Nickel alloys foils - Import export

Hamilton Precision Metals is the world leader of precision-rolled foil and ultra-light gauge strip in any alloy. This includes stainless steel foil, titanium foil, nickel foil, copper based foil, cobalt based foil, Constantan® foil, Evanohm® foil, and many other alloys. Metal foil is generally defined as strip 0.004” (0.1016 mm) and below. Cold rolling strip to these extremely thin gauges demands extensive rolling expertise to manufacture with precision and consistency. Foil in Any Alloy We offer the broadest portfolio of almost every high performance alloy made today. Additional alloys are available upon request, contact us today! Stainless Steels Nickel Based Alloys Copper Based Alloys Cobalt Based Alloys Commercially Pure Titaniums Strain Gage: Constantan®, Evanohm®, Tightest Tolerances and Thinnest Gauges in the Industry We custom roll metal foil in nearly any alloy and specialty metal to the tightest tolerances and thinnest gauges

Phosphor Bronze A is a Copper base spring material with a good combination of strength, formability, and corrosion resistance. The material is suitable for use in certain contact springs and diaphragms. The alloy has good formability up to moderate strength. It can be soldered, silver brazed, and resistance welded. Available Sizes: Phosphor Bronze A is available from Hamilton Precision Metals as strip products in thicknesses from 0.001” to 0.020” (0.0254 mm to 0.508 mm) in widths up to 12.0” (304.8 mm). The material conforms to ASTM B 103 and UNS C51000.

Beryllium Copper 25 is a Copper base alloy with the capability of being strengthened by precipitation heat treatment. The alloy furnishes the best combination of electrical conductivity, corrosion resistance and mechanical strength necessary for numerous electronic and electromechanical devices. The alloy is quite satisfactory for fabrication with good formability and joining characteristics. Forming is readily accomplished from the annealed temper. Severe bending will be less successful from hard or heat treated tempers and requires large fold radius ratios. Beryllium Copper 25 is able to be soldered, brazed, and welded by most standard techniques. The brazing temperature must be kept under 1450º F and cycle time minimized to avoid loss of heat treated strength. Heat treating should be performed subsequent to welding to obtain uniform high strength. The alloy is not susceptible to an increase in magnetic attraction from plastic deformation during service

Shunt Manganin is a Copper-Manganese resistance alloy used for shunts in various high current applications. The alloy has a low temperature coefficient of resistivity with peak resistance at about 50°C. The thermal EMF vs. Copper is very low. The alloy can be easily formed from the annealed temper.The maximum recommended operating temperature in air is 200°F. Available Sizes: Shunt Manganin is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005 to 0.053” (0.0127 mm to 1.346 mm) in widths up to 12.0” (304.8 mm). It is also available in foil as thin as 0.000100” (0.00254 mm) in widths of 4.0” (101.6 mm) maximum.

Cu-Ni 715 is a copper-nickel alloy that is resistant to corrosion in sea water. The alloy has good fatigue strength and relatively high thermal conductivity. This alloy is used mainly for flexible metal foil heaters. The alloy is readily formed in the annealed temper, and can be joined by the standard welding, brazing and soldering processes. Available Sizes: Cu-Ni 715 is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.010” (0.0127 mm to 0.254 mm) in widths up to 12” (304.8 mm). The material conforms to ASTM B122 and UNS C71500.

HPM® 80/20 AL is a resistance alloy with a unique composition that provides deep draw capability. It is used as a heating element in electronic applications. HPM® 80/20 AL has good forming characteristic and canbe deep drawn. It is not suitable for extended exposure to air at the elevated temperatures. Available Sizes: HPM® 80/20 AL is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.050” (0.0127 mm to 1.27 mm) and width up to 12.0” (304.8 mm). Foil Product may be supplied to a thickness of 0.0001” (0.00254 mm) in width up to 4.0” (101.6 mm).

HPM® 80/20 A is a resistance alloy used in electric heating applications. It is recommended for use in dry air applications up to 2150°F with good hot strength. Such as, flexible metal foil heaters and airbag igniters. The alloy forms rather well and has good welding characteristic. Caution should be used to avoid extended exposure to elevated temperature in marginally oxidizing or partially reducing atmospheres as it would be susceptible to “green rot” corrosion, carburization and sulfurization. Available Sizes: HPM® 80/20 A is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.050” (0.0127 mm to 1.27 mm) and width up to 12” (304.8 mm). The material conforms to ASTM B-344. Foil product may be supplied in thickness to 0.0001” (0.00254 mm) in width up to 4.0” (101.6 mm).

