CW612N

INTERNATIONAL REFERENCES

Egm

612

En

CuZn39Pb2

DIN CEN

CW612N

ASTM(CDA)

C37700

AFNOR

CuZn39Pb2

BS

CZ128

JIS

C380


MAIN CHARACTERISTICS 

Hot stamping and free machining alloy with a higher copper content to increase ductility and cold formability. It is included in the 4MS positive list (UBA LIST).


CHEMICAL COMPOSITION

Cu
[%]

59,0 - 60,0

Pb
[%]

1,6 - 2,2

Sn
[%]

≤ 0,3

Fe
[%]

≤ 0,3

Ni
[%]

≤ 0,1

Al
[%]

≤ 0,05

As
[%]

-

Σ other
[%]

≤ 0,2

Zn
[%]

Rest


COMPLIANCE
4MS UBA LIST
DM 174:2004
2011/65/CE ROHS
2000/53/CE ELV
EN 12164:2016
Turning
EN 12165:2016
Hot stamping

FABRICATION PROPERTIES
Turnings removal
Heat Molding
Cold formability
Resistance to stress corrosion cracking
Resistance to dezincification

PHYSICAL PROPERTIES
Density 8.44 g/cm3
Electrical Conducivity 13.8 MS/m
Electrical Conducivity 23 IACS %
Thermal Conducivity 120 W/mK

MECHANICAL PROPERTIES
Temper Diameter / Wrench size [mm] Tensile Strength
Rm [N/mm2]
Yeld Strength Rp0.2 [N/mm2] Elongation
A [%]
Hardness
HB
M 7 - 75 (390 - 550) (180 - 450) (5 - 35) (110 - 150)

Please note: The mechanical properties are indicative only.


TYPES AND FORMAT AVAILABILITY
Nominal Diameter (mm) Tolerances (mm)
> Type A
(standard tolerances)
Type B Type C
> 7 10 +0 / -0,06 +0 / -0,036 +0 / -0,025
10 18 +0 / -0,07 +0 / -0,043
18 30 +0 / -0,08 +0 / -0,052
30 50 +0 / -0,16 -
50 75 +0 / -0,16 -
Width across-flats (W mm) Tolerances (mm)
> Type B
> 7 10 +0 / -0,09
10 18 +0 / -0,11
18 30 +0 / -0,13
30 45 +0 / -0,16

SHAPES OF THE ENDS
Shaped ends of rod chamfered (mm)
Ø

>
P (point)

min.max.
S (chamfer)

min.max.
7 10 2 3,5 2 3,5
10 20 2 4,5 2 4,5
20 30 3,5 6,5 3,5 6,5
30 42 4 6,5 4 6,5
43 75 6 8 6 8
Shaped ends of rod pointed (mm)
Ch.

>
P (point)

min.max.
S (chamfer)

min.max.
7 10 2 3,5 0,4 1,5
10 20 2 4,5 0,5 2
20 32 3,5 6,5 0,6 2,5
32 45 5 8 1 4

Please note: The minimum and maximum measurements for the ends are indicative only. Specific requirements regarding the length of the ends must be avaluated and agreed in the time of order.


LENGHTS AND STRAIGHTENINGS
Lenght
> Lenght (mm) Tolerances (mm)
> 7 42 3050 + 50
42 75 3050 + 100
Maximum deviation from straightness
> Localized over any 400 mm Over whole lenght L
of rod in metres (L≥1m)
> 7 50 0,4 mm 1,0 X L
Lenght
> Lenght (mm) Tolerances (mm)
> 7 30 3050 + 50
30 45 3050 + 100
Maximum deviation from straightness
> Localized over any 400 mm Over whole lenght L
of rod in metres (L≥1m)
> 7 50 0,6 mm 1,5 X L

Please note: The straightening has to be measured according to paragraph 6.5.3 of Norms EN 12164:2016).


OTHER SERVICES

All the turning rods (from Ø7 to Ø75 and from Ch.7 to Ch.45) are supplied in nominal lengths of 3000 mm, with point (P) and chamfer (S). Upon request, the product can be supplied with ends other than those indicated and with nominal lengths up to 5000 mm. the product is supplied in bundles of about 1000 kg closed by 3 or 4 metal strapping and paper between rods and metal strappings. Packaging with other characteristics must be evaluated and agreed upon when ordering.