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ACI-ASTM CG6MMN Steel vs. SAE-AISI 1045 Steel

Both ACI-ASTM CG6MMN steel and SAE-AISI 1045 steel are iron alloys. They have 58% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG6MMN steel and the bottom bar is SAE-AISI 1045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
13 to 18
Fatigue Strength, MPa 260
220 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 670
620 to 680
Tensile Strength: Yield (Proof), MPa 320
330 to 580

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 68
18
Embodied Water, L/kg 180
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 260
300 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
22 to 24
Strength to Weight: Bending, points 22
21 to 22
Thermal Shock Resistance, points 14
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.060
0.43 to 0.5
Chromium (Cr), % 20.5 to 23.5
0
Iron (Fe), % 51.9 to 62.1
98.5 to 99
Manganese (Mn), % 4.0 to 6.0
0.6 to 0.9
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
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
Vanadium (V), % 0.1 to 0.3
0