Samples from heat 305992 at 0.045” thick in strand annealed condition Evaluation showed strip to be HRB 91, ASTM grain size 6 Weld beads placed on annealed strip via EB welding at International Beam Welding Corp.

HPM® Ni 52 is a Nickel-Iron alloy with a thermal expansion characteristic that corresponds to soft glass. Applications include magnetic reed switches and seals that need controlled linear expansion to about 1000°F. The alloy is readily formed or deep drawn from a fine grain annealed temper. Joining can be accomplished by conventional welding or brazing techniques. Useful magnetic characteristics can be produced from a continuous strand anneal. Available Sizes: HPM® Ni 52 available from Hamilton Precision Metals as strip product in thickness from 0.001” to 0.050” (0.0254 mm to 1.27 mm) in widths up to 12.0” (304.8 mm). The material conforms to UNS N14052.

HPM® Ni 42 is a Nickel-Iron alloy with a thermal expansion coefficient suitable for matching to the ceramic chip in numerous miniature electronic circuits The alloy is readily formed from the annealed temper and can be welded or brazed by standard methods. The alloy is not corrosion resistant at 20°C when exposed to a moist or salt-containing atmosphere. Available Sizes: HPM® Ni 42 is available from Hamilton Precision Metals as strip product in thicknesses from 0.001” to 0.050” (0.0254 mm to 1.27 mm) in widths up to 12.0” (304.8 mm). The material conforms to ASTM F30 and UNS K94100.

HPM® Ni 36 is a Nickel-Iron alloy with the lowest thermal expansion of any active alloy from -240°C to 330°C. It is selected when dimensional changes from temperature variation need to be minimized in electronic control devices, such as use within airbag igniters and precision metal stampings. The alloy can be readily formed from the annealed temper.Annealed hardness can be modified to approximately DPH 180 for best blanking characteristic. Grain size can be adjusted to provide the optimum deep drawing characteristic. It can be welded and brazed using conventional methods. Available Sizes: HPM® Ni 36 is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.025” (0.0127 mm to 0.635 mm) in widths up to 12.0” (304.8 mm). It is also available in foil as thin as 0.000100” (0.00254 mm) in widths of 4.0” (101.6 mm) maximum. The metal conforms to UNS K93603, ASTM F1684.

Precision C is a heat treatable Nickel-Iron Alloy used in critical diaphragm applications, such as, metal diaphragms for aerospace sensors and burst discs. The alloy composition provides a unique constant elastic modulus value over a temperature range of -50ºF to 150ºF. Precision C can be readily formed from the annealed temper. It has a work hardening rate similar to austenitic stainless steel. The material can be joined by TIG, EB, and resistance welding as well as by brazing and soft solder technique. The heat treatment of Precision C can be adjusted to produce the desired value for the thermoelastic coefficient at or near zero. The elevated strength in the heat treated temper results in low mechanical hysteresis and low drift. Available Sizes: Precision C is available from Hamilton Precision Metals as strip product in thickness from 0.0005” to 0.040” (0.0127 mm to 1.016 mm) and widths up to 8.0” (203.2 mm). The material conforms to ASM 5221 and UNS N09902.

MP35N®-LTi is a nonmagnetic nickel-cobalt-chromiummolybdenum alloy that has excellent corrosion resistance, can obtain ultrahigh tensile strengths (300 ksi) through work hardening and aging, and has good toughness and ductility. Applications include electrical components, spring contacts, medical instruments, such as stents and implant electronic connectors, chemical, food processing and marine environments. After work hardening, MP35N® alloy can be aged in the temperature range of 800/1200°F for increased strength. MP35N® will only respond to aging if in the work hardened condition. Service temperatures up to 750°F are recommended for work hardened material. MP35N® can be successfully TIG welded. MP35N® is produced by double vacuum melting, and as such, has a low nonmetallic inclusion level. Available Sizes: MP35N®-LTi is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.030” (0.0127 mm to 0.762 mm) and widths

HPM® X-750 is a precipitation –hardenable nickelchromium alloy which is well suited for a wide range of corrosive and oxidizing environments where strength must be maintained to elevated temperatures. The alloy composition provides a product which performs well at elevated temperatures up to 1300° Farenheit. The strength can be increased by heat treatment. The alloy is readily formable in the annealed temper and can be joined by the standard welding and brazing processes. Available Sizes: HPM® X-750 is available from Hamilton Precision Metals as strip product in thicknesses from 0.001” to 0.025” (0.0254 mm to 0.635 mm) in widths up to 12.0” (304.8 mm). The material conforms to AMS 5542, AMS 5598 and UNS N07750.

