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S46500 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both S46500 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 82% of their average alloy composition in common. There are 26 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 S46500 stainless steel and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 2.3 to 14
29
Fatigue Strength, MPa 550 to 890
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
790
Tensile Strength: Yield (Proof), MPa 1120 to 1810
500

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 680
450
Maximum Temperature: Mechanical, °C 780
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
22
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.6
4.2
Embodied Energy, MJ/kg 51
58
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 15
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 210
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 44 to 68
28
Strength to Weight: Bending, points 33 to 44
24
Thermal Shock Resistance, points 44 to 67
22

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 11 to 12.5
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 72.6 to 76.1
56.6 to 65.3
Manganese (Mn), % 0 to 0.25
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.3
3.0 to 4.0
Nickel (Ni), % 10.7 to 11.3
6.5 to 8.5
Nitrogen (N), % 0 to 0.010
0.2 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 1.5 to 1.8
0
Tungsten (W), % 0
0.5 to 1.0