Colsibro®
Copper nickel silicon
When clients send blueprints to BLR Engineering for the manufacture of specialised automotive components, the company relies on only the highest quality engineering materials. For valve guides and valve seats, BLR insist on using Columbia Metals’ copper nickel silicon alloys, Colsibro® and Trojan.
“The parts we make are used in classic car, motorcycle and racing engines,” explains Ian Mole, the proprietor of BLR Engineering. “We choose Columbia Metals to supply Colsibro® and Trojan as there are no comparable products in the marketplace. We have found the service from Columbia Metals to be first class.”
About BLR Engineering
BLR Engineering has 40 years’ experience in precision engineering, automotive engineering, cylinder head refurbishment and general engineering. The company also provides specialist advice and services to motorcycle and car enthusiasts and to the motor trade.
About Colsibro®
Colsibro® is a copper nickel silicon alloy that offers a remarkable blend of physical and mechanical attributes unrivalled by many other grades of copper alloy. Its combination of high strength, corrosion resistance, high thermal and electrical conductivity, excellent wear resistance, spark resistance and good cryogenic properties makes Colsibro® the perfect selection for high performance engine components such as valve guides, valve seats, gears and bushes. Columbia Metals holds stocks of Colsibro® from 3/16” to 4” diameter, as well as in hexagon and flat bar.
About Trojan
Trojan is the ultimate high strength copper nickel silicon alloy. It has exceptional mechanical strength, high thermal and electrical conductivity, excellent wear resistance and good corrosion resistance. It is used extensively in the motorsport industry, where high performance and safety are of paramount importance, and finds application in components including valve bodies, fasteners, bushes, slip rings and safety tools. Available only from Columbia Metals, Trojan is stocked from 2-65mm diameter.