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ASTM B628 Ag-Cu vs. ASTM Grade HP Steel

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while ASTM grade HP steel belongs to the iron alloys. There are 16 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

For each property being compared, the top bar is ASTM B628 Ag-Cu and the bottom bar is ASTM grade HP steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
200
Elongation at Break, % 1.1 to 17
5.1
Poisson's Ratio 0.36
0.28
Shear Modulus, GPa 31
78
Tensile Strength: Ultimate (UTS), MPa 350 to 760
490

Thermal Properties

Latent Heat of Fusion, J/g 140
320
Melting Completion (Liquidus), °C 780
1370
Melting Onset (Solidus), °C 780
1330
Specific Heat Capacity, J/kg-K 280
480
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Density, g/cm3 10
7.9

Common Calculations

Stiffness to Weight: Axial, points 4.6
14
Stiffness to Weight: Bending, points 14
25
Strength to Weight: Axial, points 9.5 to 21
17
Strength to Weight: Bending, points 11 to 18
17
Thermal Shock Resistance, points 16 to 34
11

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Cadmium (Cd), % 0 to 0.050
0
Carbon (C), % 0
0.35 to 0.75
Chromium (Cr), % 0
24 to 28
Copper (Cu), % 26.6 to 29
0
Iron (Fe), % 0 to 0.050
29.2 to 42.7
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
33 to 37
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0
0 to 2.5
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0 to 0.060
0
Residuals, % 0 to 0.21
0