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EN 1.4740 Stainless Steel vs. Grade CW2M Nickel

EN 1.4740 stainless steel belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is EN 1.4740 stainless steel and the bottom bar is grade CW2M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 22
23
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
83

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 900
960
Melting Completion (Liquidus), °C 1420
1520
Melting Onset (Solidus), °C 1370
1460
Specific Heat Capacity, J/kg-K 490
430
Thermal Expansion, µm/m-K 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
70
Density, g/cm3 7.6
8.8
Embodied Carbon, kg CO2/kg material 2.3
12
Embodied Energy, MJ/kg 32
170
Embodied Water, L/kg 120
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.020
Chromium (Cr), % 16 to 19
15 to 17.5
Iron (Fe), % 75.4 to 82.7
0 to 2.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
15 to 17.5
Nickel (Ni), % 0 to 1.0
60.1 to 70
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 1.0