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Precious Metal PtRu10 Annealed vs PtRu10 Spring

Precious Metal · PtRu10 temper comparison

PtRu10 Annealed and PtRu10 Spring are two conditions of the same precious metal grade, PtRu10: Annealed versus Spring (spring hard). The chemistry is identical, so every difference below comes from the condition. PtRu10 Spring is the stronger of the two: yield strength 950 MPa (138 ksi) against 250 MPa (36.3 ksi) for PtRu10 Annealed, about 3.8 times as much; tensile strength follows at 1,050 MPa (152 ksi) vs 520 MPa (75.4 ksi). In exchange, PtRu10 Annealed is the more ductile: elongation 28% versus 2% for PtRu10 Spring, and PtRu10 Spring is harder (270 HB vs 133 HB). PtRu10 Annealed runs hotter in service (500°C vs 200°C continuous). On the shop floor, PtRu10 Spring machines more easily (fair vs poor) and PtRu10 Annealed welds better (very good vs fair).

PtRu10 AnnealedChoose it when the part is bent, formed or impact-loaded, or when the part sees heat.

PtRu10 SpringChoose it when strength drives the design, or when the part is machined in volume.

PtRu10 Annealed vs PtRu10 Spring: properties

PtRu10 AnnealedPtRu10 Spring

Mechanical

Strength, stiffness, ductility and hardness at room temperature.

Tensile Strength (Ultimate)

520 MPa75.4 ksi
1,050 MPa152 ksi

Yield Strength (0.2% offset)

250 MPa36.3 ksi
950 MPa138 ksi

Elongation at Break

28%
2%

Reduction in Area

55%
5%

Shear Strength

320 MPa46.4 ksi
640 MPa92.8 ksi

Fatigue Strength (Endurance Limit)

240 MPa34.8 ksi
440 MPa63.8 ksi

Hardness, Brinell

133 HB
270 HB

Hardness, Vickers

140 HV
290 HV

Same in both: Elastic (Young's) Modulus 200 GPa29 Msi · Shear Modulus 75 GPa10.9 Msi · Bulk Modulus 255 GPa37 Msi · Poisson's Ratio 0.38 · Hardness, Rockwell B 76 HRB

Physical

Density and transition temperatures.

Same in both: Density 20 g/cm³0.72 lb/in³ · Melting Point (Solidus) 1,780°C3,236 °F · Liquidus Temperature 1,800°C3,272 °F

Thermal

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

Thermal Conductivity

22 W/m·K12.7 BTU/hr·ft·°F
21 W/m·K12.1 BTU/hr·ft·°F

Max Service Temperature (continuous)

500°C932 °F
200°C392 °F

Same in both: Specific Heat Capacity 135 J/kg·K0.03 BTU/lb·°F · Thermal Expansion (CTE, 20–100 °C) 9 µm/m·K5 µin/in·°F · Latent Heat of Fusion 120 J/g51.6 BTU/lb · Min Service Temperature -200°C-328 °F

Electrical

Conductivity and insulation.

Electrical Conductivity

4 % IACS
3.8 % IACS

Electrical Resistivity

4.3×10⁻⁷ Ω·m16.9 µΩ·in
4.5×10⁻⁷ Ω·m17.7 µΩ·in

Chemical & Environmental

Corrosion and environmental resistance (0–100 scores).

Same in both: Galvanic Potential (seawater, vs SCE) 0.25 V · Corrosion Resistance 96 / 100

Manufacturability

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

Machinability

30 / 100
42 / 100

Machinability Rating (AISI 1212 = 100 %)

25%
35%

Weldability

70 / 100
50 / 100

Formability (cold)

75 / 100
12 / 100

Same in both: Castability 40 / 100 · Brazeability / Solderability 80 / 100 · Polishability 90 / 100

Sustainability

Primary-production footprint per kilogram.

Same in both: Embodied Energy (primary production) 220,000 MJ/kg9.46×10⁷ BTU/lb · Embodied Carbon (primary production) 13,500 kg CO₂/kg · Embodied Water 200,000 L/kg23,965 gal/lb · Typical Recycled Content 40%

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 scalePtRu10

PtRu10 Annealed vs PtRu10 Spring — frequently asked

Is PtRu10 Spring stronger than PtRu10 Annealed?

Yes. PtRu10 Spring has a typical yield strength of 950 MPa (138 ksi) against 250 MPa (36.3 ksi) for PtRu10 Annealed — about 3.8 times as much. Tensile strength is 1,050 MPa (152 ksi) vs 520 MPa (75.4 ksi).

Which condition does FabDigit quote by default, Annealed or Spring?

Annealed is the default PtRu10 condition in the FabDigit quote flow. The other condition is available on request or by drawing note — specify it in the material field or the part notes and the quote is priced for it.

Which is easier to machine, PtRu10 Annealed or PtRu10 Spring?

PtRu10 Spring. Its machinability rates fair (42/100) against poor (30/100) for PtRu10 Annealed; for welding the order is PtRu10 Annealed first (very good, 70/100) then PtRu10 Spring (fair, 50/100).

Ready to make it?

Upload a CAD file and FabDigit prices the part in PtRu10 Annealed and PtRu10 Spring 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.