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Grade CW12MW Nickel vs. EN 1.4948 Stainless Steel

Grade CW12MW nickel belongs to the nickel alloys classification, while EN 1.4948 stainless steel belongs to the iron alloys. They have a modest 33% 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 (9, in this case) are not shown.

For each property being compared, the top bar is grade CW12MW nickel and the bottom bar is EN 1.4948 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Elongation at Break, % 4.6
48
Fatigue Strength, MPa 130
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 85
77
Tensile Strength: Ultimate (UTS), MPa 560
610
Tensile Strength: Yield (Proof), MPa 310
210

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 960
930
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 70
15
Density, g/cm3 9.1
7.8
Embodied Carbon, kg CO2/kg material 13
3.0
Embodied Energy, MJ/kg 180
43
Embodied Water, L/kg 280
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
230
Resilience: Unit (Modulus of Resilience), kJ/m3 220
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 22
25
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0 to 0.12
0.040 to 0.080
Chromium (Cr), % 15.5 to 17.5
17 to 19
Iron (Fe), % 4.5 to 7.5
66.8 to 75
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 16 to 18
0
Nickel (Ni), % 49.2 to 60.1
8.0 to 11
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 3.8 to 5.3
0
Vanadium (V), % 0.2 to 0.4
0