CuZn40Pb2Sn (CW619N)

 

Identical to the CW617N but with a higher authorized level of impurities. Does not suit to the working at very high speeds.
Chemical compound %
Agent
Cu
Al
As
Fe
Mn
Ni
Pb
Sn
Zn
Other
Mass-volume g/cm3
Mini:

 57,0

-

-

-

-

-

1,6

0,2

Reste

-

8,4
Maxi:

59,0

0,1

-

0,4

-

0,3

2,5

0,5

-

0,2

 

Mechanical properties of forged parts (EN 12420) :
State
Hardness HB min.
Tensile strength Rm N/mm² min.
Conventional elastic limit at 0,2Rp0,2 N/mm² min.
Stretching A % min.

H075

 75

(340)

(110)

(20)

H080

80

(360)

(120)

(20)

 

Mechanical properties of bars for screw cutting (EN 12164) :
State
Nominal size of the straight section
Tensile strength Rm N/mm˛ min.
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching
Hardness

HB ou HV

approx

Diameter mm

Size on flat mm
from
more than
until and included
from
more than
until and included
A100mm % min.
A11,3 % min.
A % min.

M

2

-

80

2

-

60

 

 

 

 

 

 

R400

6

-

14

5

-

10

400

(160)

-

12

15

(90)

R380

-

14

40

-

10

35

380

(160)

-

-

18

(90)

R360

-

40

80

-

35

60

360

(150)

-

-

20

(90)

R430

2

-

40

2

-

35

430

(250)

6

8

10

(120)

R500

2

-

14

2

-

10

500

(390)

(4)

6

8

(150)

R550

2

-

6

2

-

5

550

(420)

-

-

-

(150)

 

Mechanical properties of cored bars for screw cutting (EN 12168) :
State
Nominal thickness of the walls mm.
Hardness
Tensile strength
Conventional elastic limit at 0,2%
Stretching
HB
HV
Rm N/mm² approx.
Rp0,2 N/mm² approx.
A % approx.
until and included
more than
min.
max.
min.
max.
M
All
Untreated
H110
10
-
110
160
120
170
(430)
(250)
(10)
H090
-
10
90
140
100
150
(380)
(160)
(18)

 

Mechanical properties of bars for die forging (EN 12165) :
State
Nominal size of the straight section
Hardness
Tensile strength

Rm

N/mm˛ approx.
Conventional elastic limit at 0,2 %

Rp0,2

N/mm˛ approx.
Stretching

 A%

approx.

Diameter mm

Size on flat mm
from
until and included
from
until and included
HB min.
HV min.

M

All sizes

 

 

  

 

 

H080

6

80

6

60

80

85

(350)

(140)

(15)

 

Mechanical properties of sections and rectangular bars (EN 12167):
State
Sizes
Tensile strength Rm N/mm² min.
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching A %
Hardness
Section
Rectangular bars thickness mm
> at
< or =
HB min.
HV min

M

All

All

 

 

 

 

 

R480

-

-

6

480

(330)

(5)

-

-

H130

-

-

6

-

-

-

130

135

R430

-

6

60

430

(200)

(15)

-

-

H110

-

6

60

-

-

-

110

115