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S20910 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both S20910 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 29 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 S20910 stainless steel and the bottom bar is ACI-ASTM CD3MWCuN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 39
29
Fatigue Strength, MPa 310 to 460
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 780 to 940
790
Tensile Strength: Yield (Proof), MPa 430 to 810
500

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
4.2
Embodied Energy, MJ/kg 68
58
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 34
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
200
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
28
Strength to Weight: Bending, points 24 to 27
24
Thermal Diffusivity, mm2/s 3.6
4.2
Thermal Shock Resistance, points 17 to 21
22

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 20.5 to 23.5
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 52.1 to 62.1
56.6 to 65.3
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 1.5 to 3.0
3.0 to 4.0
Nickel (Ni), % 11.5 to 13.5
6.5 to 8.5
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0
Vanadium (V), % 0.1 to 0.3
0