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ASTM Grade HP Steel vs. C74400 Nickel Silver

ASTM grade HP steel belongs to the iron alloys classification, while C74400 nickel silver belongs to the copper alloys. There are 26 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 ASTM grade HP steel and the bottom bar is C74400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 5.1
43
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
39
Tensile Strength: Ultimate (UTS), MPa 490
350
Tensile Strength: Yield (Proof), MPa 260
120

Thermal Properties

Latent Heat of Fusion, J/g 320
180
Maximum Temperature: Mechanical, °C 1100
140
Melting Completion (Liquidus), °C 1370
930
Melting Onset (Solidus), °C 1330
910
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 12
120
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Base Metal Price, % relative 34
25
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 5.8
2.9
Embodied Energy, MJ/kg 82
48
Embodied Water, L/kg 220
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170
63
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
12
Strength to Weight: Bending, points 17
14
Thermal Diffusivity, mm2/s 3.2
37
Thermal Shock Resistance, points 11
12

Alloy Composition

Carbon (C), % 0.35 to 0.75
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
62 to 66
Iron (Fe), % 29.2 to 42.7
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
2.0 to 4.0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.5
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
29.6 to 36
Residuals, % 0
0 to 0.3