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C17200(ASTMB-194) beryllium copper strip coil used for bell relay contract spring
Product Normal Description:
Product Name: beryllium copper strip coil
Grade: C17200(ASTMB-194)
Standard: ASTM B194, SAE J463, J461
Product Specification: 0.28mmx100mm
State: XHMS
Product Brand: CUBERYLLIUM®
CUBERYLLIUM® is a professional supplier of various beryllium copper alloys:
BE-CU Alloy 25(C17200) beryllium copper strip, beryllium copper coils supplier;
BE-CU Alloy 25(C17200) beryllium copper rod, beryllium copper bars supplier;
BE-CU Alloy 25(C17200) beryllium copper sheet, beryllium copper plate, beryllium copper tube supplier;
BE-CU Alloy 25(C17200) beryllium copper wire supplier.
Chemical Composition of C17200(ASTMB-194) Beryllium Copper Alloy:
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.
Advantages of C17200(ASTMB-194) Beryllium Copper Alloy:
C17200(ASTMB-194) beryllium copper alloy is the most regularly used copper beryllium composite and is striking for its most astounding quality and hardness contrasted with business copper amalgams. We could provide all kinds of beryllium copper alloys as per customer requirement.
C17200(ASTMB-194) compound contains appr.2% of beryllium and accomplishes its definitive elasticity can surpass 200 ksi, while the hardness approaches Rockwell C45. In the interim, the electrical conductivity is at least 22% IACS in the completely matured condition. C17200 likewise displays extraordinary protection from stress unwinding at raised temperatures.
Typical Physical Properties of C17200(ASTMB-194) 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 C17200(ASTMB-194) Beryllium Copper Strip Coil:
| Cuberyllium Designation | ASTM | Mechanical and Electrical Properties of Copper Beryllium Strip | ||||||
| Designation | Description | Tensile Strength (Mpa) | Yield Strength 0.2% offset | Elongation Percent | HARDNESS (HV) | HARDNESS Rockwell B or C Scale | Electrical Conductivity (% IACS) | |
| A | TB00 | Solution Annealed | 410～530 | 190～380 | 35~60 | <130 | 45~78HRB | 15～19 |
| 1/2 H | TD02 | Half Hard | 580～690 | 510～660 | 12~30 | 180~220 | 88~96HRB | 15～19 |
| H | TD04 | Hard | 680~830 | 620~800 | 2~18 | 220~240 | 96~102HRB | 15～19 |
| HM | TM04 | Mill hardened | 930～1040 | 750～940 | 9～20 | 270～325 | 28～35HRC | 17～28 |
| SHM | TM05 | 1030～1110 | 860～970 | 9～18 | 295～350 | 31～37HRC | 17～28 | |
| XHM | TM06 | 1060～1210 | 930～1180 | 4～15 | 300～360 | 32～38HRC | 17～28 | |
Product Photos:
Applications of Beryllium Copper Alloy C17200n(CUBERYLLIUM ®-172):
CUBERYLLIUM ®-172 is usually used for electrical industry, fasteners and industrial.
Electrical Industry: electrical switch and relay blades(switch parts, relay parts), clips, fuse clips, connectors, spring connectors, navigational indstruments, contact bridges, belleville washers;
Fasteners: washers, lock washers, fasteners, retaining rings, roll pins, screws, bolts;
Industrial: pump parts, springs, electrochemical, spline shafts, non sparking safety tools, flexible metal hose, housings for indtruments, bearings, bushings, valve seats, valve stems, disphragms, springs, welding equipment, rolling mill parts, valves, bourdon tubes, wear plates on heavy equipment, bellows.