C17200 (Alloy 25) Beryllium Copper Alloy Wires As Per SAE J461
Product Description:
Name: Beryllium copper alloy wires
Grade: C17200 (Alloy 25)
Specification: Diameter 3mm(+0/-0.05)
Surface: Bright
State: A(TB00), 1/4H(TD01), 1/2H(TD02), 3/4H(TD03, H(TD04)
Features: High strength and elestivity
Application: For spring
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 ®-172 also named -C17200 (CDA 172) offers the strength properties of C17200.
Chemical Composition of C17200 (Alloy 25) Beryllium Copper Alloy:
| CUBERYLLIUM® Brand | UNS-Number | Beryllium | Cobalt
+ Nickel | +Cobalt
+ Nickel
+ Iron | Pb | Copper |
| Cuberyllium-C172 | C17200 | 1.80-2.00 | 0.20 min | 0.6 max | 0.02 Max | Balance |
Copper plus additions equal 99.5% Min.
Typical Physical Properties of 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 |
Mechanical and Electrical Properties of C17200 (Alloy 25) Beryllium Copper Alloy Wires:
| Alloy | Temper (*) | Heat Treatment | Tensile Strength Mpa | Elongation percent | Electrical Conductivity percent IACS |
CUBERYLLIUM
172 | A | / | 400～580 | 30-60 | 15-19 |
| (TB00) |
| 1/4 H | / | 570～795 | 3~25 | 15-19 |
| (TD01) |
| 1/2 H | / | 710～930 | 2~15 | 15-19 |
| (TD02) |
| 3/4 H | / | 840～1070 | 2~8 | 15-19 |
| (TD03) |
| H | / | 915～1140 | 1~6 | 15-19 |
| (TD04) |
CUBERYLLIUM
172 | AT | 3 hr 315℃ | 1050~1380 | 3 min | 22-28 |
| (TF00) |
| 1/4 HT | 2 hr 315℃ | 1150~1450 | 2 min | 22-28 |
| (TH01) |
| 1/2 HT | 1.5hr 315℃ | 1200~1480 | 2 min | 22-28 |
| (TH02) |
| 3/4 HT | 1.0 hr 315℃ | 1250~1585 | 2 min | 22-28 |
| (TH03) |
| HT | 1.0hr 315℃ | 1300~1585 | 1 min | 22-28 |
| (TH04) |
International Specification of C17200 (Alloy 25) Beryllium Copper Alloy:
| Product Type | Temper Type |
| Bar | ASTM B196 |
| Military Mil-C-21657 |
| Rod | ASTM B196 |
| Military Mil-C-21657 |
| Wire | ASTM B197, AMS4725, SAE J461,463, RWMA Class 4 |
| European Standards | CuBe2, Alloy 25, BrB2, DIN.2.1247, CW101C 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.
Typical Application of C17200 (Alloy 25) Beryllium Copper Alloy:
| Product Category | Product | Reason Category | Reason |
| Electrical | Spring Connectors, Current Carrying | Conductivity (Electrical) | Electrical Conductivity |
| Spring Connectors, Current Carrying | Conductivity (Thermal) | Thermal Conductivity |
| Spring Connectors, Current Carrying | Corrosion Resistance | Corrosion Resistance |
| Spring Connectors, Current Carrying | Creep Properties | Creep Resistant |
| Spring Connectors, Current Carrying | Mechanical Properties | Very High Strength |
| Spring Connectors, Current Carrying | Softening Resistance | Resistance to Thermal Softening |
| Spring Connectors, Current Carrying | Thermal Properties | Resistance to Stress Relaxation |
Fabrication
| JOINING TECHNIQUE | SUITABILITY |
| Brazing | Good |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Good |
| Coated Metal Arc Welding | Good |
| Gas Sheilded Arc Welding | Good |
| Machinability rating | 50 |
| Oxyacetylene Welding | Not Recommended |
| Seam Weld | Fair |
| Soldering | Good |
| Spot Weld | Good |
Product Photo:
Application of C17200 (Alloy 25) Beryllium Copper Alloy:
Our alloys combine a range of properties particularly suited to
meet the exacting requirements of many applications in the
automotive, electronic, aeronautical, Oil&Gas, watch,
electro-chemical industries, etc. Beryllium Copper is widely used
in those fields as contact springs in various applications like
connectors, switches, relays, etc
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.
