Photo: sigmundcohn.com
Get prices and lead times from Sigmund Cohn
What you can buy
Copper & brass
- Blanks
- Precision strip
Sizes
- Precision and fine wire
- Drawn to diameters as small as 0.0003"; annealed, stress-relieved or hard-drawn tempers; electroplated, enamelled, multistrand and Wollaston wire
- Clad wire
- Silver-clad platinum and platinum/rhodium with cores as fine as 0.00025"
- Precision ribbon and flat wire
- Rolled from round wire to thicknesses as thin as 0.0002", width-to-thickness ratios from 2:1 up to 75:1, custom widths and edge profiles
- Seamless tubing
- Seamless tubing in platinum group metals and gold for medical, aerospace, analytical and industrial use
- Coin blank planchets
- Platinum, palladium, gold and gold-alloy planchets for government and private mints, made through Coin Corp. International on automated blanking equipment
- Alloys
- Platinum and platinum alloys, platinum-rhodium and thermocouple alloys, gold, silver and silver-copper, copper and copper-based alloys, nickel and electrical resistance alloys, high-temperature specialty metals
- Precious metal management
- Metal sourcing, pool and toll accounts, scrap recovery and precious-metal refining
- Laboratory
- In-house ICP and atomic absorption analysis, Certificates of Analysis and Conformance, failure investigations
About Sigmund Cohn
Sigmund Cohn is a precious-metal and specialty-alloy wire, ribbon and tubing manufacturer in Mount Vernon, New York, founded in 1901. It draws platinum, platinum-rhodium, gold, silver, copper, nickel and resistance-alloy wire down to 0.0003 inch, rolls flat wire and ribbon as thin as 0.0002 inch, makes seamless precious-metal tubing and blanks coin planchets, serving medical device, sensing, automotive, aerospace and electronics manufacturers.
- Processing
- Blanking, Cold rolling
- Industries served
- Medical devices, Automotive, Aerospace and defense, Coinage and mints, Sensing and control devices, Electronics, Temperature sensing
- Certifications
- ISO 9001:2015
- Ownership
- Family-owned
Location
Mount Vernon, NY
Headquarters
Photos
Prices and lead times from Sigmund Cohn, without the phone tag.