mds_stol194_english

Page 1 CuFe2P C19400 STOL®194 Industrial Rolled Alloy Designation STOL®194 EN CuFe2P DIN CEN/TS 13388 CW107C UNS C19400 Chemical Composition Weight percentage Cu Rest % Fe 2.1 .. 2.6 % Zn 0.05 .. 0.2 % Other ≤ 0.2 % This alloy is in accordance with RoHS 2002/96/CE for electric & electronic equip- ments and 2002/53/CE for automotive industry. Physical Properties Typical values in annealed temper at 20 °C Density 8.8 g/cm³ Thermal expansion coefficient 20 .. 300 °C 16.3 10-6/K Specific heat capacity 0.385 J/(g·K) Thermal conductivity 260 W/(m·K) Electrical conductivity (1 MS/m = 1 m/(Ω mm²) 35 MS/m Electrical conductivity (IACS) 60 % Thermal coefficient of electrical resistance (0 .. 100 °C) 3.3 10-3/K Modulus of elasticity ( 1 GPa = 1 kN/mm²) cold formed 125 GPa Preferred Applications Spring Contact Switches and Relays Leadframes for Semiconductors Current Carrying Capacity Fuse Relay Box Punched Screen x xx xx x x = well suited xx = particularly well suited Characteristics STOL®194 is a medium strength alloy, with fine Fe precipitations. It combines high conductivity with medium strength and good relaxation properties. The alloy is listed in USA by EPA to have good antimicrobial properties. High Performance STOL® Alloys We have developed a wide range of high performance copper alloys with excellent properties regarding conductivity, strength, corrosion behaviour, bendability and relaxation properties. STOL® alloys are the first choice materials for high-end applications and products. Main Applications Automotive: Fuel Injectors, Electrical Connectors-Automotive. Consumer: Gift Hollow Ware Electrical: Circuit Breaker Components, Contact Springs, Leadframes, Electrical Connectors, Cable Warp, Electrical Springs, Clamps, Plug Contacts, Fuse Clips, Terminal. Fasteners: Rivets Industrial: Welded Condenser Tubes, Gaskets, Eyelets, Flexible Metal Hose, Stamped parts. Page 2 Corrosion Resistance* STOL®194 has good corrosion resistance in natural atmosphere (also sea air) and industrial atmosphere. In different waters and neutral saline solutions, it shows better resistance to corrosion through abrasion and pitting than SF-Cu. STOL®194 is insensitive to stress corrosion cracking. * For more details call our technical service Fabrication Properties* Cold Forming Properties Good Machinability (Rating 20) Less suitable Electroplating Properties Good Hot Tinning Properties Excellent Soft Soldering, Brazing Excellent Resistance Welding Good Gas Shielded Arc Welding Excellent Laser Welding Good * For more details call our technical service Mechanical Properties (EN 1652) Temper Tensile Strength Rm Yield Strength Minimum Rp0.2 Elongation Minimum A50mm Hardness HV * MPa MPa % HV R360 360 .. 430 270 15 110 .. 135 R430 430 .. 510 380 10 130 .. 150 R510 510 .. 560 430 7 140 .. 160 R530 ≥ 530 470 4 ≥ 140 *only for information Electrical Conductivity Electrical conductivity is strongly influenced by chemical composition. A high level of cold deformation and small grain size decrease the electrical conductivity moderately. Minimum conductivity level can be specified. 32 34 36 38 40 42 44 R360 R430 R500 R550 Temper E . C on du ct iv ity [M S /m ] CuFe2P C19400 STOL®194 Industrial Rolled Page 3 90° Bending 0 1 2 3 4 5 6 7 8 R360 R430 R500 R550 re l. B en di ng R ad iu s R /T bending edge transvers to rolling direction bending edge in rolling direction Bending test according to EN ISO 7438 is done with 10 mm wide samples. Smaller samples in general – as well as lower thickness – allow a lower bending radius without cracks. If needed we supply bending optimized temper classes that far exceed standard quality. Please take care when comparing with ASTM E 290 results, there the bend definition direction is contradictory. Bending Properties Thickness: ≤ 0.5 mm Bending Definition Transverse = good way Parallel = bad way 180° Parallel 90° Parallel 90° Transverse 180° Transverse Minimum Bending Radius Calculation To find out the minimum possible bending radius take the R/T value from the list. Example: R/T = 0.5 and thickness 0.3 mm Minimum radius = (R/T) x thickness = 0.5 x 0.3 mm = 0.15 mm 180° Bending 0 1 2 3 4 5 6 7 8 R360 R430 R500 R550 re l. B en di ng R ad iu s R /T bending edge transvers to rolling direction bending edge in rolling direction Bending Properties* Temper Thickness Range Bending 90° Bending 180° Trans- vers Parallel Trans -vers Parallel mm R/T R/T R/T R/T R360 ≤ 0.5 0 0 0 0.5 R430 ≤ 0.5 0.5 1 1 1.5 R500 ≤ 0.5 1 2 2 3 R550 ≤ 0.5 2.5 4.5 3.5 5 * Measured at sample width 10 mm according to EN 1654 Possible bending radius = (R/T) x thickness CuFe2P C19400 STOL®194 Industrial Rolled Page 4 Relaxation Properties 0 10 20 30 40 50 60 70 80 90 100 10 100 1000 10000 Time [h] R em ai ni ng S tre ss [% ] R490 100°C R490 150°C R490 200°C P kt (XY) 4 Stress relaxation is tested with cantilever bending test equipment. This method is taking short time relaxation into account. so that the values achieved are very realistic, while other test methods like tube test pretend better properties from the achieved values. Relaxation values give an indication about stress relieve of strip under tension for a certain time and temperature. As it is measured on plain strip. the behaviour of deformed parts may differ. nevertheless the ratio between the different tempers remains the same. Typical test sample thickness is 0.3 – 0.6 mm. 0 10 20 30 40 50 60 70 80 90 100 10 100 1000 10000 Time [h] R em ai ni ng S tre ss [% ] R490 100°C R490 150°C R490 200°C 0 10 20 30 40 50 60 70 80 90 100 10 100 1000 10000 Time [h] R em ai ni ng S tre ss [% ] R490 100°C R490 150°C R490 200°C 0 10 20 30 40 50 60 70 80 90 100 10 100 1000 10000 Time [h] R em ai ni ng S tre ss [% ] R490 100°C R490 150°C R490 200°C Initial Stress: 50% of Rp0.2 Parallel Rolling Direction Initial Stress: 80% of Rp0.2 Transverse Rolling Direction Initial Stress: 80% of Rp0.2 Parallel Rolling Direction Initial Stress: 50% of Rp0.2 Transverse Rolling Direction CuFe2P C19400 STOL®194 Industrial Rolled Page 5 Bend Fatigue (at room temperature) The fatigue strength gives an indication about the resistance to variations in applied tension. It is measured under symmetrical alternating load. The maximum bending load for 107 load cycles without crack is measured. Dependent on the temper class it is approximately 1/3 of the tensile strength Rm. Softening Resistance 0 20 40 60 80 100 120 140 160 180 200 0 60 300 1800 3600 Time [s] Vi ck er s H ar dn es s H V R370 at 400°C R370 at 450°C R370 at 500°C After short time heat treatment Vickers Hardness is measured. The diagram shows typical values. Sanitary and Antimicrobial Properties © Marc Solioz. University of Bern Copper has been recognised as a hygienic material since the dawn of civilisation and, in the last two centuries, the anecdotal evidence has been supported by scientific research showing that copper is antimicrobial, i.e. it inhibits the growth of harmful pathogens - bacteria, moulds, algae, fungi and viruses. Due to its high copper content of about 98% STOL®194 provides the full antimicrobial properties of copper to inhibit the growth of bacteria, viruses and fungi which are in contact for a short period of time on copper containing surfaces. Copper surfaces have sanitizing properties and self-sanitizing activity that make it attractive for hygienic and sanitary use e.g. in hospitals, nursing homes and other healthcare facilities or public buildings. The effect has been verified in recent scientific studies on a range of disease-causing organisms including MRSA, Clostridium difficile, E.coli, Listeria monocytogenes, Influenza A (H1N1) and Aspergillus niger . Picture: Copper coin (Irish penny) on an agar plate with cells of E. coli bacteria For more details please contact our technical service 0 20 40 60 80 100 120 140 160 180 200 0 60 300 1800 3600 Time [s] Vi ck er s H ar dn es s H V R470 at 400°C R470 at 450°C R470 at 500°C CuFe2P C19400 STOL®194 Industrial Rolled Page 6 Customized Tolerances Our products are produced in accordance with relevant norms EN 1652 / EN 1654. Customer specific tolerances for Thickness, Width, Camber, Transverse Flatness, Evenness, Twist and Coil set can be defined. We will be happy to meet your demands. EN 1652 defines only camber. Thickness Tolerance Thickness Range [mm] EN 1652 ≤350 mm [mm] KME Standard [mm] KME Precision [mm] 0.10 .. 