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ACI-ASTM CG6MMN Steel vs. S82012 Stainless Steel

Both ACI-ASTM CG6MMN steel and S82012 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 27 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 S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
40
Fatigue Strength, MPa 260
480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 670
800
Tensile Strength: Yield (Proof), MPa 320
560

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1080
950
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.4
Embodied Energy, MJ/kg 68
35
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 34
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
290
Resilience: Unit (Modulus of Resilience), kJ/m3 260
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Shock Resistance, points 14
23

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.050
Chromium (Cr), % 20.5 to 23.5
19 to 20.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 51.9 to 62.1
71.3 to 77.9
Manganese (Mn), % 4.0 to 6.0
2.0 to 4.0
Molybdenum (Mo), % 1.5 to 3.0
0.1 to 0.6
Nickel (Ni), % 11.5 to 13.5
0.8 to 1.5
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0.16 to 0.26
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050
Vanadium (V), % 0.1 to 0.3
0