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EN 1.4371 Stainless Steel vs. Grade CW2M Nickel

EN 1.4371 stainless steel belongs to the iron alloys classification, while grade CW2M nickel belongs to the nickel alloys. They have a modest 23% 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 (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4371 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, % 45 to 51
23
Fatigue Strength, MPa 290 to 340
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
83
Tensile Strength: Ultimate (UTS), MPa 740 to 750
560
Tensile Strength: Yield (Proof), MPa 320 to 340
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 880
960
Melting Completion (Liquidus), °C 1410
1520
Melting Onset (Solidus), °C 1370
1460
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 12
70
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.6
12
Embodied Energy, MJ/kg 38
170
Embodied Water, L/kg 140
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 24
17
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 16 to 17.5
15 to 17.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.7 to 74.4
0 to 2.0
Manganese (Mn), % 6.0 to 8.0
0 to 1.0
Molybdenum (Mo), % 0
15 to 17.5
Nickel (Ni), % 3.5 to 5.5
60.1 to 70
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
0 to 1.0