0.20 0.018 0.005 0.004 0.21 .. 0.30 0.022 0.007 0.005 0.31 .. 0.40 0.025 0.015 0.006 0.41 .. 0.50 0.030 0.015 0.008 0.51 .. 0.60 0.040 0.017 0.010 0.61 .. 0.70 0.040 0.020 0.010 0.71 .. 0.85 0.040 0.022 0.012 0.86 .. 1.30 0.050 0.025 0.015 1.31 .. 2.00 0.060 0.030 0.020 2.01 .. 3.00 0.070 0.045 0.025 3.00 .. 4.00 0.100 0.050 0.025 4.00 .. 6.00 0.120 0.060 0.030 Evenness Tolerance Thickness Range [mm] Width Range [mm] 7 .. 20 21 .. 50 51 .. 100 0.10 .. 0.50 +0.10 +0.20 +0.30 0.50 .. 1.00 +0.15 +0.25 +0.35 Width Tolerance Standard / Precision Thickness Range [mm] Width Range [mm] 10 .. 50 51 .. 100 101 .. 200 201 .. 350 351 .. 700 700 .. 1.250 0.10 .. 1.00 +0.2 / +0.1 +0.3 / +0.2 +0.4 / +0.3 +0.6 / +0.4 +1.0 / +0.5 - 0.20 .. 1.00 +0.2 / +0.1 +0.3 / +0.2 +0.4 / +0.3 +0.6 / +0.4 +1.0 / +0.5 +2.0 1.01 .. 2.00 +0.3 / +0.2 +0.4 / +0.2 +0.5 / +0.4 +1.0 / +0.6 +1.5 / +0.7 +2.0 2.01 .. 3.00 +0.5 / +0.3 +0.6 / +0.3 +0.7 / +0.5 +1.2 / +0.7 +2.0 / +0.9 +3.0 3.01 .. 6.00 +2.0 / - +2.3 / - +2.5 / - +3.0 / - +4.0 / - +6.0 Roughness Ra [µm] Thickness [mm] 0.13 .. 0.18 0.1 .. 2.0 0.20 .. 0.30 0.1 .. 2.0 0.35 .. 0.46 0.1 .. 2.0 On request > 2.0 Camber Coil set Transverse Flatness Evenness L h R ol lin g di re ct io n Rolling direction Twist L L hh L angle CuFe2P C19400 STOL®194 Industrial Rolled Page 7 Formats Dimension* Coil Strip thickness (other thicknesses on request) Strip width Outside diameter Weight (Standard) Weight (Deep-Drawing Quality) Weight per mm ≥ 0.1 .. 6.00 ≥ 3 .. 690 ≤ 1.400 ≤ 8.400 ≤ 8.000 ≤ 12.0 mm mm mm kg kg kg Traverse wound strip Thickness Width Weight Drums: wood, plastic, metal, flangeless ≥ 0.2 .. ≤ 1.50 ≥ 8 .. ≤ 60.0 300 .. 1.500 mm mm kg TECSTRIP® _multicoil Thickness Width Inner diameter 300 mm for thickness Inner diameter 400 mm for thickness Maximum weight Outer diameter maximum 0.18 .. 0.80 15 .. 50 0.15 .. 0.80 0.41 .. 0.80 5.000 1.600 mm mm mm mm kg mm Sheet ≤ 6.35 mm Thickness Width Length Weight Sheets in standard dimensions e.g. 1,000 x 2,000 mm 0.3 .. 6.35 50 ..690 200 .. 6.500 2.800 .. 8.000 mm mm mm kg Sheet > 6.35 mm Thickness Width Length Weight Sheets in standard dimensions e.g. 1,000 x 2,000 mm 6.35 .. 9.50 50 .. 690 200 .. 7.500 ≤ 10.000 mm mm mm kg Plate Thickness Width Length Weight 9.5 .. 150 ≤ 720 ≤ 15.000 ≤ 8.000 mm mm mm kg Disc Thickness Diameter Weight 0.3 .. 150 20 .. 690 ≤ 10.000 mm mm kg * Some combinations might not be possible CuFe2P C19400 STOL®194 Industrial Rolled Page 8 Surface coatings & Special Treatments * Dimension Hot-Dip tinned and STOL®28M Tin-Silver STOL®13 Thermic Sn Different thickness per side possible Width Thickness Tin Layer Thickness ≤ 330 ≤ 1.5 0.4 .. 20 mm mm µm Electroplating Tin, Silver, Gold, Cu-Flash, Ni-Flash, Selective plating Width Thickness Other coatings on request ≤ 400 ≤ 2.5 mm mm Profiled strips STOL®Multigauge Width Thickness Other width on request 15 .. 90 0.23 .. 1 mm mm Surface with extra low residual carbon content possible. Protection with oil or adhesive foil on request * Further details you find at www.kme.com Standards for copper and copper alloys EN 1652 Plate, sheet, strip and circles for general purposes EN 1654 Strip for springs and connectors EN 1758 Strip for lead frames EN 13148 Hot-dip tinned strip EN 13599 Copper plate, sheet and strip for electrical purposes EN 14436 Electrolytically tinned strip CuFe2P C19400 STOL®194 Industrial Rolled Page 9 Disclaimer This material flyer is giving you general information about our products. We have collected the information with great care, even though KME can take no warranty for the completeness, correctness and for being up-to-date. The statements are in no way to be deemed as an advisory service of our company, but are only descriptive without guaranteeing or granting property-related qualities. The data given cannot replace expert advice or customers own tests. 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