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ACI-ASTM CG6MMN Steel vs. S45000 Stainless Steel

Both ACI-ASTM CG6MMN steel and S45000 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 (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 S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
280 to 410
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
6.8 to 14
Fatigue Strength, MPa 260
330 to 650
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 670
980 to 1410
Tensile Strength: Yield (Proof), MPa 320
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
400
Maximum Temperature: Mechanical, °C 1080
840
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
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 68
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 34
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
94 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 260
850 to 4400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
35 to 50
Strength to Weight: Bending, points 22
28 to 36
Thermal Shock Resistance, points 14
33 to 47

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.050
Chromium (Cr), % 20.5 to 23.5
14 to 16
Copper (Cu), % 0
1.3 to 1.8
Iron (Fe), % 51.9 to 62.1
72.1 to 79.3
Manganese (Mn), % 4.0 to 6.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
0.5 to 1.0
Nickel (Ni), % 11.5 to 13.5
5.0 to 7.0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0