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ACI-ASTM CN7MS Steel vs. Solder Alloy 135

ACI-ASTM CN7MS steel belongs to the iron alloys classification, while solder alloy 135 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN7MS steel and the bottom bar is solder alloy 135.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
27
Elongation at Break, % 39
20
Poisson's Ratio 0.28
0.41
Shear Modulus, GPa 77
9.5
Tensile Strength: Ultimate (UTS), MPa 540
35

Thermal Properties

Latent Heat of Fusion, J/g 340
36
Melting Completion (Liquidus), °C 1400
250
Melting Onset (Solidus), °C 1350
190
Specific Heat Capacity, J/kg-K 480
160
Thermal Conductivity, W/m-K 12
42
Thermal Expansion, µm/m-K 16
27

Otherwise Unclassified Properties

Base Metal Price, % relative 28
90
Density, g/cm3 7.9
10
Embodied Carbon, kg CO2/kg material 5.1
7.3
Embodied Energy, MJ/kg 71
120
Embodied Water, L/kg 180
720

Common Calculations

Stiffness to Weight: Axial, points 14
1.5
Stiffness to Weight: Bending, points 25
9.9
Strength to Weight: Axial, points 19
1.0
Strength to Weight: Bending, points 19
2.4
Thermal Diffusivity, mm2/s 3.2
27
Thermal Shock Resistance, points 13
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 0.070
0
Chromium (Cr), % 18 to 20
0
Copper (Cu), % 1.5 to 2.0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 45.4 to 53.5
0 to 0.020
Lead (Pb), % 0
67.1 to 70
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 22 to 25
0 to 0.010
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 2.5 to 3.5
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
29.5 to 30.5
Zinc (Zn), % 0
0 to 0.0010