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ACI-ASTM CG6MMN Steel vs. EN 1.4550 Stainless Steel

Both ACI-ASTM CG6MMN steel and EN 1.4550 stainless steel are iron alloys. They have 87% 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 1.4550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
42
Fatigue Strength, MPa 260
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 670
620
Tensile Strength: Yield (Proof), MPa 320
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
480
Maximum Temperature: Mechanical, °C 1080
940
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
3.6
Embodied Energy, MJ/kg 68
51
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 34
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
210
Resilience: Unit (Modulus of Resilience), kJ/m3 260
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 20.5 to 23.5
17 to 19
Iron (Fe), % 51.9 to 62.1
64.9 to 74
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
9.0 to 12
Niobium (Nb), % 0.1 to 0.3
0 to 1.0
Nitrogen (N), % 0.2 to 0.4
0
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