Solder & Low-Melting Alloy Pb50Sn50 vs Pb50Sn50E
Solder & Low-Melting Alloy · grade comparison
Solder & Low-Melting Alloy Pb50Sn50 and Pb50Sn50E are both solder & low-melting alloy grades. Both yield at about 27 MPa — strength does not separate them. Pb50Sn50E is stiffer (25 GPa vs 23 GPa).
Pb50Sn50 vs Pb50Sn50E: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all solder & low-melting alloy grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
How to read these bars
- One bar per material. A full bar is the highest value among all solder & low-melting alloy grades in the FabDigit library; each bar is drawn as a share of that.
- The better value (by the usual engineering direction) is in bold. Rows with no direction — density, thermal conductivity — have no bold.
- Values are typical room-temperature figures for the condition named on each card.
- Confirm against the certified mill or resin datasheet before design release.
Mechanical
Strength, stiffness, ductility and hardness at room temperature.
Elastic (Young's) Modulus
Shear Modulus
Bulk Modulus
Elongation at Break
Fatigue Strength (Endurance Limit)
Hardness, Vickers
Same in both: Poisson's Ratio 0.4 · Tensile Strength (Ultimate) 42 MPa6.1 ksi · Yield Strength (0.2% offset) 27 MPa3.9 ksi · Shear Strength 34 MPa4.9 ksi · Hardness, Brinell 14 HB
Physical
Density and transition temperatures.
Density
Same in both: Melting Point (Solidus) 183°C361 °F · Liquidus Temperature 216°C421 °F
Thermal
How each material carries heat and how hot it can run.
Thermal Expansion (CTE, 20–100 °C)
Latent Heat of Fusion
Min Service Temperature
Same in both: Thermal Conductivity 50 W/m·K28.9 BTU/hr·ft·°F · Specific Heat Capacity 176 J/kg·K0.04 BTU/lb·°F · Max Service Temperature (continuous) 100°C212 °F
Electrical
Conductivity and insulation.
Same in both: Electrical Conductivity 10.9 % IACS · Electrical Resistivity 1.58×10⁻⁷ Ω·m6.22 µΩ·in
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Galvanic Potential (seawater, vs SCE)
Same in both: Corrosion Resistance 45 / 100
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability Rating (AISI 1212 = 100 %)
Weldability
Formability (cold)
Same in both: Machinability 30 / 100 · Castability 90 / 100 · Brazeability / Solderability 98 / 100 · Polishability 20 / 100
Sustainability
Primary-production footprint per kilogram.
Embodied Energy (primary production)
Embodied Carbon (primary production)
Embodied Water
Typical Recycled Content
Common Calculations
Ratios derived from the values above.
Specific Stiffness (E / density)
Modulus of Resilience
Thermal Diffusivity
Same in both: Specific Strength (UTS / density) 5 kN·m/kg · Thermal Shock Resistance Index 4
Strength versus weight
Yield strength against density for every solder & low-melting alloy grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.
Manufacturing and finishing
| Capability | Pb50Sn50 | Pb50Sn50E |
|---|---|---|
| Default condition | — | — |
| Relative cost | $$$$ High | $$$$ High |
| Min. machined wall | — | — |
| Best machined surface | — | — |
Pb50Sn50 vs Pb50Sn50E — frequently asked
What is the difference between Pb50Sn50 and Pb50Sn50E?
Solder & Low-Melting Alloy Pb50Sn50 and Pb50Sn50E are both solder & low-melting alloy grades. Both yield at about 27 MPa — strength does not separate them. Pb50Sn50E is stiffer (25 GPa vs 23 GPa).
Which is cheaper, Pb50Sn50 or Pb50Sn50E?
Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.
Ready to make it?
Upload a CAD file and FabDigit prices the part in Pb50Sn50 and Pb50Sn50E side by side — material, machining time, tolerance and finish in one quote. Certified material data ships with the order on request.
Typical handbook values for the conditions named above, normalised for comparison. Hardness on non-Brinell scales is converted approximately for charting only. Request certified data with your order for design-critical properties.