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ASTM Grade HP Steel vs. C75200 Nickel Silver

ASTM grade HP steel belongs to the iron alloys classification, while C75200 nickel silver belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HP steel and the bottom bar is C75200 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 78
47
Tensile Strength: Ultimate (UTS), MPa 490
400 to 660

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Maximum Temperature: Mechanical, °C 1100
200
Melting Completion (Liquidus), °C 1370
1110
Melting Onset (Solidus), °C 1330
1070
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 12
33
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 34
33
Density, g/cm3 7.9
8.5
Embodied Carbon, kg CO2/kg material 5.8
4.1
Embodied Energy, MJ/kg 82
62
Embodied Water, L/kg 220
300

Common Calculations

Stiffness to Weight: Axial, points 14
8.0
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 17
13 to 21
Strength to Weight: Bending, points 17
14 to 20
Thermal Diffusivity, mm2/s 3.2
9.8
Thermal Shock Resistance, points 11
13 to 22

Alloy Composition

Carbon (C), % 0.35 to 0.75
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
63.5 to 66.5
Iron (Fe), % 29.2 to 42.7
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
16.5 to 19.5
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.5
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
12.7 to 20
Residuals, % 0
0 to 0.5