Hangzhou Cuberyllium Metal Technology Co.,Ltd.
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UNS.C17200 (Alloy 25) Beryllium Copper Sheet / Plate 1mmx200mm For Electrical Switch
Product Normal Description:
Product Name: Beryllium copper sheet / plate
Grade: C17200 (Alloy 25)
Standard: ASTM B194
Product Size: 1mmx200mm
State: A(TB00), H(TD04), AT(TF00), HT(TH04)
Typical Application: For electrical switch
Product Brand: CUBERYLLIUM®
Product Informance of CUBERYLLIUM® Company:
CUBERYLLIUM® manufactures 17200 Beryllium Copper. The principle characteristics of alloy 172 are an excellent response to precipitation-hardening treatments, excellent thermal conductivity, and resistance to stress relaxation. The high strength beryllium coppers C172 can be purchased in the solution annealed or cold worked tempers and can be easily formed or machined. A low-temperature heat treatment (600 degrees for 2-3 hours) produces maximum strength and hardness. C17200, also commonly known as Alloy 25, is available in round rod, bar, tube, wire, plate and strip.
Chemical Composition of UNS.C17200 (Alloy 25) Beryllium Copper Alloy:
Product Grade: CUBERYLLIUM ®-172(UNS. C17200)
Beryllium(Be): 1.80-2.00%
Cobalt(Co) + Nickel(Ni): 0.20% Min
Cobalt(Co) + Nickel(Ni) + Iron(Fe): 0.60% Max
Lead: 0.02% Max
Copper(Cu): Balance
Note: Copper plus additions equal 99.5% Minimum.
Typical Physical Properties of UNS.C17200 (Alloy 25) Beryllium Copper Alloy:
| Density (g/cm3): | 8.36 |
| Density before age hardening (g/cm3): | 8.25 |
| Elastic Modulus (kg/mm2 (103)): | 13.4 |
| Thermal Expansion Coefficient (20 °C to 200 °C m/m/°C): | 17 x 10-6 |
| Thermal Conductivity (cal/(cm-s-°C)): | 0.25 |
| Melting Range (°C): | 870-980 |
Temper Designations of UNS.C17200 (Alloy 25) Beryllium Copper Sheet:
| Mechanical and Electrical Properties of C17200 Sheet/Plate | |||||||
| CUBERYLLIUM | ASTM | Heat Treatment | Thickness (mm) | Tensile Strength (Mpa) | Elongation Percent | HARDNESS Rockwell B or C Scale | Electrical Conductivity (% IACS) |
| Designation | Designation | ||||||
| A | TB00 | All Size | 400~580 | 20~60 | B45-85 | 15～19 | |
| H | TD04 | ＜10 | 600~880 | 8~20 | B91-103 | 15～19 | |
| 10~25 | 600~850 | 8~20 | B90-102 | 15 ~ 19 | |||
| 25~50 | 580~820 | 8~20 | B88-102 | 15 ~19 | |||
| ＞50 | 580~820 | 8~20 | B88-102 | 15 ~19 | |||
| AT | TF00 | 3 hr 315℃ | All Size | 1120~1358 | 3~10 | C36-41 | 22 ~ 28 |
| HT | TH04 | 2 hr 315℃ | ＜10 | 1200~1450 | 1~5 | C38-45 | 22 ~ 28 |
| 10~25 | 1200~1500 | 1~5 | C38-44 | 22 ~ 28 | |||
| 25~50 | 1200~1450 | 2~5 | C37-43 | 22 ~ 28 | |||
| ＞50 | 1100~1350 | 2~5 | C36-42 | 22 ~ 28 | |||
Applications of UNS.C17200 (Alloy 25) Beryllium Copper Alloy:
Applications for beryllium copper C17200 include electrical components and connectors, offshore and marine, powertrains, robotic welding and oifield tooling. The non-magnetic nature of the alloy makes it ideal for use on down-hole wireline tools.
•Electrical/electronic connectors
•Current-carrying springs
•Precision screw machined parts
•Welding electrodes
•Bearings
•Plastic molds
•Corrosion resistant components
Product Photos:
The most important Technology of CUBERYLLIUM ®
A: Heat treatment
Heat treatment is the most important process for this alloy system. While all copper alloys are hardenable by cold working, beryllium copper is unique in being hardenable by a simple low temperature thermal treatment. It involves two basic steps. The first is called solution annealing and the second, precipitation or age hardening.
B: Solution Annealing
For the typical alloy CuBe1.9 (1.8- 2%) the alloy is heated between 720°C and 860°C. At this point the contained beryllium is essentially “dissolved” in the copper matrix (alpha phase). By rapidly quenching to room temperature this solid solution structure is retained. The material at this stage is very soft and ductile and can be readily cold worked by drawing, forming rolling, or cold heading. The solution annealing operation is part of the process at the mill and is not typically used by the customer. Temperature, time at temperature, quench rate, grain size, and hardness are all very critical parameters and are tightly controlled by ohmalloy.
C: 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.
Size Available
FAQ:
Q1:Could you produce Beryllium Copper strip by Mill Hardened process.
A1:Yes, we could produce AM(TM00), 1/2HM(TM01).HM(TM04) XHM(TM06) XHMS(TM08).,we are the only factory could do harden strip in China.
Q2: What’s the advantages the Beryllium Copper of CUBERYLLIUM®.
A2: 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.
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.