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EN 1.1221 Steel vs. C74400 Nickel Silver

EN 1.1221 steel belongs to the iron alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.1221 steel and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 10 to 21
43
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
39
Shear Strength, MPa 450 to 520
240
Tensile Strength: Ultimate (UTS), MPa 730 to 870
350
Tensile Strength: Yield (Proof), MPa 390 to 550
120

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 400
140
Melting Completion (Liquidus), °C 1460
930
Melting Onset (Solidus), °C 1410
910
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 48
120
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
29

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
25
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.5
2.9
Embodied Energy, MJ/kg 19
48
Embodied Water, L/kg 47
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
63
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 26 to 31
12
Strength to Weight: Bending, points 23 to 26
14
Thermal Diffusivity, mm2/s 13
37
Thermal Shock Resistance, points 23 to 28
12

Alloy Composition

Carbon (C), % 0.57 to 0.65
0
Chromium (Cr), % 0 to 0.4
0
Copper (Cu), % 0
62 to 66
Iron (Fe), % 97.1 to 98.8
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.6 to 0.9
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
2.0 to 4.0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3