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ASTM A27 Cast Steel vs. Solder Alloy 702

ASTM A27 cast steel belongs to the iron alloys classification, while solder alloy 702 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A27 cast steel and the bottom bar is solder alloy 702.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
51
Elongation at Break, % 25 to 27
21
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 73
19
Tensile Strength: Ultimate (UTS), MPa 460 to 550
53

Thermal Properties

Latent Heat of Fusion, J/g 250
61
Melting Completion (Liquidus), °C 1460
220
Melting Onset (Solidus), °C 1420
220
Specific Heat Capacity, J/kg-K 470
220
Thermal Conductivity, W/m-K 52
62
Thermal Expansion, µm/m-K 12
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0 to 7.1
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
18

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.4
Embodied Carbon, kg CO2/kg material 1.4
17
Embodied Energy, MJ/kg 18
290

Common Calculations

Stiffness to Weight: Axial, points 13
3.8
Stiffness to Weight: Bending, points 24
17
Strength to Weight: Axial, points 16 to 20
2.0
Strength to Weight: Bending, points 17 to 19
4.2
Thermal Diffusivity, mm2/s 14
38
Thermal Shock Resistance, points 15 to 18
3.4