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Precious Metal Argentium 935 vs Coin Silver 900

Precious Metal · grade comparison

Precious Metal Argentium 935 and Coin Silver 900 are both precious metal grades. Coin Silver 900 is the stronger of the two: yield strength 100 MPa (14.5 ksi) against 80 MPa (11.6 ksi) for Argentium 935, about 25% more; tensile strength follows at 290 MPa (42.1 ksi) vs 260 MPa (37.7 ksi). In exchange, Argentium 935 is the more ductile: elongation 45% versus 40% for Coin Silver 900, and Coin Silver 900 is harder (66 HB vs 48 HB). Coin Silver 900 runs hotter in service (250°C vs 200°C continuous). On the shop floor, Argentium 935 machines more easily (good vs fair) and Argentium 935 welds better (excellent vs good).

Argentium 935Choose it when the part is bent, formed or impact-loaded, or when the part is machined in volume.

Coin Silver 900Choose it when strength drives the design, or when the part sees heat.

Argentium 935 vs Coin Silver 900: properties

Argentium 935Coin Silver 900

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

76 GPa11 Msi
78 GPa11.3 Msi

Shear Modulus

28 GPa4.1 Msi
29 GPa4.2 Msi

Bulk Modulus

102 GPa14.8 Msi
103 GPa14.9 Msi

Tensile Strength (Ultimate)

260 MPa37.7 ksi
290 MPa42.1 ksi

Yield Strength (0.2% offset)

80 MPa11.6 ksi
100 MPa14.5 ksi

Elongation at Break

45%
40%

Reduction in Area

50%
—

Shear Strength

170 MPa24.7 ksi
185 MPa26.8 ksi

Hardness, Brinell

48 HB
66 HB

Hardness, Vickers

50 HV
70 HV

Hardness, Rockwell B

—
30 HRB

Same in both: Poisson's Ratio 0.37 · Fatigue Strength (Endurance Limit) 100 MPa14.5 ksi

Physical

Density and transition temperatures.

Density

10.3 g/cm³0.37 lb/in³
10.31 g/cm³0.37 lb/in³

Melting Point (Solidus)

800°C1,472 °F
779°C1,434 °F

Liquidus Temperature

890°C1,634 °F
875°C1,607 °F

Thermal

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

Specific Heat Capacity

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

Max Service Temperature (continuous)

200°C392 °F
250°C482 °F

Min Service Temperature

-196°C-321 °F
-200°C-328 °F

Same in both: Thermal Conductivity 330 W/m·K191 BTU/hr·ft·°F · Thermal Expansion (CTE, 20–100 °C) 18.9 µm/m·K10.5 µin/in·°F · Latent Heat of Fusion 105 J/g45.1 BTU/lb

Electrical

Conductivity and insulation.

Electrical Conductivity

80 % IACS
85 % IACS

Electrical Resistivity

2.15×10⁻⁸ Ω·m0.846 µΩ·in
2.03×10⁻⁸ Ω·m0.799 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

0.05 V
0.1 V

Corrosion Resistance

78 / 100
70 / 100

Manufacturability

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

Machinability

55 / 100
40 / 100

Machinability Rating (AISI 1212 = 100 %)

55%
40%

Weldability

90 / 100
55 / 100

Formability (cold)

95 / 100
88 / 100

Brazeability / Solderability

88 / 100
95 / 100

Polishability

96 / 100
95 / 100

Same in both: Castability 80 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

1,600 MJ/kg687,877 BTU/lb
1,450 MJ/kg623,388 BTU/lb

Embodied Carbon (primary production)

120 kg CO₂/kg
100 kg CO₂/kg

Typical Recycled Content

60%
40%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

25 kN·m/kg
28 kN·m/kg

Specific Stiffness (E / density)

7.4 MN·m/kg
7.6 MN·m/kg

Modulus of Resilience

42 kJ/m³
64 kJ/m³

Thermal Diffusivity

136.3 mm²/s
133.4 mm²/s

Thermal Shock Resistance Index

60
65

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 scaleArgentium 935Coin Silver 900

Manufacturing and finishing

CapabilityArgentium 935Coin Silver 900
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

Argentium 935 vs Coin Silver 900 — frequently asked

Is Coin Silver 900 stronger than Argentium 935?

Yes. Coin Silver 900 has a typical yield strength of 100 MPa (14.5 ksi) against 80 MPa (11.6 ksi) for Argentium 935 — about 25% more. Tensile strength is 290 MPa (42.1 ksi) vs 260 MPa (37.7 ksi).

Which is cheaper, Argentium 935 or Coin Silver 900?

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, Argentium 935 or Coin Silver 900?

Argentium 935. Its machinability rates good (55/100) against fair (40/100) for Coin Silver 900; for welding the order is Argentium 935 first (excellent, 90/100) then Coin Silver 900 (good, 55/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in Argentium 935 and Coin Silver 900 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.