Sarma2018-12-07T12:22:44+00:00

Sarma trefilata in bobine

 

Specificatii tehnice produs: sarma trefilata in bobine, trefilare umeda, diametrul de la 5 la 10 mm h9, h10, h11

Greutati

Diametru (mm)* Greutate Kg/m
5 0,154
6 0,222
7 0,302
8 0,395
9 0,499
10 0,617

*Pentru cantitati agreate se pot produce, la cerere si diametre intermediare (ex. 5.25mm)

Clase tolerante diametru (SR EN 10278)

Diametrul nominal Clase de toleranta
h9 h10 h11
mm
de la 5 la 6mm 0/0,030 0/-0,048 0/0,075
peste 6 la 10 mm 0/-0,036 0/-0,058 0/-0,090

Gama de oteluri produse

Compozitie chimica sarma trefilata pentru uz general (conform SR EN ISO 16120-2)

Marca Otel C

%

Si

%

Mn

%

P

%

max

S

%

max

Cr

%

max

Ni

%

max

Mo

%

max

Cu

%

max

Al

%

max

C4D ≤0.06 ≤0.30 0.30÷0.60 0.035 0.035 0.20 0.25 0.05 0.30 0.01
C9D ≤0.10 ≤0.30 0.30÷0.60 0.035 0.035 0.20 0.25 0.05 0.30 0.01
C10D* 0.08÷0.13 ≤0.30 0.30÷0.60 0.035 0.035 0.20 0.25 0.05 0.30 0.01
C15D* 0.12÷0.17 ≤0.30 0.30÷0.60 0.035 0.035 0.20 0.25 0.05 0.30 0.01

*numai cantitati agreate

Compozitie chimica sarma trefilata pentru aplicatii speciale (conform SR EN 10263-2)

Marca Otel C Mn Si max P max S max Al
C4C* 0.02 – 0.06 0.25 – 0.40 0.10 0.020 0.025 0.20 – 0.60
C8C* 0.06 – 0.10 0.25 – 0.45 0.10  0.020 0.025 0.20 – 0.60
C10C* 0.08 – 0.12 0.30 – 0.50 0.10  0.020 0.025 0.20 – 0.60
C15C* 0.13 – 0.17 0.35 – 0.60 0.10  0.020 0.025 0.20 – 0.60

*numai cantitati agreate

Caracteristici mecanice

Diametrul Rm (N/mm2) A%
C4D; C4C C9D; C10D; C8C; C10C C15D; C15C
5 ≥ 7 420 – 600 520 – 650 560 – 700 9
7 ≥ 9 390 – 580 470 – 620 530 – 680 10
9 ≥ 10 370 – 550 450 – 600 500 – 650 11

Cuvinte cautare: sarma trasa in bobina, sarma trefilata in bobina, sarma tare mata