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ASTM A302 Alloy Steel vs. ASTM B628 Ag-Cu

ASTM A302 alloy steel belongs to the iron alloys classification, while ASTM B628 Ag-Cu belongs to the otherwise unclassified metals. There are 19 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 A302 alloy steel and the bottom bar is ASTM B628 Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
83
Elongation at Break, % 20 to 23
1.1 to 17
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 73
31
Shear Strength, MPa 370 to 390
210 to 430
Tensile Strength: Ultimate (UTS), MPa 590 to 620
350 to 760

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Melting Completion (Liquidus), °C 1460
780
Melting Onset (Solidus), °C 1420
780
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
84
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
75

Otherwise Unclassified Properties

Density, g/cm3 7.8 to 7.9
10

Common Calculations

Stiffness to Weight: Axial, points 13
4.6
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 21 to 22
9.5 to 21
Strength to Weight: Bending, points 20 to 21
11 to 18
Thermal Shock Resistance, points 17 to 18
16 to 34