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Tellurium Copper Alloy
C17500 CDA 175 Cobalt Beryllium Copper Round Bars Rods 12x500mm
Place of Origin | China |
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Brand Name | CUBERYLLIUM |
Certification | ISO ROHS |
Model Number | C17500(CDA 175) |
Minimum Order Quantity | 30kg |
Price | USD 30~50/KG |
Packaging Details | Pack in coil+waterproofing winding film+Drier+Wooden Case |
Delivery Time | 10~15 Working days |
Payment Terms | L/C, T/T |
Supply Ability | 50T/Month |

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xName | C17500 (CDA 175) Cobalt Beryllium Copper Round Rods/Bars | ASTM | ASTM B441 |
---|---|---|---|
Surface | Bright | Specification | 12*500mm |
State | AT(TF00) | Heat Treatment | 3 Hr 480℃ |
Typical Application | Electrical Industry | Shape For Available | Rod&Bar |
Hardness | B92~100 Rockwell B Scale | Brand | CUBERYLLIUM® |
Tensile Strength | 680~900 Mpa | Elongation Percent | 10~30 Min |
Electrical Conductivity | 45~60% IACS | ||
High Light | C17500 Beryllium Copper Round Bars 12x500mm,CDA 175 Cobalt Beryllium Copper Round Bars 12x500mm,C17500 beryllium bronze 12x500mm |
C17500 (CDA 175) Cobalt Beryllium Copper Round Rods/Bars With All Sizes
Product Description:
Name: Cobalt Beryllum Copper Round Rods/Bars
Grade: C17500 (CDA 175)
End Product Form: Rods/ Bars
Standard: ASTM B441
Processing: Seamless / Welding
Feature: Anti corrosion and wear resistant materials
Package: Pack in coil+waterproofing winding film+Drier+Wooden Case
Specification: All sizes
CUBERYLLIUM® manufactures copper beryllium in several distinct compositions. These fall into two categories: alloys selected for high strength (Alloys 172,173,170) and alloys selected for high conductivity (Alloys 751,750,741). And Gost standard QBe2,QBe1.9Ti for Russia Market. Also Supply Master alloy : CuBeryllium-200; CuBeryllium-275);CuBeryllium-350 and Cuberyllium-400 to global factory.
CUBERYLLIUM ®-750 also named -C17500 (CDA 750) combine moderate yield strength, up to 960Mpa(140ksi), with electrical and thermal conductivity from 45 to 60 % of pure copper. Alloys 750 and 751 are available in wrought product forms and can be supplied fully hardened. Hardened products are identified by the temper designation AT or HT, and have good formability.
Chemical Composition of C17500 (CDA 175) Cobalt Beryllium Copper Alloys:
CUBERYLLIUM® Brand | UNS-Number | Beryllium | Cobalt | Nickel | Cobalt+Nickel | Lead | Copper |
Cuberyllium-C750 | C17500 | 0.40-0.70 | 2.4~2.7 | - | - | - | Balance |
Related material specifications of C17500 (CDA 175) Cobalt Beryllium Copper Alloys:
Rods/Bars/Tubes: ASTM B441, SAE J461, 463; RWMA Class 3
Strips: ASTM B534
Sheets: ASTM B534
Wires: ASTM B441
Plates: ASTM B534, SAE J461, RWMA Class 3
European Standards: CuCo2Be, CuCoBe, UNS. C17500, Alloy 10, DIN 2.1285, CW104C to EN
Note:
ASTM: American Society for Testing and Materials
SAE: Society of Automotive Engineers
AMS: Aerospace Materials Specification(Published by SEA)
RWMA: Resistance Welder Manufacturers' Association
Note: Unless otherwise specified, material will be produced by ASTM.
Physical Properties of C17500 (CDA 175) Cobalt Beryllium Copper Alloys:
Density | 8.83 | g/cm3 |
Density before age hardening | 8.75 | g/cm3 |
Melting Range | 1000~1070 | ℃ |
Elastic Modulus | 14.1 | (kg/mm2 (103) |
Thermal Expansion Coefficient | 18 x 10 -6 | 20 °C to 200 °C m/m/°C |
Thermal Conductivity | 0.48 | cal/(cm-s-°C) |
Typical Applications for C17500 (CDA 175) Cobalt Beryllium Copper Alloys:
A: Electrical Industry: Switch Parts, Connectors, Spring Connectors, Fuse Clips, Relay Parts;
B: Fasteners: Washers, Fasteners;
C: Industrial: Spring, Resistance Welding Equipment, Resistance and Spot Welding Tips, Seam Welding Dies, Die-Casting Plunger Tips, Tooling for Plastic Moulds.
Mechanical Properties of C17500 (CDA 175) Cobalt Beryllium Copper Round Rods/Bars:
Hardness, Rockwelle B | 78-88 |
Tensile Strength, Ultimate | 480-590 MPa |
Tensile Strength, Yield | 370-560 MPa |
Elongation at Break | 2.0-8.0% |
Modulus of Elasticity | 138 GPa |
Machinability | 40% |
Product Photo:
Weldability
Soldering, brazing, gas shielded arc welding, coated metal arc welding, spot welding, seam welding and butt welding are all recommended
Hot & Cold Workability
Good hot working properties. Excellent cold working properties.
Key Technology of Beryllium Copper(Heat treatment)
Age Hardening
Age hardening significantly enhances the material’s strength. This reaction is generally carried out at temperatures between 260°C and 540°C depending on alloy and desired characteristics. This cycle causes the dissolved beryllium to precipitate as a beryllium rich (gamma) phase in the matrix and at the grain boundaries. It is the formation of this precipitate which causes the large increase in material strength. The level of mechanical properties attained is determined by the temperature and time at temperature. It should be recognized that beryllium copper has no room temperature aging characteristics.
FAQ:
Q1:What’s the advantages the Beryllium Copper of CUBERYLLIUM®?
A1: 1: The Biggest Coil weight could be reach 1200kg/Coil
2:We are the only one who melting by Vacuum semi-Continuous Furnace.
3:Surface further polishing for top clients.
Q2: How about your payment terms?
A2: Generally, 30% as deposit by T/T, then 70% should be paid before the delivery.
Q3: Why you melting by Vacuum semi-Continuous Furnace?
A3:Could be get the Cast ingot without gas,smaller segregation, Grain Refinement
Q4: What's the payment terms?
A4: We accept T/T, L/C, Paypal etc. It can be negotiated when the amount is different.