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ASTM A372 Grade H Steel vs. Solder Alloy 101

ASTM A372 grade H steel 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 (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade H steel and the bottom bar is solder alloy 101.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
14
Elastic (Young's, Tensile) Modulus, GPa 190
38
Elongation at Break, % 20 to 22
48
Poisson's Ratio 0.29
0.39
Shear Modulus, GPa 73
14
Tensile Strength: Ultimate (UTS), MPa 650 to 910
31
Tensile Strength: Yield (Proof), MPa 430 to 550
27

Thermal Properties

Latent Heat of Fusion, J/g 250
46
Melting Completion (Liquidus), °C 1460
180
Melting Onset (Solidus), °C 1420
180
Specific Heat Capacity, J/kg-K 470
190
Thermal Conductivity, W/m-K 45
51
Thermal Expansion, µm/m-K 13
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
12

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.5
11
Embodied Energy, MJ/kg 20
180
Embodied Water, L/kg 49
930

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
14
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
9.9
Stiffness to Weight: Axial, points 13
2.4
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 23 to 32
1.0
Strength to Weight: Bending, points 21 to 27
2.5
Thermal Diffusivity, mm2/s 12
31
Thermal Shock Resistance, points 19 to 27
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), % 0.3 to 0.4
0
Chromium (Cr), % 0.4 to 0.65
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 97.3 to 98.3
0 to 0.020
Lead (Pb), % 0
35.8 to 37.5
Manganese (Mn), % 0.75 to 1.1
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.15 to 0.35
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
62.5 to 63.5
Zinc (Zn), % 0
0 to 0.0010