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ASTM B628 Ag-Cu vs. Grade 350 Maraging Steel

ASTM B628 Ag-Cu belongs to the otherwise unclassified metals classification, while grade 350 maraging steel belongs to the iron alloys. There are 17 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 B628 Ag-Cu and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 83
190
Elongation at Break, % 1.1 to 17
4.1 to 18
Poisson's Ratio 0.36
0.3
Shear Modulus, GPa 31
75
Shear Strength, MPa 210 to 430
710 to 1400
Tensile Strength: Ultimate (UTS), MPa 350 to 760
1140 to 2420

Thermal Properties

Latent Heat of Fusion, J/g 140
270
Melting Completion (Liquidus), °C 780
1470
Melting Onset (Solidus), °C 780
1420
Specific Heat Capacity, J/kg-K 280
450
Thermal Expansion, µm/m-K 19
12

Otherwise Unclassified Properties

Density, g/cm3 10
8.2

Common Calculations

Stiffness to Weight: Axial, points 4.6
13
Stiffness to Weight: Bending, points 14
23
Strength to Weight: Axial, points 9.5 to 21
38 to 82
Strength to Weight: Bending, points 11 to 18
29 to 49
Thermal Shock Resistance, points 16 to 34
35 to 74

Alloy Composition


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Aluminum (Al), % 0 to 0.0050
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Cadmium (Cd), % 0 to 0.050
0
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0
0 to 0.030
Cobalt (Co), % 0
11.5 to 12.5
Copper (Cu), % 26.6 to 29
0
Iron (Fe), % 0 to 0.050
61.2 to 64.6
Lead (Pb), % 0 to 0.030
0
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 0.010
18 to 19
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 71 to 73
0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0
1.3 to 1.6
Zinc (Zn), % 0 to 0.060
0
Zirconium (Zr), % 0
0 to 0.020
Residuals, % 0 to 0.21
0

Comparable Variants