Precious Metal AgCu-Eutectic vs AgSnO2In2O3
Precious Metal · grade comparison
Precious Metal AgCu-Eutectic and AgSnO2In2O3 are both precious metal grades. AgSnO2In2O3 is the stronger of the two: yield strength 205 MPa (29.7 ksi) against 130 MPa (18.9 ksi) for AgCu-Eutectic, about 58% more. In exchange, AgCu-Eutectic is the more ductile: elongation 30% versus 9% for AgSnO2In2O3, and AgSnO2In2O3 is harder (90 HB vs 65 HB). AgCu-Eutectic runs hotter in service (300°C vs 250°C continuous) and AgCu-Eutectic conducts electricity better (86 % IACS vs 66 % IACS). On the shop floor, AgCu-Eutectic machines more easily (50 vs 40 out of 100) and AgCu-Eutectic welds better (fair vs poor).
AgCu-EutecticChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.
AgSnO2In2O3Choose it when strength drives the design.
AgCu-Eutectic vs AgSnO2In2O3: propertiesHow to read these bars
- One bar per material. A full bar is the highest value among all precious metal 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 precious metal 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
Bulk Modulus
Poisson's Ratio
Tensile Strength (Ultimate)
Yield Strength (0.2% offset)
Elongation at Break
Reduction in Area
Shear Strength
Fatigue Strength (Endurance Limit)
Hardness, Brinell
Hardness, Rockwell B
Hardness, Vickers
Same in both: Shear Modulus 32 GPa4.6 Msi
Physical
Density and transition temperatures.
Density
Melting Point (Solidus)
Liquidus Temperature
Thermal
How each material carries heat and how hot it can run.
Thermal Conductivity
Specific Heat Capacity
Thermal Expansion (CTE, 20–100 °C)
Latent Heat of Fusion
Max Service Temperature (continuous)
Min Service Temperature
Electrical
Conductivity and insulation.
Electrical Conductivity
Electrical Resistivity
Chemical & Environmental
Corrosion and environmental resistance (0–100 scores).
Galvanic Potential (seawater, vs SCE)
Corrosion Resistance
Manufacturability
FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.
Machinability
Machinability Rating (AISI 1212 = 100 %)
Weldability
Formability (cold)
Castability
Brazeability / Solderability
Polishability
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 Strength (UTS / density)
Specific Stiffness (E / density)
Modulus of Resilience
Thermal Diffusivity
Thermal Shock Resistance Index
Strength versus weight
Yield strength against density for every precious metal grade in the FabDigit library; the compared grades are highlighted. Up and left is stronger for its weight.
Manufacturing and finishing
| Capability | AgCu-Eutectic | AgSnO2In2O3 |
|---|---|---|
| Default condition | — | — |
| Relative cost | $$$$ High | $$$$ High |
| Min. machined wall | — | — |
| Best machined surface | — | — |
AgCu-Eutectic vs AgSnO2In2O3 — frequently asked
Is AgSnO2In2O3 stronger than AgCu-Eutectic?
Yes. AgSnO2In2O3 has a typical yield strength of 205 MPa (29.7 ksi) against 130 MPa (18.9 ksi) for AgCu-Eutectic — about 58% more. Tensile strength is 280 MPa (40.6 ksi) vs 300 MPa (43.5 ksi).
Which is cheaper, AgCu-Eutectic or AgSnO2In2O3?
Both sit in the same relative cost tier ($$$$, high); the part price will be decided by machining time, tolerance and quantity rather than by the material.
Which is easier to machine, AgCu-Eutectic or AgSnO2In2O3?
AgCu-Eutectic, by a small margin. Both rate fair for machinability — 50/100 against 40/100 for AgSnO2In2O3; for welding the order is AgCu-Eutectic first (fair, 40/100) then AgSnO2In2O3 (poor, 30/100).
Ready to make it?
Upload a CAD file and FabDigit prices the part in AgCu-Eutectic and AgSnO2In2O3 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.