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      Beryllium copper, also known as copper beryllium, BeCu or beryllium bronze, is a metal alloy of copper and 0.5 to 3% beryllium, and sometimes with other alloying elements. There are a few alloys of Beryllium Copper but the most commonly used is “ALLOY 25” which available with us in ready stock.     ALLOY 25 Alloy 25 is also known as “CuBe2, C17200, BeCu, CDA 172, CB101, ISO CuBe2, CEN CW101C, A4/2, beryllium bronze”. This alloy which contains approximatively 2% of beryllium and achieves the highest mechanical strength and hardness after heat treatment of all copper beryllium alloys. In soft or slightly re-rolled condition, it exhibits excellent bending behaviour. It distinguishes itself by high fatigue strength, outstanding relaxation resistance at elevated temperatures and a unique combination of high strength and excellent electrical conductivity.   Similarly, we also have CuCrZr [C18150], CuNiBe / CuNi2Be [C17510], CuCo2Be [C17500], etc   PROPERTIES High Conductivity Elevated Temperature Strength Reflectivity Dimensional Stability Highly Machinable High Tensile Upto 300 Ksi. Non Sparkling Non Magnetic Galling / Water Resistance Strength And Toughness In Cryogenic Conditions Combination Of High Electrical And Thermal Conductivity, High Strength And Hardness Non-Magnetic Good Corrosion Resistance And Fatigue Resistance High Melting Point Excellent Metalworking, Forming And Machining Qualities Ductile, Weldable, And Machinable Alloy Resistant To Non-Oxidizing Acids (Eg: Hydrochloric Acid, Carbonic Acid) Fast Heating Fast Cooling Anti Galling Nozzles for Injection Machine APPLICATIONS Plastic Injection and Moulding Inserts Metal Die Casting Plunger Tips Spot Welding & Resistant Welding Electrodes Lightweight Structural Components In The Defense And Aerospace Industries In High-Speed Aircraft, Missiles, Space Vehicles And Communication Satellites. Springs & Spring Wires Load Cells Non-Sparking Tools in explosive potential environments Electrical Contacts In Switches & Connectors Structural Support For Printed Circuit Boards Microwave Tools For Hazardous Environments, Musical Instruments, Precision Measurement Devices, Bullets, And Aerospace Low-Current Contacts For Batteries Relays Bearings for Low Wear & Tear Watch Parts Such As Wheels, Watch Hands, Balances, Levers, etc Weighing Scale Balances Electro Magnetic (Emi) Shielding Golf Clubs On Wedges And Putters Electrical Engineering Automotive Connections Aerospace Systems Core Pins Pressure Housing For Precision Magnetometers And Instruments Retractable Antennas Telecommunication Cables Miniature Machine Electronic Sockets CHEMICAL COMPOSITIONS   Element Beryllium Nickel Co + Ni Co+Ni+ Fe Co Copper Grade Be Ni Cu BeCu C17200 1.80~ 2.20   0.20 0.60   Bal CuCo2Be C17500 0.40~0.70       2.40~2.70 Bal CuNi2Be C17510 0.20~0.60 