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ACI-ASTM CG6MMN Steel vs. EN 1.4578 Stainless Steel

Both ACI-ASTM CG6MMN steel and EN 1.4578 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG6MMN steel and the bottom bar is EN 1.4578 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
51
Fatigue Strength, MPa 260
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 670
550
Tensile Strength: Yield (Proof), MPa 320
200

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1080
930
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.7
Embodied Energy, MJ/kg 68
51
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 34
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
220
Resilience: Unit (Modulus of Resilience), kJ/m3 260
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
19
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.040
Chromium (Cr), % 20.5 to 23.5
16.5 to 17.5
Copper (Cu), % 0
3.0 to 3.5
Iron (Fe), % 51.9 to 62.1
62.3 to 68.5
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
2.0 to 2.5
Nickel (Ni), % 11.5 to 13.5
10 to 11
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.1 to 0.3
0