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ACI-ASTM CD6MN Steel vs. SAE-AISI 1137 Steel

Both ACI-ASTM CD6MN steel and SAE-AISI 1137 steel are iron alloys. They have 67% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD6MN steel and the bottom bar is SAE-AISI 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
11 to 17
Fatigue Strength, MPa 370
250 to 400
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 730
700 to 760
Tensile Strength: Yield (Proof), MPa 510
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 48
19
Embodied Water, L/kg 170
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 650
360 to 1130
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
25 to 27
Strength to Weight: Bending, points 23
22 to 24
Thermal Diffusivity, mm2/s 4.4
14
Thermal Shock Resistance, points 20
21 to 23

Alloy Composition

Carbon (C), % 0 to 0.060
0.32 to 0.39
Chromium (Cr), % 24 to 27
0
Iron (Fe), % 62.1 to 70.1
97.8 to 98.3
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.040
0.080 to 0.13