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ACI-ASTM CD6MN Steel vs. S32615 Stainless Steel

Both ACI-ASTM CD6MN steel and S32615 stainless steel are iron alloys. They have 77% 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 ACI-ASTM CD6MN steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
28
Fatigue Strength, MPa 370
180
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 730
620
Tensile Strength: Yield (Proof), MPa 510
250

Thermal Properties

Latent Heat of Fusion, J/g 300
370
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1440
1350
Melting Onset (Solidus), °C 1390
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 17
24
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 3.4
4.4
Embodied Energy, MJ/kg 48
63
Embodied Water, L/kg 170
170

Common Calculations

PREN (Pitting Resistance) 36
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 650
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.070
Chromium (Cr), % 24 to 27
16.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 62.1 to 70.1
46.4 to 57.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.5
0.3 to 1.5
Nickel (Ni), % 4.0 to 6.0
19 to 22
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
4.8 to 6.0
Sulfur (S), % 0 to 0.040
0 to 0.030