HPM® C 276 is a Nickel-Molybdenum-Chromium-Tungsten alloy with a high level of corrosion resistance. A low carbon content enables the alloy to resist intergranular corrosion at weld joints. These attributes make it an important alloy for the most severe chemical processing applications. such as use in metal diaphragms for aerospace sensors and burst discs. The alloy is readily formed from the annealed temper.All standard welding methods except oxy-acetylene can be used for joining. Available Sizes: HPM® C 276 is available from Hamilton Precision Metals as strip product in thicknesses From 0.0005” to 0.050” (0.0127 mm to 1.27 mm) and widths up to 12.0” (304.8 mm). The material conforms to ASTM B575 and UNS N10276.

HPM® 201 Nickel is a commercially pure wrought Nickel. With low carbon, the material has excellent corrosion resistance with high thermal and electrical conductivities. Making it perfect for use in flexible metal foil heaters. The alloy can be formed by all conventional cold-forming methods and can be joined by 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® 201 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 as 0.000100” (0.00254 mm) to 4.0” (101.6 mm) maximum width. The material conforms to ASTM B162, and UNS N02201.

Havar® is a heat treatable Cobalt base alloy that provides very high strength. The alloy has excellent corrosion resistance and is non-magnetic. Applications have included metal diaphragms for aerospace sensors, metal diaphragms for burst discs, power springs, gap spacers in magnetic heads, and target foils in nuclear physics. Forming cold rolled Havar requires large radius (90° Bend – 8 X thickness) prior to age hardening. The joining can be accomplished using both welding and soldering techniques.The ultimate endurance life is achieved by heat treating the alloy at 1000°F after 80% cold work. The alloy will retain 75% of room temperature strength up to 950°F (Figure 1). Available Sizes: Havar® is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.025” (0.0127 mm to 0.635 mm) and widths to 7.5” (190.5 mm). A foil product is available in thicknesses down to 0.000060” and widths of 4.0” (101.6 mm). The material corresponds to UNS R30004.

HPM 233® Nickel is a commercially pure wrought Nickel with low carbon. The material has excellent corrosion resistance with high thermal and electrical conductivities. A high thermal coefficient of electrical resistance makes it suitable for temperature sensors, and electronic components. The alloy can be formed by all conventional cold-forming methods and can be joined by 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 233® 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 as 0.000100” (0.00254 mm) in 4.0” (101.6 mm) maximum width. The material conforms to ASTM B162, ASTM F3, and UNS N02233.

HPM® 400 is a Nickel-Copper alloy with excellent corrosion resistant characteristics in marine environments. The alloy is readily formed from the annealed temper. It is easy to fabricate by conventional welding techniques. Available Sizes: HPM® 400 is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.050” (0.0127 mm to 1.27 mm) and widths up to 12.0” (304.8 mm). The material conforms to ASTM B127 and UNS N04400.

HPM® 600 is well suited for severe corrosive environments and is oxidation resistant through 2150°F. Such as, metal diaphragms for aerospace sensors, flexible metal foil heaters and metal diaphragms for burst discs. The strength can be increased by cold working. The material has good elevated strength retention through 800°F. The alloy is readily formed in the annealed temper, and can be joined by the standard welding, brazing and soldering processes. Available Sizes: HPM® 600 is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.050” (0.0127 mm to 1.27 mm) and width up to 12” (304.8 mm). It is also available in foil as thin as 0.000100” (0.00254 mm) in widths of 4.0” (101.6 mm) maximum. The material conforms to ASTM B168, AMS 5540, MIL N 23228 and UNS N06600.

