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Beryllium Copper Alloys

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DALI ELECTRONICS
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USD 20.0 - 50.0 USD

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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 Properties
Beryllium Copper Rod, Bar and Tube
  

Alloy

Temper
(*)

Heat
Treatment

Outside Diameter
or Distance
Between Parallel
Surfaces
inch

Tensile
Strength
ksi

Yield
Strength
0.2% offset
ksi

Elongation
%

Hardness
Rockwell
B or C
Scale

Electrical
Conductivity
% IACS


C17200

and

C17300

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 hr
600°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 hr
600°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 hr
600°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 hr
600°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 hr
900°F

all sizes

100-130

80-100

10-25

B92-100

45-60

HT
(TH04)

2 hr
900°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

Heat
Treatment

Tensile
Strength
kg/mm2

YieldStrength
0.2 % offset
kg/mm2

Elongation
%

Fatigue
Strength
kg/mm2, R= -1
(108 cycles)

Hardness

Electrical
Conductivity
% IACS

Diamond
Pyramid

Rockwell
B or C

Rockwell
Superficial

 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:

 

 

 

 

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