Recommended for the boring and the turning.
|
| Chemical compound % |
Agent |
Cu |
Al |
Co |
Cr |
Fe |
Mn |
P |
Pb |
Te |
Zn |
Other |
Mass-volume g/cm3 |
Mini: |
Reste
|
-
|
-
|
-
|
-
|
-
|
0,003
|
-
|
0,4
|
-
|
-
|
8,9
|
Maxi: |
-
|
0,02
|
-
|
-
|
-
|
-
|
0,012
|
-
|
0,7
|
-
|
0,1
|
|
|
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
or HV
approx |
| Diameter
mm |
Size on flat mm |
from |
until and included |
from |
until and included |
A100mm
% min. |
A11,3
% min. |
A
% min. |
| M |
2 |
50 |
2 |
40 |
|
|
|
|
|
|
| R250 |
2 |
50 |
2 |
40 |
250 |
(200) |
(3) |
5 |
7 |
(90) |
| R300 |
2 |
20 |
2 |
16 |
300 |
(250) |
(2) |
(3) |
5 |
(100) |
| R360 |
2 |
4 |
2 |
4 |
360 |
(320) |
- |
- |
- |
(110) |
|
Mechanical properties of cored bars for screw cutting (EN 12168): |
States
|
Nominal thickness of walls
|
Hardness
|
Tensile strength
|
Conventional elastic limit at 0,2%
|
Stretching
|
HB
|
HV
|
Rm
N/mm² approx.
|
Rp0,2
N/mm² approx.
|
A
% approx.
|
mm
|
min.
|
max.
|
min.
|
max.
|
M
|
All
|
Untreated
|
H080
|
All
|
80
|
130
|
90
|
140
|
(250)
|
(200)
|
(7)
|
|
