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ASTM A387 Grade 21L Class 1 vs. Solder Alloy 101

ASTM A387 grade 21L class 1 belongs to the iron alloys classification, while solder alloy 101 belongs to the otherwise unclassified metals. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 21L class 1 and the bottom bar is solder alloy 101.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
14
Elastic (Young's, Tensile) Modulus, GPa 190
38
Elongation at Break, % 21
48
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 74
14
Tensile Strength: Ultimate (UTS), MPa 500
31
Tensile Strength: Yield (Proof), MPa 230
27

Thermal Properties

Latent Heat of Fusion, J/g 260
46
Melting Completion (Liquidus), °C 1470
180
Melting Onset (Solidus), °C 1430
180
Specific Heat Capacity, J/kg-K 470
190
Thermal Conductivity, W/m-K 41
51
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
12

Otherwise Unclassified Properties

Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 1.8
11
Embodied Energy, MJ/kg 23
180
Embodied Water, L/kg 62
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84
14
Resilience: Unit (Modulus of Resilience), kJ/m3 140
9.9
Stiffness to Weight: Axial, points 13
2.4
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 18
1.0
Strength to Weight: Bending, points 18
2.5
Thermal Diffusivity, mm2/s 11
31
Thermal Shock Resistance, points 14
2.4

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 2.8 to 3.3
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 94.4 to 96.1
0 to 0.020
Lead (Pb), % 0
35.8 to 37.5
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
62.5 to 63.5
Zinc (Zn), % 0
0 to 0.0010