1.40~2.20       Bal CuCo1NiBe CuCo1Ni1Be 0.40~0.70 0.80~1.30     0.80~1.30 Bal Also Available CuCrZr [C18150] – Cr 0.5~1.5, Zr 0.05~0.25, Cu Bal. Mechanical and Electrical PropertiesBeryllium Copper Rod, Bar and Tube    Alloy Temper(*) HeatTreatment Outside Diameteror DistanceBetween ParallelSurfacesinch TensileStrengthksi YieldStrength0.2% offsetksi Elongation% HardnessRockwellB or CScale ElectricalConductivity% IACS C17200 andC17300 A (TB00)   all sizes 60-85 20-35 20-60 B45-85 15-19 H (TD04)   up to 3/8 90-130 75-105 8-30 B88-103 15-19   over 3/8 to 1 90-125 75-105 8-30 B88-102 15-19   over 1 to 3 85-120 75-105 8-20 B88-101 15-19 AT (TF00) 3 hr600°F-625°F up to 3 165-200 145-175 4-10 C36-42 22-28 over 3 165-200 130-175 3-10 C36-42 22-28 HT (TH04)   up to 3/8 185-225 160-200 2-9 C39-45 22-28 2-3 hr600°F-625°F over 3/8 to 1 180-220 155-195 2-9 C38-44 22-28   over 1 to 3 175-215 145-190 4-9 C37-44 22-28 C17000 A (TB00)   all sizes 60-85 20-35 20-60 B45-85 15-19 H (TD04)   up to 3/8 90-130 75-105 8-30 B92-103 15-19   over 3/8 to 1 90-125 75-105 8-30 B91-102 15-19   over 1 to 3 85-120 75-105 8-20 B88-101 15-19 AT (TF00) 3 hr600°F-625°F up to 3 150-190 125-155 4-10 C32-39 22-28 over 3 150-190 125-155 3-10 C32-39 22-28 HT (TH04) 2-3 hr600°F-625°F up to 3/8 170-210 145-185 2-5 C35-41 22-28 over 3/8 to 1 170-210 145-185 2-5 C35-41 22-28 over 1 to 3 165-200 135-175 4-9 C34-39 22-28 C17510 A (TB00)   all sizes 35-55 10-30 20-35 B20-50 20-30 H (TD04)   up to 3 65-80 50-75 10-15 B60-80 20-30 AT (TF00) 3 hr900°F all sizes 100-130 80-100 10-25 B92-100 45-60 HT (TH04) 2 hr900°F up to 3 110-140 95-125 5-25 B95-102 48-60 *ASTM alphanumeric code for product tempers.   Mechanical and Electrical Properties for Beryllium Copper Strips & Foils Alloy Temper HeatTreatment TensileStrengthkg/mm2 YieldStrength0.2 % offsetkg/mm2 Elongation% FatigueStrengthkg/mm2, R= -1(108 cycles) Hardness ElectricalConductivity% IACS DiamondPyramid RockwellB or C RockwellSuperficial  C17200       A Dead Soft (TB00) --- 42 - 53 19 - 26 35-65 21 - 25 90-144 B45-78 30T46-67 15-19 A Planished (TB00) --- 42 - 55 21 - 39 35-60 21 - 25 90-144 B45-78 30T46-67 15-19 1/4 H (TD01) --- 52 - 62 42 - 57 20-45 22 - 25 121-185 B68-90 30T62-75 15-19 1/2 H (TD02) --- 59 - 71 52 - 67 12-30 22 - 27 176-216 B88-96 30T74-79 15-19 H (TD04) --- 70 - 85 63 - 81 2-18 25 - 27 216-287 B96-102 30T79-83 15-19 AT (TF00) 3 hr. at 315 °C 116 - 138 98 - 124 3-15 28 - 32 353-413 C36-42 30N56-62 22-28 1/4 HT (TH01) 2 hr. at 315 °C 123 - 145 105 - 131 3-10 28 - 32 353-424 C36-43 30N56-63 22-28 1/2 HT (TH02) 2 hr. at 315 °C 130 - 152 112 - 138 1-8 30 - 33 373-435 C38-44 30N58-63 22-28 HT (TH04) 2 hr. at 315 °C 133 - 155 116 - 145 1-6 32 - 35 373-446 C38-45 30N58-65 22-28  C17200 AM (TM00) Mill Hardened 70 - 78 49 - 67 16-30 28 - 32 210-251 B95-C23 30N37-44 17-28 1/4 HM (TM01) Mill Hardened 77 - 85 56 - 