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ASTM Grade HT Steel vs. C74000 Nickel Silver

ASTM grade HT steel belongs to the iron alloys classification, while C74000 nickel silver belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HT steel and the bottom bar is C74000 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
44
Tensile Strength: Ultimate (UTS), MPa 500
380 to 590

Thermal Properties

Latent Heat of Fusion, J/g 310
200
Maximum Temperature: Mechanical, °C 1010
180
Melting Completion (Liquidus), °C 1390
990
Melting Onset (Solidus), °C 1340
950
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
40
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
42

Otherwise Unclassified Properties

Base Metal Price, % relative 31
30
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 5.4
3.4
Embodied Energy, MJ/kg 76
54
Embodied Water, L/kg 190
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 18
13 to 19
Strength to Weight: Bending, points 18
14 to 18
Thermal Shock Resistance, points 12
13 to 19

Alloy Composition

Carbon (C), % 0.35 to 0.75
0
Chromium (Cr), % 15 to 19
0
Copper (Cu), % 0
69 to 73.5
Iron (Fe), % 38.2 to 51.7
0 to 0.25
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
9.0 to 11
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.5
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
14.2 to 22
Residuals, % 0
0 to 0.5