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Solder Alloy 704 vs. ASTM Grade HL Steel

Solder alloy 704 belongs to the otherwise unclassified metals classification, while ASTM grade HL steel belongs to the iron alloys. 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 solder alloy 704 and the bottom bar is ASTM grade HL steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
150
Elastic (Young's, Tensile) Modulus, GPa 51
200
Elongation at Break, % 30
11
Poisson's Ratio 0.36
0.27
Shear Modulus, GPa 19
80
Tensile Strength: Ultimate (UTS), MPa 55
500

Thermal Properties

Latent Heat of Fusion, J/g 62
320
Melting Completion (Liquidus), °C 240
1390
Melting Onset (Solidus), °C 220
1340
Specific Heat Capacity, J/kg-K 220
490
Thermal Expansion, µm/m-K 22
17

Otherwise Unclassified Properties

Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 19
4.5
Embodied Energy, MJ/kg 320
65

Common Calculations

Stiffness to Weight: Axial, points 3.8
14
Stiffness to Weight: Bending, points 17
25
Strength to Weight: Axial, points 2.1
18
Strength to Weight: Bending, points 4.3
18
Thermal Shock Resistance, points 3.5
11

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.2 to 0.6
Chromium (Cr), % 0
28 to 32
Copper (Cu), % 0 to 0.050
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
40.8 to 53.8
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
18 to 22
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 94.3 to 95.2
0
Zinc (Zn), % 0 to 0.0010
0