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ACI-ASTM CG6MMN Steel vs. S34565 Stainless Steel

Both ACI-ASTM CG6MMN steel and S34565 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 28 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 S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
39
Fatigue Strength, MPa 260
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 670
900
Tensile Strength: Yield (Proof), MPa 320
470

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 22
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
5.3
Embodied Energy, MJ/kg 68
73
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 34
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
300
Resilience: Unit (Modulus of Resilience), kJ/m3 260
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
32
Strength to Weight: Bending, points 22
26
Thermal Shock Resistance, points 14
22

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 20.5 to 23.5
23 to 25
Iron (Fe), % 51.9 to 62.1
43.2 to 51.6
Manganese (Mn), % 4.0 to 6.0
5.0 to 7.0
Molybdenum (Mo), % 1.5 to 3.0
4.0 to 5.0
Nickel (Ni), % 11.5 to 13.5
16 to 18
Niobium (Nb), % 0.1 to 0.3
0 to 0.1
Nitrogen (N), % 0.2 to 0.4
0.4 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Vanadium (V), % 0.1 to 0.3
0