SAE-AISI 1070 Steel vs. ASTM B628 Ag-Cu

SAE-AISI 1070 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 (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1070 steel and the bottom bar is ASTM B628 Ag-Cu.

SAE-AISI 1070 (C70, 1.1520, G10700) Carbon Steel ASTM B628 Silver-Copper Eutectic Electrical Contact Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		83

Elongation at Break, %		10 to 13
Elongation at Break, %		1.1 to 17

Poisson's Ratio		0.29
Poisson's Ratio		0.36

Shear Modulus, GPa		72
Shear Modulus, GPa		31

Shear Strength, MPa		380 to 460
Shear Strength, MPa		210 to 430

Tensile Strength: Ultimate (UTS), MPa		640 to 760
Tensile Strength: Ultimate (UTS), MPa		350 to 760

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		780

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		780

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		280

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		10
Electrical Conductivity: Equal Volume, % IACS		84

Electrical Conductivity: Equal Weight (Specific), % IACS		12
Electrical Conductivity: Equal Weight (Specific), % IACS		75

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		4.6

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

Strength to Weight: Axial, points		23 to 27
Strength to Weight: Axial, points		9.5 to 21

Strength to Weight: Bending, points		21 to 24
Strength to Weight: Bending, points		11 to 18

Thermal Shock Resistance, points		21 to 25
Thermal Shock Resistance, points		16 to 34

Alloy Composition

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

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

Carbon (C), %		0.65 to 0.75
Carbon (C), %		0

Copper (Cu), %		0
Copper (Cu), %		26.6 to 29

Iron (Fe), %		98.3 to 98.8
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 0.030

Silver (Ag), %		0
Silver (Ag), %		71 to 73

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

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

Residuals, %		0
Residuals, %		0 to 0.21