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EN 1.7725 Steel vs. Solder Alloy 301

EN 1.7725 steel belongs to the iron alloys classification, while solder alloy 301 belongs to the otherwise unclassified metals. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.7725 steel and the bottom bar is solder alloy 301.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250 to 300
23
Elastic (Young's, Tensile) Modulus, GPa 190
40
Elongation at Break, % 14
51
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
15
Tensile Strength: Ultimate (UTS), MPa 830 to 1000
55
Tensile Strength: Yield (Proof), MPa 610 to 860
49

Thermal Properties

Latent Heat of Fusion, J/g 250
55
Melting Completion (Liquidus), °C 1460
140
Melting Onset (Solidus), °C 1420
140
Specific Heat Capacity, J/kg-K 470
160
Thermal Conductivity, W/m-K 39
19
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
4.9

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.8
13
Embodied Energy, MJ/kg 24
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 130
27
Resilience: Unit (Modulus of Resilience), kJ/m3 980 to 1940
30
Stiffness to Weight: Axial, points 13
2.5
Stiffness to Weight: Bending, points 24
13
Strength to Weight: Axial, points 29 to 35
1.8
Strength to Weight: Bending, points 25 to 28
3.7
Thermal Diffusivity, mm2/s 11
13
Thermal Shock Resistance, points 24 to 29
7.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
56.5 to 59
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.27 to 0.34
0
Chromium (Cr), % 1.3 to 1.7
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 95.7 to 97.5
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0.6 to 1.0
0
Molybdenum (Mo), % 0.3 to 0.5
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
41 to 43
Vanadium (V), % 0.050 to 0.15
0
Zinc (Zn), % 0
0 to 0.0010