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EN 1.4005 Stainless Steel vs. Grade CW12MW Nickel

EN 1.4005 stainless steel belongs to the iron alloys classification, while grade CW12MW nickel belongs to the nickel alloys. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 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 EN 1.4005 stainless steel and the bottom bar is grade CW12MW nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 13 to 21
4.6
Fatigue Strength, MPa 240 to 290
130
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
85
Tensile Strength: Ultimate (UTS), MPa 630 to 750
560
Tensile Strength: Yield (Proof), MPa 370 to 500
310

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 760
960
Melting Completion (Liquidus), °C 1440
1610
Melting Onset (Solidus), °C 1400
1560
Specific Heat Capacity, J/kg-K 480
410
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
70
Density, g/cm3 7.7
9.1
Embodied Carbon, kg CO2/kg material 2.0
13
Embodied Energy, MJ/kg 28
180
Embodied Water, L/kg 100
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
22
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 23 to 27
17
Strength to Weight: Bending, points 21 to 24
17
Thermal Shock Resistance, points 23 to 27
16

Alloy Composition

Carbon (C), % 0.060 to 0.15
0 to 0.12
Chromium (Cr), % 12 to 14
15.5 to 17.5
Iron (Fe), % 82.4 to 87.8
4.5 to 7.5
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
16 to 18
Nickel (Ni), % 0
49.2 to 60.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.030
Tungsten (W), % 0
3.8 to 5.3
Vanadium (V), % 0
0.2 to 0.4