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ACI-ASTM CG6MMN Steel vs. AISI 420F Stainless Steel

Both ACI-ASTM CG6MMN steel and AISI 420F stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 28 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 CG6MMN steel and the bottom bar is AISI 420F stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
18
Fatigue Strength, MPa 260
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 670
740
Tensile Strength: Yield (Proof), MPa 320
430

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1080
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
10

Otherwise Unclassified Properties

Base Metal Price, % relative 22
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
2.0
Embodied Energy, MJ/kg 68
28
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 34
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 260
480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
27
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 14
27

Alloy Composition

Carbon (C), % 0 to 0.060
0.3 to 0.4
Chromium (Cr), % 20.5 to 23.5
12 to 14
Iron (Fe), % 51.9 to 62.1
82.4 to 87.6
Manganese (Mn), % 4.0 to 6.0
0 to 1.3
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.5
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 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35
Vanadium (V), % 0.1 to 0.3
0