Solder & Low-Melting Alloy Sn60Pb40 vs Sn60Pb40E
Solder & Low-Melting Alloy · grade comparison
Solder & Low-Melting Alloy Sn60Pb40 and Sn60Pb40E are both solder & low-melting alloy grades. Sn60Pb40 is the stronger of the two: yield strength 32 MPa (4.64 ksi) against 30 MPa (4.35 ksi) for Sn60Pb40E, about 7% more. Sn60Pb40 is the more ductile: elongation 40% versus 35% for Sn60Pb40E, and Sn60Pb40E is harder (14 HV vs 13 HV).
Sn60Pb40Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.
Sn60Pb40 vs Sn60Pb40E: 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
Poisson's Ratio
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Shear Strength
Fatigue Strength (Endurance Limit)
Hardness, Vickers
Same in both: Hardness, Brinell 16 HB
Physical
Density and transition temperatures.
Density
Same in both: Melting Point (Solidus) 183°C361 °F · Liquidus Temperature 190°C374 °F
Thermal
How each material carries heat and how hot it can run.
Specific Heat Capacity
Latent Heat of Fusion
Same in both: Thermal Conductivity 50 W/m·K28.9 BTU/hr·ft·°F · Thermal Expansion (CTE, 20–100 °C) 24.5 µm/m·K13.6 µin/in·°F · Max Service Temperature (continuous) 100°C212 °F · Min Service Temperature -55°C-67 °F
Electrical
Conductivity and insulation.
Same in both: Electrical Conductivity 11.5 % IACS · Electrical Resistivity 1.5×10⁻⁷ Ω·m5.91 µΩ·in
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Corrosion Resistance
Same in both: Galvanic Potential (seawater, vs SCE) -0.5 V
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Brazeability / Solderability
Polishability
Weldability
Same in both: Machinability 30 / 100 · Formability (cold) 90 / 100 · Castability 92 / 100
Sustainability
Primary-production footprint per kilogram.
Embodied Water
Typical Recycled Content
Same in both: Embodied Energy (primary production) 200 MJ/kg85,985 BTU/lb · Embodied Carbon (primary production) 10.5 kg CO₂/kg
Common Calculations
Ratios derived from the values above.
Specific Stiffness (E / density)
Modulus of Resilience
Thermal Diffusivity
Same in both: Specific Strength (UTS / density) 6 kN·m/kg · Thermal Shock Resistance Index 3
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 | Sn60Pb40 | Sn60Pb40E |
|---|---|---|
| Default condition | — | — |
| Relative cost | $$$$ High | $$$$ High |
| Min. machined wall | — | — |
| Best machined surface | — | — |
Sn60Pb40 vs Sn60Pb40E — frequently asked
Is Sn60Pb40 stronger than Sn60Pb40E?
Yes. Sn60Pb40 has a typical yield strength of 32 MPa (4.64 ksi) against 30 MPa (4.35 ksi) for Sn60Pb40E — about 7% more. Tensile strength is 52 MPa (7.54 ksi) vs 50 MPa (7.25 ksi).
Which is cheaper, Sn60Pb40 or Sn60Pb40E?
Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.
When should I choose Sn60Pb40 over Sn60Pb40E?
Pick Sn60Pb40 when strength drives the design, or when the part is bent, formed or impact-loaded.
Ready to make it?
Upload a CAD file and FabDigit prices the part in Sn60Pb40 and Sn60Pb40E 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.