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ACI-ASTM CG6MMN Steel vs. SAE-AISI 8630 Steel

Both ACI-ASTM CG6MMN steel and SAE-AISI 8630 steel are iron alloys. They have 59% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 8630 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
12 to 24
Fatigue Strength, MPa 260
260 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 670
540 to 680
Tensile Strength: Yield (Proof), MPa 320
360 to 560

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
410
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
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.5
Embodied Energy, MJ/kg 68
20
Embodied Water, L/kg 180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
78 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 260
340 to 840
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
19 to 24
Strength to Weight: Bending, points 22
19 to 22
Thermal Shock Resistance, points 14
18 to 23

Alloy Composition

Carbon (C), % 0 to 0.060
0.28 to 0.33
Chromium (Cr), % 20.5 to 23.5
0.4 to 0.6
Iron (Fe), % 51.9 to 62.1
96.8 to 97.9
Manganese (Mn), % 4.0 to 6.0
0.7 to 0.9
Molybdenum (Mo), % 1.5 to 3.0
0.15 to 0.25
Nickel (Ni), % 11.5 to 13.5
0.4 to 0.7
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040
Vanadium (V), % 0.1 to 0.3
0