1901 – 2026 · 125 Years
Timelesscraftsmanship.
Unmatchedquality.
Service thatdelights.
Custom precious metal manufacturing since 1901. Precision wire, ribbon, seamless tubing and fabricated components for medical, aerospace, electronics and industrial applications.
125
Years of precision manufacturing, 1901–2026
0.0003″
Smallest wire diameter we draw
0.0002″
Thinnest ribbon we roll
20+
Industries served across 12 decades
125 years of processes perfected
Since 1901, Sigmund Cohn Corp. has refined its manufacturing processes across four generations of family ownership, building on industry standards, proprietary research and a century of institutional knowledge.
- Wire drawing, rolling and annealing
- Seamless tubing and precision fabrication
- Electroplating, enamelling and secondary processing
- Prototype through full production volumes
Only the best materials
Since 1901 we have sourced the purest forms of earth's natural metals platinum, gold, silver and palladium, alongside specialty and base metal alloys engineered for specific resistivities, tensile strengths and degrees of nobility.
- Platinum to 99.995% purity, including Reference Grade
- Gold from 99.98% to 99.999%
- Platinum-rhodium thermocouple alloys, Types R, S and B
- Proprietary alloys including Platinum #479® and #851®
Where failure is not an option
Our materials are found in implantable medical devices, minimally invasive surgical instruments, aerospace and defense systems, automotive safety technologies, precision sensors, temperature measurement devices, electronic components and sovereign coinage.
- Guidewires, marker bands and implantable electrodes
- Thermocouple wire and platinum RTDs
- Airbag initiators and spark plug electrodes
- Bonding wire, sputtering targets and slugs
Available in every market
Expanding into new industries year after year, Sigmund Cohn Corp. has pioneered manufacturing techniques and products across approximately twenty industries.
Medical
Radiopaque and biocompatible platinum alloys for interventional and implantable devices.
Aerospace & defense
High-temperature and corrosion-resistant alloys for instrumentation and fusing components.
Electronics & semiconductors
High-purity metals, bonding wire and deposition targets for microelectronics.
Temperature measurement
Thermocouple and RTD materials manufactured to ASTM E230 and ITS-90.
Four generations.
One standard.
In 2026, Sigmund Cohn Corp. celebrates 125 years in continuous operation as a family-owned manufacturer. President Thomas Cohn the founder's great-grandson leads a company whose products have earned their own registered names.
- 479 Alloy®
- Medwire®
- LTC®
- Pyrofuze®
- Coin Corp. International®
Celebrating 125 years · 1901–2026
Let's get it right together
Send us a specification, a drawing, or the problem you are trying to solve. Our engineers and metallurgists have been recommending the right alloy, form and tolerance for 125 years.