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Precious Metal Pd950/Pd500 vs Pt99.95

Precious Metal · grade comparison

Precious Metal Pd950/Pd500 and Pt99.95 are both precious metal grades. Pd950/Pd500 is the stronger of the two: yield strength 150 MPa (21.8 ksi) against 45 MPa (6.53 ksi) for Pt99.95, about 3.3 times as much; tensile strength follows at 320 MPa (46.4 ksi) vs 140 MPa (20.3 ksi). In exchange, Pt99.95 is the more ductile: elongation 40% versus 30% for Pd950/Pd500, and Pd950/Pd500 is harder (95 HB vs 39 HB). Pd950/Pd500 is lighter (12 g/cm³ vs 21.45 g/cm³ for Pt99.95) and Pt99.95 is stiffer (168 GPa vs 120 GPa). On the shop floor, Pd950/Pd500 machines more easily (fair vs poor) and Pt99.95 welds better (excellent vs very good).

Pd950/Pd500Choose it when strength drives the design, or when weight is the constraint.

Pt99.95Choose it when the part is bent, formed or impact-loaded, or when the part sees heat.

Pd950/Pd500 vs Pt99.95: properties

Pd950/Pd500Pt99.95

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Elastic (Young's) Modulus

120 GPa17.4 Msi
168 GPa24.4 Msi

Shear Modulus

44 GPa6.4 Msi
61 GPa8.8 Msi

Bulk Modulus

180 GPa26.1 Msi
230 GPa33.4 Msi

Poisson's Ratio

0.39
0.38

Tensile Strength (Ultimate)

320 MPa46.4 ksi
140 MPa20.3 ksi

Yield Strength (0.2% offset)

150 MPa21.8 ksi
45 MPa6.5 ksi

Elongation at Break

30%
40%

Reduction in Area

55%
90%

Shear Strength

210 MPa30.5 ksi
110 MPa16 ksi

Fatigue Strength (Endurance Limit)

140 MPa20.3 ksi
—

Hardness, Brinell

95 HB
39 HB

Hardness, Rockwell B

56 HRB
—

Hardness, Vickers

100 HV
41 HV

Physical

Density and transition temperatures.

Density

12 g/cm³0.43 lb/in³
21.45 g/cm³0.77 lb/in³

Melting Point (Solidus)

1,550°C2,822 °F
1,768°C3,214 °F

Liquidus Temperature

1,565°C2,849 °F
1,768°C3,214 °F

Thermal

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

Thermal Conductivity

60 W/m·K34.7 BTU/hr·ft·°F
71.6 W/m·K41.4 BTU/hr·ft·°F

Specific Heat Capacity

244 J/kg·K0.06 BTU/lb·°F
133 J/kg·K0.03 BTU/lb·°F

Thermal Expansion (CTE, 20–100 °C)

11.8 µm/m·K6.6 µin/in·°F
8.8 µm/m·K4.9 µin/in·°F

Latent Heat of Fusion

157 J/g67.5 BTU/lb
113 J/g48.6 BTU/lb

Max Service Temperature (continuous)

500°C932 °F
1,500°C2,732 °F

Min Service Temperature

-200°C-328 °F
-253°C-423 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

11 % IACS
16.3 % IACS

Electrical Resistivity

1.6×10⁻⁷ Ω·m6.3 µΩ·in
1.06×10⁻⁷ Ω·m4.17 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Galvanic Potential (seawater, vs SCE)

0.2 V
0.25 V

Corrosion Resistance

92 / 100
100 / 100

Manufacturability

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

Machinability

45 / 100
25 / 100

Machinability Rating (AISI 1212 = 100 %)

35%
25%

Weldability

75 / 100
90 / 100

Formability (cold)

85 / 100
98 / 100

Polishability

85 / 100
92 / 100

Same in both: Castability 55 / 100 · Brazeability / Solderability 80 / 100

Sustainability

Primary-production footprint per kilogram.

Embodied Energy (primary production)

180,000 MJ/kg7.74×10⁷ BTU/lb
210,000 MJ/kg9.03×10⁷ BTU/lb

Embodied Carbon (primary production)

9,000 kg CO₂/kg
14,000 kg CO₂/kg

Embodied Water

250,000 L/kg29,957 gal/lb
200,000 L/kg23,965 gal/lb

Typical Recycled Content

35%
30%

Common Calculations

Ratios derived from the values above.

Specific Strength (UTS / density)

27 kN·m/kg
7 kN·m/kg

Specific Stiffness (E / density)

10 MN·m/kg
7.8 MN·m/kg

Modulus of Resilience

94 kJ/m³
6 kJ/m³

Thermal Diffusivity

20.5 mm²/s
25.1 mm²/s

Thermal Shock Resistance Index

14
7

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 scalePt99.95Pd950/Pd500

Manufacturing and finishing

CapabilityPd950/Pd500Pt99.95
Default condition——
Relative cost$$$$ High$$$$ High
Min. machined wall——
Best machined surface——

Pd950/Pd500 vs Pt99.95 — frequently asked

Is Pd950/Pd500 stronger than Pt99.95?

Yes. Pd950/Pd500 has a typical yield strength of 150 MPa (21.8 ksi) against 45 MPa (6.53 ksi) for Pt99.95 — about 3.3 times as much. Tensile strength is 320 MPa (46.4 ksi) vs 140 MPa (20.3 ksi).

Which is cheaper, Pd950/Pd500 or Pt99.95?

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, Pd950/Pd500 or Pt99.95?

Pd950/Pd500. Its machinability rates fair (45/100) against poor (25/100) for Pt99.95; for welding the order is Pt99.95 first (excellent, 90/100) then Pd950/Pd500 (very good, 75/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in Pd950/Pd500 and Pt99.95 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.