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ACI-ASTM CG6MMN Steel vs. EN 1.4749 Stainless Steel

Both ACI-ASTM CG6MMN steel and EN 1.4749 stainless steel are iron alloys. They have 80% 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 EN 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
16
Fatigue Strength, MPa 260
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 670
600
Tensile Strength: Yield (Proof), MPa 320
320

Thermal Properties

Latent Heat of Fusion, J/g 300
300
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
490
Thermal Expansion, µm/m-K 17
9.6

Otherwise Unclassified Properties

Base Metal Price, % relative 22
13
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 4.8
2.5
Embodied Energy, MJ/kg 68
36
Embodied Water, L/kg 180
160

Common Calculations

PREN (Pitting Resistance) 34
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
80
Resilience: Unit (Modulus of Resilience), kJ/m3 260
250
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 14
22

Alloy Composition

Carbon (C), % 0 to 0.060
0.15 to 0.2
Chromium (Cr), % 20.5 to 23.5
26 to 29
Iron (Fe), % 51.9 to 62.1
68.5 to 73.7
Manganese (Mn), % 4.0 to 6.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.040
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