.5
24 to 27
Iron (Fe), % 77.9 to 83.5
62.1 to 70.1
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 6.0 to 8.0
4.0 to 6.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.040