Rodar® is an Iron-Nickel-Cobalt alloy with an unique linear thermal expansion coefficient. It is also stable to cryogenic temperatures. This combination of characteristics has prompted its application in electrical package sealing of glass/metal and ceramic/metal. Rodar® can be formed and deep drawn from the annealed temper. A 1/8 hard temper is optimum for heavy piercing.The material can be joined to other metals by welding, brazing, and soldering. The joint design must consider that Rodar® has a lower expansion coefficient than most other metals. Available Sizes: Rodar® is available from Hamilton Precision Metals as strip product in thicknesses from 0.001” to 0.060” (0.0254 mm to 1.524 mm) and width up to 12.0” (304.8 mm). The material conforms to ASTM F15, AMS 7728 and UNS K94610.

Constantan® is a copper-nickel alloy that contains specific minor amounts of additional elements to achieve precise values for the temperature coefficient of resistivity. Careful control of melting and conversion practices results in a very low level of pinholes at ultra-thin thicknesses. The alloy is used extensively for foil resistors and strain gauges. The TCR can be adjusted from the furnished cold rolled values by using a low temperature heat treatment to achieve compensation for all types of spring elements. The foil is normally supplied with 90% cold reduction and a smooth bright surface. The foil is reasonably flat at 4” wide and nearly free of pinholes. The cold rolled foil can be produced with a TCR between +10 to –35 PPM/°C. The heat treatment will shift the foil TCR to the desired value. A typical heat-treat curve for Constantan® shows decreasing resistivity but increasing TCR with increased heat-treating temperature.

HPM® 965 is a high purity Nickel-Iron alloy that exhibits moderate electrical resistivity and a high temperature coefficient of resistance. This combination of electrical characteristics makes it suitable for use as a self-regulating heating element or temperature sensor, such as use in flexible metal foil heaters. The alloy can be readily formed in the annealed temper and can be joined by standard welding methods. Available Sizes: HPM® 965 is available from Hamilton Precision Metals as foil and strip product in thicknesses from 0.0005” to 0.015” (0.0127 mm to 0.38 mm) and in widths up to 12” (304.8 mm). It is also available as thin as 0.000100” (0.00254 mm) and in widths up to 4” (101.6 mm) maximum.

HPM® Beryllium Nickel is a Beryllium-Nickel alloy capable of high strength through precipitation heat treatment. The excellent spring characteristics to 550°F make it suitable for many of the most demanding electromechanical devices. The alloy can be readily formed and even deep drawn from the annealed temper. Cold rolled tempers prior to heat treatment can be blanked and folded provided a radius to thickness ratio approaches 2.0. The optimum heat treatment for highest strength is 925ºF for 2 hours. The material can be joined using conventional TIG methods, silver brazed and soldered. Available Sizes: HPM® Beryllium Nickel is available from Hamilton Precision Metals as strip product in thicknesses from 0.0005” to 0.025” in (0.0127 to 0.635 mm) widths up to 7.0” (177.8 mm). A foil product is available as thin as 0.000085” (0.002159 mm) and widths of 4.0” (101.6 mm) maximum. The material conforms to UNS N03360.

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

HPM® 625 is a nickel-chromium-molybdenum alloy with niobium which is well suited for a wide range of severe corrosive environments. The alloy composition provides a product which performs well at elevated temperatures up to 1800°F. The strength can be increased by cold working. The alloy is readily formed in the annealed temper, and can be joined by the standard welding and brazing processes. Available Sizes: HPM® 625 is available from Hamilton Precision Metals as strip product in thicknesses from 0.001” to 0.025” (0.0254 mm to 0.635 mm) in widths up to 12.0” (304.8 mm). The material conforms to ASTM B443, AMS 5599 and UNS N06625.** **Hamilton Precision Metals can also supply product to AMS 5879 (UNS N06626) for demanding fatigue applications, which incorporates double melting, and restrictive limits for Carbon and Nitrogen.

Moly Permalloy® is a Nickel-Iron-Molybdenum alloy with a magnetic permeability that makes it suitable for electrical shielding applications. The alloy can be readily formed from the annealed temper.Effective magnetic shielding is provided by annealing at 1900°F or higher. Joining is accomplished by spot welding or tungsten inert gas welding. Available Sizes: Moly Permalloy® is available from Hamilton Precision Metals as strip product from 0.0005” to 0.015” (0.0127 mm to 0.38 mm) in widths to 12.0” (304.8 mm). It is also available in foil as thin as 0.000100” (0.00254 mm) in widths of 4.0” (101.6 mm) maximum. The metal conforms to ASTM A753, Type 4 and MIL N 14411, Type 1.