SAE-AISI 1084 Steel vs. ASTM B617 Coin Silver

SAE-AISI 1084 steel belongs to the iron alloys classification, while ASTM B617 coin silver belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1084 steel and the bottom bar is ASTM B617 coin silver.

SAE-AISI 1084 (G10840) Carbon Steel ASTM B617 Coin Silver Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		75

Elongation at Break, %		11
Elongation at Break, %		1.1 to 22

Poisson's Ratio		0.29
Poisson's Ratio		0.37

Shear Modulus, GPa		72
Shear Modulus, GPa		28

Shear Strength, MPa		470 to 550
Shear Strength, MPa		180 to 290

Tensile Strength: Ultimate (UTS), MPa		780 to 930
Tensile Strength: Ultimate (UTS), MPa		290 to 520

Thermal Properties

Latent Heat of Fusion, J/g		240
Latent Heat of Fusion, J/g		120

Melting Completion (Liquidus), °C		1450
Melting Completion (Liquidus), °C		870

Melting Onset (Solidus), °C		1410
Melting Onset (Solidus), °C		780

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		250

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		7.1
Electrical Conductivity: Equal Volume, % IACS		83

Electrical Conductivity: Equal Weight (Specific), % IACS		8.2
Electrical Conductivity: Equal Weight (Specific), % IACS		72

Otherwise Unclassified Properties

Density, g/cm³		7.8
Density, g/cm³		10

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		4.1

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		14

Strength to Weight: Axial, points		28 to 33
Strength to Weight: Axial, points		7.7 to 14

Strength to Weight: Bending, points		24 to 27
Strength to Weight: Bending, points		9.3 to 14

Thermal Shock Resistance, points		25 to 30
Thermal Shock Resistance, points		14 to 25

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.050

Carbon (C), %		0.8 to 0.93
Carbon (C), %		0

Copper (Cu), %		0
Copper (Cu), %		9.0 to 10.4

Iron (Fe), %		98.1 to 98.6
Iron (Fe), %		0 to 0.050

Lead (Pb), %		0
Lead (Pb), %		0 to 0.030

Manganese (Mn), %		0.6 to 0.9
Manganese (Mn), %		0

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.010

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.020

Silver (Ag), %		0
Silver (Ag), %		89.6 to 91

Sulfur (S), %		0 to 0.050
Sulfur (S), %		0

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.060

Residuals, %		0
Residuals, %		0 to 0.060