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EN 1.4938 Stainless Steel vs. Solder Alloy 704

EN 1.4938 stainless steel belongs to the iron alloys classification, while solder alloy 704 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4938 stainless steel and the bottom bar is solder alloy 704.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
51
Elongation at Break, % 16 to 17
30
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 76
19
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
55

Thermal Properties

Latent Heat of Fusion, J/g 270
62
Melting Completion (Liquidus), °C 1460
240
Melting Onset (Solidus), °C 1420
220
Specific Heat Capacity, J/kg-K 470
220
Thermal Conductivity, W/m-K 30
50
Thermal Expansion, µm/m-K 11
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
13
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
15

Otherwise Unclassified Properties

Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.3
19
Embodied Energy, MJ/kg 47
320

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 31 to 37
2.1
Strength to Weight: Bending, points 26 to 29
4.3
Thermal Diffusivity, mm2/s 8.1
30
Thermal Shock Resistance, points 30 to 35
3.5

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
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.080 to 0.15
0
Chromium (Cr), % 11 to 12.5
0
Copper (Cu), % 0
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 80.5 to 84.8
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0.4 to 0.9
0
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
0 to 0.010
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
4.8 to 5.2
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
94.3 to 95.2
Vanadium (V), % 0.25 to 0.4
0
Zinc (Zn), % 0
0 to 0.0010