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S44660 Stainless Steel vs. ACI-ASTM CG6MMN Steel

Both S44660 stainless steel and ACI-ASTM CG6MMN steel are iron alloys. They have 85% 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 S44660 stainless steel and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 20
34
Fatigue Strength, MPa 330
260
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 660
670
Tensile Strength: Yield (Proof), MPa 510
320

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 640
460
Maximum Temperature: Mechanical, °C 1100
1080
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 21
22
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.3
4.8
Embodied Energy, MJ/kg 61
68
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 38
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
190
Resilience: Unit (Modulus of Resilience), kJ/m3 640
260
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 25 to 28
20.5 to 23.5
Iron (Fe), % 60.4 to 71
51.9 to 62.1
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 3.0 to 4.0
1.5 to 3.0
Nickel (Ni), % 1.0 to 3.5
11.5 to 13.5
Niobium (Nb), % 0.2 to 1.0
0.1 to 0.3
Nitrogen (N), % 0 to 0.040
0.2 to 0.4
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
Titanium (Ti), % 0.2 to 1.0
0
Vanadium (V), % 0
0.1 to 0.3