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EN 1.4470 Stainless Steel vs. ASTM B628 Ag-Cu

EN 1.4470 stainless steel belongs to the iron alloys classification, while ASTM B628 Ag-Cu belongs to the otherwise unclassified metals. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is EN 1.4470 stainless steel and the bottom bar is ASTM B628 Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
83
Elongation at Break, % 23
1.1 to 17
Poisson's Ratio 0.27
0.36
Shear Modulus, GPa 80
31
Tensile Strength: Ultimate (UTS), MPa 680
350 to 760

Thermal Properties

Latent Heat of Fusion, J/g 300
140
Melting Completion (Liquidus), °C 1450
780
Melting Onset (Solidus), °C 1400
780
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
84
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
75

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.6
Stiffness to Weight: Bending, points 25
14
Strength to Weight: Axial, points 24
9.5 to 21
Strength to Weight: Bending, points 22
11 to 18
Thermal Shock Resistance, points 18
16 to 34

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Cadmium (Cd), % 0
0 to 0.050
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 21 to 23
0
Copper (Cu), % 0
26.6 to 29
Iron (Fe), % 63.7 to 71.9
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 4.5 to 6.5
0 to 0.010
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
71 to 73
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
0 to 0.060
Residuals, % 0
0 to 0.21