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The product range includes wire for the production of screws, bolts, rivets and cold forming items used in the automotive industry and for general purpose.
The long acquired experience permits selection of the best raw materials and production technology so that we can offer our customers, wire with superior performance and with a quality
guarantee.
DESCRIPTION
Cold forming wire is identified as follows:
example:
AV / C / KBS
AV - STEEL QUALITY (chemical analysis)
C - WIRE ROD TREATMENT
KBS - SUPPLYING CONDITION AND SURFACE FINISH
STEEL QUALITY
(example AV/…/…)
The available steel types are considered in the following table:
| CLASS |
FACTORY DESCRIPTION |
INDICATIVE ANALYSIS OF HEAT |
| C |
Mn |
Si |
P
max |
S
max |
Al
min |
B |
Cr |
| Steel not intended for thermic treatment |
U *
|
0,06 |
0,40 |
<0,10 |
0,03 |
0,03 |
|
|
|
|
ADD
|
0,05 |
0,35 |
<0,10 |
0,03 |
0,03 |
0,02 |
|
0,01 |
|
AR
|
0,10 |
0,40 |
<0,10 |
0,03 |
0,03 |
0,02 |
|
0,01 |
| Steel intended for thermic treatment |
AV
|
0,15 |
0,70 |
<0,10 |
0,03 |
0,03 |
0,02 |
0,003 |
|
|
AS
|
0,21 |
0,90 |
0,10 |
0,03 |
0,03 |
0,02 |
0,003 |
0,10 |
|
AT
|
0,26 |
0,90 |
0,10 |
0,03 |
0,03 |
0,02 |
0,003 |
0,20 |
|
Analys specification available on demand
* For easy forming
Possible supplying of wire with personalized analysis |
C O R R E L A T I O N D E S C R I P T I O N
S |
| factory |
EN
running |
|
replaced or retreats Norms |
|
alphanumeric |
numeric |
|
EU
Euronorm |
UNI |
DIN |
AFNOR |
| U |
C7D
10016-2:94 |
1.0313 |
|
2CD7
16:87 |
3CD6
5598:71 |
D8-2
17140-1:83 |
FM 6
A-35-051:82 |
| S235JR
10025:90 |
1.0037 |
|
Fe 360 B
25:72 |
Fe 360 B
7070:82 |
St37-2 DIN 17100:80 |
| ADD |
C4C
10263-3:2001 |
1.0303 |
|
CB.4.FFKD
119:74 |
CB 4 FF
UNI 7356:74 |
QSt 32-3
1654-4:89 |
FR 5
A-35-051:82 |
| AR |
C10C
10263-3:2001 |
1.0214 |
|
CB.10.FFKD
119:74 |
CB 10 FF
UNI 7356:74 |
QSt 36-3
1654-4:89 |
FR 10
A-35-051:82 |
| AV |
15B2
10263-3:2001 |
1.5501 |
|
CB.15.FFKD
119:74 |
C15+Boro
UNI 7356:74 |
CQ15+B
1654-4:89 |
FR 15+B
A-35-051:82 |
| AS |
23B2
10263-3:2001 |
1.5508 |
|
C 22.BKD
119:74 |
C 21 BKB
UNI 7356:74 |
19Mn B4
1654-4:89 |
FR 20+B
A- 35-051:82 |
| AT |
- |
- |
|
- |
- |
- |
- |
WIRE ROD TREATMENT
(example …/C/…)
The treatment to be executed on the wire rod can be arranged and executed according to specific requirements:
|
C
|
Chemical pickling
|
|
CB
|
Chemical pickling + phosphating
|
|
K
|
Annealing
|
|
KB
|
Annealing + chemical pickling + phosphating
|
|
KC
|
Annealing + chemical pickling
|
SUPPLYING CONDITION
(example …/…/KBS)
Intermediate treatments, structure, final drawing, surface finish:
|
S
|
Hard dry soap drawn
|
|
L
|
Hard bright drawn
|
|
BS
|
Phosphated hard drawn
|
|
KL
|
Drawn, annealed and bright skin passed
|
|
KBS
|
Drawn, annealed, phosphated and dry soap skinpassed
|
|
K
|
Drawn, annealed
|
|
KC
|
Drawn, annealed, pickled
|
|
KB
|
Drawn, annealed, pickled, phosphated
|
PACKING AND PRODUCTION RANGE
Rolls with dimensions and weight in proportion to diameters, for wires diam. 1.50
/ 10.00 mm
Orbit coils of abt. 600 kg, eventually with an internal cardboard tube, for wires diam. 2.00
/ 14.00 mm
Carriers of different dimensions and weight according to the used standards, for wires diam. 2.00
/ 14.00 mm
Spooled coils of abt. 1,000 kg as to the used standards, with lifting eyes, for wires diam. 2.00
/ 14.00 mm
EXAMPLES PRODUCED BY COLD FORMING WIRE
APPROXIMATE VALUES OF CONVERSION BETWEEN TENSILE
STRENGTH AND HARDNESS
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