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EN 1.4951 Stainless Steel vs. Solder Alloy 191

EN 1.4951 stainless steel belongs to the iron alloys classification, while solder alloy 191 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4951 stainless steel and the bottom bar is solder alloy 191.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
19
Elongation at Break, % 38
32
Poisson's Ratio 0.27
0.43
Shear Modulus, GPa 79
6.5
Tensile Strength: Ultimate (UTS), MPa 630
29

Thermal Properties

Latent Heat of Fusion, J/g 300
27
Melting Completion (Liquidus), °C 1410
300
Melting Onset (Solidus), °C 1360
300
Specific Heat Capacity, J/kg-K 480
130
Thermal Conductivity, W/m-K 15
24
Thermal Expansion, µm/m-K 16
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
7.2

Otherwise Unclassified Properties

Density, g/cm3 7.9
11
Embodied Carbon, kg CO2/kg material 4.3
5.8
Embodied Energy, MJ/kg 61
95

Common Calculations

Stiffness to Weight: Axial, points 14
0.93
Stiffness to Weight: Bending, points 25
8.0
Strength to Weight: Axial, points 22
0.72
Strength to Weight: Bending, points 21
1.9
Thermal Diffusivity, mm2/s 3.9
16
Thermal Shock Resistance, points 14
3.9

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), % 0.040 to 0.080
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 49.1 to 57
0 to 0.020
Lead (Pb), % 0
92.4 to 94
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 19 to 22
0 to 0.010
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.7
0
Silver (Ag), % 0
1.2 to 1.8
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
4.8 to 5.2
Zinc (Zn), % 0
0 to 0.0010