BRASS STRIPS

 

Sizes

Thickness: 0,20-3,00 mm

Width: 20-300 mm upto 1 mm thickness strips of 5-20 mm width are produced if required

 

Size of coils:

Inner diameter:

upto 1 mm thickness: 100 mm; 150 mm; 200 mm; 300 mm; 400 mm and 500 mm

over 1 mm thickness: 400 mm; 500 mm

Weight of coil: 1,0-5,5 kg/mm width of strip (approx. 50-300 PIW)

(typical values 1,5-3,0 kg/mm approx. 120-240 PIW)

 

Mechanical properties according to DIN 17670 standard

 

Alloy

Temper

Tensile

strength

Rm

N/mm2

Elongation

A10

min. %

Hardness

HV

Grain-size mean

mm

description

label

CuZn5

Soft

half-hard

hard

F23/H45

F28/H75

F34/H110

230-280

280-340

min. 340

40

16

5

45-75

75-110

min 110

-

-

-

CuZn10

sol1

half-hard

hard

F24/H50

F29/H80

F35/H110

240-290

290-350

min 350

40

17

5

50-80

80-110

min.110

-

-

-

CuZn15

sol1

half-hard

hard

extra-hard

F26/ H55

F31/ H85

F37/H115

F46/H145

260-310

310-370

370-460

min. 460

40

22

8

-

55-85

85-115

115-145

min. 145

-

-

-

-

CuZn20

sol1

half-hard

hard

extra-hard

F27/H55

F32/H85

F39/H120

F49/H155

270-320

320-390

390-490

min 490

42

25

9

-

55-85

85-120

120-155

min. 155

-

-

-

-

CuZn28

sol1

F27/H55

270-350

45

55-90

-

CuZn30

half-hard

hard

extra-hard

F35/H90

F42/H125

F52/H160

350-420

420-520

min 520

30

12

5

90-125

125-160

min. 160

-

-

-

CuZn33

Soft

half-hard

hard

spring-hard

F28/H55

F36/H90

F43/H130

F53/H165

280-360

360-430

430-530

min. 530

45

28

10

-

55-90

90-130

130-165

mln 165

-

-

-

-

CuZn36

sol1

F30/H55

300-370

43

55-95

-

CuZn37

half-hard

hard

spring-hard

extra spr. h.

F37/H95

F44/H140

F54/H170

F61/H200

370-440

440-540

540-610

min 610

24

8

-

-

95-140

140-170

170-200

min. 200

-

-

-

-

CuZn30

 

K10

K20

K30

K50

cca. 400

cca. 360

cca. 340

cca. 330

40

45

48

50

max. 110

max. 90

max. 85

max. 75

max. 0.015

0.015-0.030

0.020-0.045

0.035-0070

CuZn36

 

K10

cca. 400

38

max. 110

max. 0.015

CuZn37

 

K20

K30

K50

cca. 360

cca. 340

cca. 330

43

45

48

max. 90

max. 85

max. 75

0015-0030

0.020-0.045

0035-0070

 

Thickness tolerances according to DIN 1791 standard

thickness

mm

normal tolerances

mm

precise tolerances
(for special request)

mm

0.20-0.30

+/-0.015

+/-0.01

0.31-0.50

+/-0.02

+/-0.015

0.51-0.80

+/-0.025

+/-0.02

0.81-1.40

+/-0.03

+/-0.025

1.41-2.00

+/-0.04

+/-0.03

2.01-2.80

+/-0.05

+/-0.04

2.81-3.00

+/-0.06

+/-0.04