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Precious Metal AgSnO2In2O3 vs B477

Precious Metal · grade comparison

Precious Metal AgSnO2In2O3 and B477 are both precious metal grades. B477 is the stronger of the two: yield strength 250 MPa (36.3 ksi) against 205 MPa (29.7 ksi) for AgSnO2In2O3, about 22% more; tensile strength follows at 470 MPa (68.2 ksi) vs 280 MPa (40.6 ksi). B477 is the more ductile: elongation 30% versus 9% for AgSnO2In2O3, and B477 is harder (130 HV vs 95 HV). AgSnO2In2O3 is lighter (9.95 g/cm³ vs 15 g/cm³ for B477) and B477 is stiffer (100 GPa vs 88 GPa). On the shop floor, B477 welds better (good vs poor).

AgSnO2In2O3Choose it when weight is the constraint.

B477Choose it when strength drives the design, or when the part is bent, formed or impact-loaded.

AgSnO2In2O3 vs B477: properties

AgSnO2In2O3B477

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

88 GPa12.8 Msi
100 GPa14.5 Msi

Shear Modulus

32 GPa4.6 Msi
37 GPa5.4 Msi

Bulk Modulus

104 GPa15.1 Msi
145 GPa21 Msi

Poisson's Ratio

0.37
0.38

Tensile Strength (Ultimate)

280 MPa40.6 ksi
470 MPa68.2 ksi

Yield Strength (0.2% offset)

205 MPa29.7 ksi
250 MPa36.3 ksi

Elongation at Break

9%
30%

Shear Strength

175 MPa25.4 ksi
290 MPa42.1 ksi

Hardness, Brinell

90 HB
—

Hardness, Vickers

95 HV
130 HV

Fatigue Strength (Endurance Limit)

—
170 MPa24.7 ksi

Physical

Density and transition temperatures.

Density

9.95 g/cm³0.36 lb/in³
15 g/cm³0.54 lb/in³

Liquidus Temperature

962°C1,764 °F
995°C1,823 °F

Same in both: Melting Point (Solidus) 960°C1,760 °F

Thermal

How each material carries heat and how hot it can run.

Thermal Conductivity

320 W/m·K185 BTU/hr·ft·°F
40 W/m·K23.1 BTU/hr·ft·°F

Specific Heat Capacity

240 J/kg·K0.06 BTU/lb·°F
155 J/kg·K0.04 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

17.5 µm/m·K9.7 µin/in·°F
15 µm/m·K8.3 µin/in·°F

Latent Heat of Fusion

95 J/g40.8 BTU/lb
75 J/g32.2 BTU/lb

Max Service Temperature (continuous)

250°C482 °F
400°C752 °F

Min Service Temperature

-60°C-76 °F
-200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

66 % IACS
9 % IACS

Electrical Resistivity

2.61×10⁻⁸ Ω·m1.03 µΩ·in
1.9×10⁻⁷ Ω·m7.48 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

0.1 V
0.25 V

Corrosion Resistance

85 / 100
95 / 100

Manufacturability

FabDigit workshop ratings (0–100 scores) — how each material behaves on the machine.

Weldability

30 / 100
65 / 100

Formability (cold)

45 / 100
90 / 100

Brazeability / Solderability

55 / 100
90 / 100

Polishability

60 / 100
95 / 100

Machinability Rating (AISI 1212 = 100 %)

—
35%

Castability

—
70 / 100

Same in both: Machinability 40 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

1,500 MJ/kg644,885 BTU/lb
150,000 MJ/kg6.45×10⁷ BTU/lb

Embodied Carbon (primary production)

130 kg CO₂/kg
11,000 kg CO₂/kg

Embodied Water

25,000 L/kg2,996 gal/lb
200,000 L/kg23,965 gal/lb

Typical Recycled Content

40%
60%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

28 kN·m/kg
31 kN·m/kg

Specific Stiffness (E / density)

8.8 MN·m/kg
6.7 MN·m/kg

Modulus of Resilience

239 kJ/m³
313 kJ/m³

Thermal Diffusivity

134 mm²/s
17.2 mm²/s

Thermal Shock Resistance Index

58
13

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.

50100200500101520Density (g/cm³)Yield strength (MPa) — log scaleAgSnO2In2O3B477

Manufacturing and finishing

CapabilityAgSnO2In2O3B477
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

AgSnO2In2O3 vs B477 — frequently asked

Is B477 stronger than AgSnO2In2O3?

Yes. B477 has a typical yield strength of 250 MPa (36.3 ksi) against 205 MPa (29.7 ksi) for AgSnO2In2O3 — about 22% more. Tensile strength is 470 MPa (68.2 ksi) vs 280 MPa (40.6 ksi).

Which is cheaper, AgSnO2In2O3 or B477?

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 welds better, AgSnO2In2O3 or B477?

B477. Its weldability rates good (65/100) against poor (30/100) for AgSnO2In2O3.

Ready to make it?

Upload a CAD file and FabDigit prices the part in AgSnO2In2O3 and B477 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.