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ACI-ASTM CD6MN Steel vs. S32050 Stainless Steel

Both ACI-ASTM CD6MN steel and S32050 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CD6MN steel and the bottom bar is S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
46
Fatigue Strength, MPa 370
340
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 730
770
Tensile Strength: Yield (Proof), MPa 510
370

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 17
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.4
6.0
Embodied Energy, MJ/kg 48
81
Embodied Water, L/kg 170
210

Common Calculations

PREN (Pitting Resistance) 36
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
290
Resilience: Unit (Modulus of Resilience), kJ/m3 650
330
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
27
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 4.4
3.3
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 24 to 27
22 to 24
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 62.1 to 70.1
43.1 to 51.8
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 1.8 to 2.5
6.0 to 6.6
Nickel (Ni), % 4.0 to 6.0
20 to 23
Nitrogen (N), % 0.15 to 0.25
0.21 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.020