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

Both ACI-ASTM CD6MN steel and ACI-ASTM CA6N 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 CD6MN steel and the bottom bar is ACI-ASTM CA6N steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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