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EN 1.4849 Stainless Steel vs. ACI-ASTM CD3MWCuN Steel

Both EN 1.4849 stainless steel and ACI-ASTM CD3MWCuN steel are iron alloys. They have 67% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 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, % 4.5
29
Fatigue Strength, MPa 120
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 480
790
Tensile Strength: Yield (Proof), MPa 250
500

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 620
450
Maximum Temperature: Mechanical, °C 1020
1100
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 42
22
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 7.1
4.2
Embodied Energy, MJ/kg 100
58
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 20
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
200
Resilience: Unit (Modulus of Resilience), kJ/m3 160
620
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 3.2
4.2
Thermal Shock Resistance, points 11
22

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 18 to 21
24 to 26
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 32.6 to 43.5
56.6 to 65.3
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 36 to 39
6.5 to 8.5
Niobium (Nb), % 1.2 to 1.8
0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
0.5 to 1.0