Electrical material - Import export

AMETEK Specialty Metal Products has been a leader in developing roll bonding dissimilar metals for more than fifty years. The advantage of clad materials is the end product combines the superior properties of each metal: Strength, Corrosion Resistance, Lightweight, Cost, Thermal and Electrical Conductivity. As a result, clad products produce a material superior to any of the individual metals taken alone. Clad metals produced by our roll bond technology combine two or more metals into a single sheet or plate that can be cut, welded or formed into a finished part ranging from chemical processing chambers and pressure vessels to small applications and clad pipe. We specialize in cladding stainless steel or nickel alloys to carbon steel as well as triple layer clad plates bonding stainless steel to an aluminum core. Because of the properties offered by clad metals, and the wide variety of cladding and backing materials available today, these metals can be combined to make custom

Evanohm® R is a unique resistance alloy with high electrical resistivity and very low temperature coefficient of resistivity (TCR). The alloy is produced by melting and conditioning practices which result in a low level of pinholes at ultra-thin thicknesses. This combination of attributes with inherent corrosion resistance makes it suitable for a variety of strain gauge, foil heaters and airbag igniters. The alloy is supplied with 90% cold reduction which has a positive TCR of about 70 PPM/ºC. A stabilizing heat treatment (approximately 475ºC) during manufacture of finished parts adjusts the TCR to a desired value. The heat treatment virtually eliminates any drift tendency of the resistivity. A heat-treat curve for each melt is developed at Hamilton and is made available as a guide in regulating TCR. Sizes Evanohm® R is available from Hamilton Precision Metals as foil and strip product in thicknesses from 0.0005” to 0.010” (0.0127 mm to 0.254 mm) and in widths up to 12.0”

We offer two Spinodal alloy grades produced through the same wrought powder metallurgy as copper based products with nickel and tin additions. Our Pfinodal® (C72900) and AM 388® (C72650) spinodal materials deliver similar mechanical properties to Beryllium Copper alloy (C17200) but without the carcinogenic exposure risks. Advantages include: No carcinogenic elements - only copper/nickel/tin Ductile state and heat treatable Electrically conductive Reduced distortion during heat treatment Reduced stress relaxation Safe Alternative to Beryllium Copper (UNS C17200) Recently, Pfinodal® and AM-388® have been chosen as a replacement for Beryllium Copper due to the carcinogenic effects of Beryllium and fears of bans on Beryllium containing products due to REACH, RoHS, and OSHA mandates. Spinodal materials are gaining acceptance in new projects as well as legacy qualifications as manufacturers, OEMs, and consumers reject products

HPM ® 270 Nickel is the highest purity Nickel. The controlled low impurity level provides uniform and repeatable mechanical, electrical, and magnetic properties. The material has excellent corrosion resistance with high thermal and electrical conductivities. A high thermal coefficient of electrical resistance makes it suitable for strain gauges, temperature sensors, and electronic components. The alloy can be formed by all conventional cold forming methods, and can be joined by resistance welding, brazing and soldering. The corrosion resistance is generally very good in most mediums, although, it is subject to intergranular embrittlement by sulfur compounds above 315°C Available Sizes: HPM ® 270 Nickel is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.020” (0.0127 mm to 0.508 mm) in widths up to 12.0” (304.8 mm). It is available as foil as thin

Our specialized Pfinodal® C72900 material is a Spinodal copper based alloy with nickel and tin additions. It competes with Beryllium Copper alloy C17200 for electrical connectors and bearing materials where high strength and excellent formability without dimensional instability are required.