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S32050 Stainless Steel vs. ACI-ASTM CG6MMN Steel

Both S32050 stainless steel and ACI-ASTM CG6MMN steel are iron alloys. They have 86% 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 S32050 stainless steel and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 46
34
Fatigue Strength, MPa 340
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 770
670
Tensile Strength: Yield (Proof), MPa 370
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 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
22
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.0
4.8
Embodied Energy, MJ/kg 81
68
Embodied Water, L/kg 210
180

Common Calculations

PREN (Pitting Resistance) 48
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
190
Resilience: Unit (Modulus of Resilience), kJ/m3 330
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 17
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 22 to 24
20.5 to 23.5
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.1 to 51.8
51.9 to 62.1
Manganese (Mn), % 0 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 6.0 to 6.6
1.5 to 3.0
Nickel (Ni), % 20 to 23
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0.21 to 0.32
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
Vanadium (V), % 0
0.1 to 0.3