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Ovsereved Contact Us GLOBAL Search this site 日本語 中文 Corporate Overview Products and Services Research and Development Sustainability News Corporate Overview Message from the Management Philosophy Quick Guide to JX Metals Business Segments Corporate Data Organization and Executive Officers Corporate History Operating Sites and Group Companies Long-Term Vision and Medium-Term Management Plan Purchasing Information Products and Services Search by Category Copper Alloys and Special Steel Products Copper Foil Sputtering Targets Compound Semiconductors and Crystal Materials Metal and Compound Powders Special Ceramic Powders High Purity Metals Surface Treatment Agents Upinorg (high-purity copper sulfate) Electroless UBM Plating Service MoSi2 Heater Shielding Materials Nonferrous Metals and Chemical Products Products Under Development Search by Keyword Semiconductors and Sensors Circuit Boards Assembly Displays Batteries and Energy Additive Manufacturing Connectors Magnetic Devices Electromagnetic Shielding Communications Optics Camera Modules Piezoelectricity Thermal Control Research and Development Our Core Technologies Contributing to Societal Growth and Innovation Initiatives for Co-creation Collaboration in the Group SQUARE LAB Sustainability Sustainability Report Toward Net-Zero CO2 Emissions Activities in Environmental Conservation CSR Purchasing News News Release Trade Fairs and Exhibitions MENU HOME Products and Services Copper Alloys and Special Steel Products Copper Alloy Strip High Conductivity Alloys NKE012 ― High Conductivity Copper Alloy High Conductivity Alloys NKE012 ― High Conductivity Copper Alloy NKE012(UNS Alloy No. C14415) Overview NKE012 is a copper alloy developed by adding small amounts of tin to copper and applying our proprietary rolling and thermal process technologies to improve strength, thermal resistance, and stress relaxation resistance properties while maintaining high electrical conductivity. At 90% IACS, the electrical conductivity is close to that of pure copper. It is well suited to applications requiring high electrical conductivity and heat dissipation. From bus bars to battery terminals and connectors, it is an ideal copper alloy for use in a wide range of electronic devices. S-S curve data Technical data Features 1.Electrical conductivity and thermal conductivity properties close to those of pure copper (90% IACS) 2.Superior to pure copper in strength, thermal resistance, and stress relaxation resistance (Temper EH: stress relaxation rate 30% or below at 150&＃8451;, 500 hours) 3.Excellent bend formability (180 degree contact bending possible at t = 0.64 mm) Table 1. NKE012 chemical composition (%)   Cu Sn Standard composition Remainder 0.12 Note that all numerical values shown are typical values. Table 2. Physical properties of NKE012 Electrical conductivity 90 %IACS (@20&＃8451;) Specific resistance 19 n&＃937;&＃183;m (@20&＃8451;) Thermal conductivity 350 W/mK Linear expansion coefficient 17.7 ×10-6/K (20 to 300&＃8451;) Modulus of elasticity 128 GPa Density 8.92 g/cm3 Note that all numerical values shown are typical values. Table 3. Mechanical properties of NKE012 (upper: typical values, lower: specification range) Temper Tensile strength (MPa) Yield strength (MPa) Elongation (%) Vickers hardness (Hv) H 430 (375-475) 420 ( - ) 3 min. 1.0 130 (95-160) EH 500 (410-600) 490 ( - ) 2 ( - ) 145 (105-175) Note that all numerical values shown are typical values. Temperature rise during current flow Test piece size (thickness × width × length): 0.15mm×0.5mm×30mm Current: 1 to 5 A For reference purpose only. They are observed values, not guaranteed values. Contact Information From the Web Contact Form Inquiries accepted 24 hours a day. 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