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ASTM Grade HP Steel vs. ASTM B563 Pd-Ag-Cu

ASTM grade HP steel belongs to the iron alloys classification, while ASTM B563 Pd-Ag-Cu belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

For each property being compared, the top bar is ASTM grade HP steel and the bottom bar is ASTM B563 Pd-Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 5.1
7.0 to 17
Poisson's Ratio 0.28
0.37
Shear Modulus, GPa 78
37
Tensile Strength: Ultimate (UTS), MPa 490
760 to 1170

Thermal Properties

Latent Heat of Fusion, J/g 320
150
Melting Completion (Liquidus), °C 1370
1180
Melting Onset (Solidus), °C 1330
1030
Specific Heat Capacity, J/kg-K 480
260
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Density, g/cm3 7.9
11

Common Calculations

Stiffness to Weight: Axial, points 14
5.2
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 17
19 to 30
Strength to Weight: Bending, points 17
17 to 22
Thermal Shock Resistance, points 11
39 to 61

Alloy Composition

Carbon (C), % 0.35 to 0.75
0
Chromium (Cr), % 24 to 28
0
Copper (Cu), % 0
15.5 to 16.5
Iron (Fe), % 29.2 to 42.7
0
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 33 to 37
0.8 to 1.2
Palladium (Pd), % 0
43 to 45
Phosphorus (P), % 0 to 0.040
0
Platinum (Pt), % 0
0.8 to 1.2
Silicon (Si), % 0 to 2.5
0
Silver (Ag), % 0
37 to 39
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 0.4