CuSn4 (CW450K)

 

The phosphorous bronzes have a good corrosion resistance and good elastic properties. Used for the plates of the condenser pipes, the components of engineering submitted to a friction as well as for the manufacturing of springs when they have the form of sheet, coil or wire.

 

Chemical compound %

Agent:
Cu
Fe
Mn
Ni
P
Pb
Sn
Zn
Other
Mass-volume g/cm3
Mini:

Reste

-

-

-

0,01

-

3,5

 -

-

8,9

Maxi:

-

0,1

-

0,2

0,4

0,02

4,5

0,2

0,2

 

Mechanical properties of plates, sheets and coils for general usings (EN1652) :

State
Thickness
Tensile strength Rm N/mm˛
Conventional elastic limit at 0,2 Rp0,2 N/mm² .
Stretching
Hardness HV
From
to
min.
max.
A50mm ep < or = 2,5
A ep > 2,5
min.
max.

R290

0,1

5

290

390

(max. 190)

40

 50

-

-

 H070

 0,1

 5

-

-

-

-

-

70

100

R390

0,1

5

390

490

(min. 210)

11

13

-

-

H115

0,1

5

-

-

-

-

-

115

155

R480

0,1

5

480

570

(min. 420)

4

5

-

-

H150

0,1

5

-

-

-

-

-

150

180

R540

0,1

2

540

630

(min. 490)

3

-

-

-

H170

0,1

2

-

-

-

-

-

170

200

R610

0,1

2

610

-

(min. 540)

-

-

-

-

H190

0,1

2

-

-

-

-

-

190

-

 

Mechanical properties of wires (EN 12166) :

State
Diameter
Tensile strength Rm N/mm˛
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching
Hardness HV
from
more than
until
min.
Max.
A100mm % min.
A11,3 % min.
A % min.
min.
max.

M

All sizes

-

-

-

-

-

-

-

-

R360

0,1

-

0,5

360

450

(160)

(30)

-

-

-

-

R350

-

0,5

1,5

350

440

(150)

40

-

-

-

-

R330

-

1,5

4,0

330

420

(150)

45

-

-

-

-

H080

1,5

-

4,0

-

-

-

-

-

-

80

130

R320

-

4,0

20,0

320

410

(140)

-

50

55

-

-

H075

-

4,0

20,0

-

-

-

-

-

-

75

125

R450

0,1

-

0,5

450

550

(300)

(7)

-

-

-

-

R440

-

0,5

1,5

440

540

(290)

(10)

-

-

-

-

R410

-

1,5

4,0

410

510

(280)

(15)

-

-

-

-

H130

1,5

-

4,0

-

-

-

-

-

-

130

160

R400

-

4,0

20,0

400

500

(270)

-

(20)

(25)

-

-

H125

-

4,0

20,0

-

-

-

-

-

-

125

160

R550

0,1

-

0,5

550

660

(420)

-

-

-

-

-

R540

-

0,5

1,5

540

640

(410)

-

-

-

-

-

R500

-

1,5

4,0

500

600

(390)

(6)

-

-

-

-

H155

1,5

-

4,0

-

-

-

-

-

-

155

185

R470

-

4,0

8,0

470

570

(360)

-

(8)

-

-

-

H150

-

4,0

8,0

-

-

-

-

-

-

150

180

R660

0,1

-

0,5

660

780

(580)

-

-

-

-

-

R630

-

0,5

1,5

630

740

(550)

-

-

-

-

-

R590

-

1,5

4,0

590

690

(510)

-

-

-

-

-

H180

1,5

-

4,0

-

-

-

-

-

-

180

210

R560

-

4,0

8,0

560

660

(490)

-

-

-

-

-

H175

-

4,0

8,0

-

-

-

-

-

-

175

205

R780

0,1

-

0,5

780

930

(770)

-

-

-

-

-

R730

-

0,5

1,5

730

900

(720)

-

-

-

-

-

R690

-

1,5

4,0

690

850-

(690)

-

-

-

-

-

H200

1,5

-

4,0

-

-

-

-

-

-

200

230

R930

0,1

-

0,5

930

-

(920)

-

-

-

-

-

R900

-

0,5

1,5

900

-

(880)

-

-

-

-

-

R850

-

1,5

4,0

850

-

(850)

-

-

-

-

-

H225

1,5

-

4,0

-

-

-

-

-

-

225

-