78 15-25 29 - 33 230-271 C20-26 30N41-47 17-28 1/2 HM (TM02) Mill Hardened 84 - 95 66 - 88 12-22 30 - 34 250-301 C23-30 30N44-51 17-28 HM (TM04) Mill Hardened 94 - 106 77 - 95 9-20 32 - 37 285-343 C28-35 30N48-55 17-28 SHM (TM05) Mill Hardened 105 - 113 87 - 99 9-18 33 - 39 309-363 C31-37 30N52-56 17-28 XHM (TM06) Mill Hardened 108 - 124 94 - 120 4-15 35 - 40 317-378 C32-38 30N52-58 17-28 XHMS (TM08) Mill Hardened 123 - 134 105 - 127 3-12 35 - 42 325-413 C33-42 30N53-62 17-28  C17200   TM00 Mill Hardened 70 min 52 - 67 19-35 28 - 32 225-309 B98-C31 30T81-30N52 17-26 TM02 Mill Hardened 84 min 66 - 81 14-30 30 - 34 255-339 C25-34 30N46-54 17-26 TM04 Mill Hardened 98 min 80 - 95 9-25 31 - 35 285-369 C28-38 30N48-58 17-26 TM06 Mill Hardened 109 min 94 - 109 6-13 33 - 40 317-393 C32-40 30N52-60 17-26 TM08 Mill Hardened 123 min 108 - 124 3-15 35 - 42 345-429 C35-43 30N55-62 17-26 C17460 3/4 HT (TH03) Mill Hardened 80 - 95 66 - 81 11min 32 - 33       50min HT (TH04) Mill Hardened 84 - 99 73 - 88 10min 29 - 32       50min C17410 1/2 HT (TH02) Mill Hardened 66 - 81 56 - 70 10-20 28 - 32 180-230 B89-98 30T75-82 50 min HT (TH04) Mill Hardened 77 - 92 70 - 84 7-17 28 - 32 210-278 B95-102 30T79-30N48 45-60 C17510 AT (TF00) Mill Hardened 70 - 92 56 - 71 10-25 27 - 31 195-275 B92-100 30T77-82 45-60 HT (TH04) Mill Hardened 77 - 95 66 - 85 8-20 30 - 33 216-287 B95-102 30T79-83 48-60 PRODUCT STOCK RANGE   FOILS 0.005 to 0.045 mm can be produced against your requirements. Some thicknesses are available in ready stock.   SHEETS or STRIPS IN COILS Thickness (mm) Width (mm) Length (mm) Stock Position 0.05 to 0.90 mm 4 to 300 mm Coil Ready Stock 1.0 to 10.00 200 mm 1000 mm Ready Stock   RODS or ROUNDS Dia (mm) Length (mm) Stock Position 1 to 50 1 meter or more Ready Stock 50 to 600 As Required Ready Stock   WIRES or ROUND WIRES Dia (mm) Length & Packing Stock Position 0.10 to 2.00 Spools & Coils Ready Stock   BLOCKS or SLABS From Ready Stock, we offer Cut-To-Size pieces as per your dimensions and requirements.     MINIMUM ORDER QUANTITY (MOQ) We have no MOQ for the stock available with us. We request MOQ only when we it is not a regular size, grade, etc. Your Order is never too small for us.   BERYLLIUM  MASTER  INGOTS   We can offer various ULTRA PURE VACUUM SMELTED beryllium alloys as follows: Beryllium Copper: CuBe2, CuBe4, CuBe10 Beryllium Nickel: NiBe6, NiBe14 Beryllium Aluminium: AlBe2.5, AlBe5 Beryllium Magnesium: MgBe2, MgBe3, MgBe4   OTHER  BERYLLIUM  ALLOYS   We can also offer products of other kinds of Beryllium Alloys like Cobalt-Copper-Beryllium Beryllium Nickel Aluminium Beryllium Beryllium Magnesium many more…  DALI ELECTRONICS  ·  VIJAY COMMERCIAL HOUSE 8/a, Haroon Building, 190 Shamaldas Gandhi Marg, Mumbai 400002, Mh, India. Mobile: +91-9820299360 / 9821236275 · Ph: +91-22-22017128, 22038204 Fax: +91-22-22016629  ·  E-mail: Website: