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S31266 Stainless Steel vs. ACI-ASTM CG6MMN Steel

Both S31266 stainless steel and ACI-ASTM CG6MMN steel are iron alloys. They have 81% of their average alloy composition in common. There are 27 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 S31266 stainless steel and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
34
Fatigue Strength, MPa 400
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 860
670
Tensile Strength: Yield (Proof), MPa 470
320

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1100
1080
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 37
22
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.5
4.8
Embodied Energy, MJ/kg 89
68
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 54
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
190
Resilience: Unit (Modulus of Resilience), kJ/m3 540
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 24
22
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 23 to 25
20.5 to 23.5
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 34.1 to 46
51.9 to 62.1
Manganese (Mn), % 2.0 to 4.0
4.0 to 6.0
Molybdenum (Mo), % 5.2 to 6.2
1.5 to 3.0
Nickel (Ni), % 21 to 24
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0.35 to 0.6
0.2 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 2.5
0
Vanadium (V), % 0
0.1 to 0.3