MakeItFrom.com
Menu (ESC)

ASTM A387 Grade 21L Class 1 vs. Solder Alloy 135

ASTM A387 grade 21L class 1 belongs to the iron alloys classification, while solder alloy 135 belongs to the otherwise unclassified metals. There are 24 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 A387 grade 21L class 1 and the bottom bar is solder alloy 135.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
27
Elongation at Break, % 21
20
Poisson's Ratio 0.29
0.41
Shear Modulus, GPa 74
9.5
Tensile Strength: Ultimate (UTS), MPa 500
35

Thermal Properties

Latent Heat of Fusion, J/g 260
36
Melting Completion (Liquidus), °C 1470
250
Melting Onset (Solidus), °C 1430
190
Specific Heat Capacity, J/kg-K 470
160
Thermal Conductivity, W/m-K 41
42
Thermal Expansion, µm/m-K 13
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
9.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.1
90
Density, g/cm3 7.9
10
Embodied Carbon, kg CO2/kg material 1.8
7.3
Embodied Energy, MJ/kg 23
120
Embodied Water, L/kg 62
720

Common Calculations

Stiffness to Weight: Axial, points 13
1.5
Stiffness to Weight: Bending, points 24
9.9
Strength to Weight: Axial, points 18
1.0
Strength to Weight: Bending, points 18
2.4
Thermal Diffusivity, mm2/s 11
27
Thermal Shock Resistance, points 14
3.5

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0.5 to 1.8
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
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
67.1 to 70
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
29.5 to 30.5
Zinc (Zn), % 0
0 to 0.0010