Trafilspec-ITS is equipped with the most modern equipments existing in commerce for non-destructive testing on both bars (drawn/ground) and drawn wires in coils.
Controls effected by Trafilspec-ITS are the following:
- Defectomat control on bars and coils: non-destructive control effected through eddy-current equipment that allows detecting superficial cracks with transversal orientation, such as scabs, cracks, holes.
- Circograph control on bars: non-destructive control effected with equipment working with rotating probes that allows to detect superficial defects with longitudinal orientation as us rolling laps, tension cracks and drawing defects.
- non-cranking control: non-destructive control effected with magnetic-inductive equipment that allows to check the material exchange (o mixing) and the heat treatment.
- magnetoscope testing: non-destructive control effected with magnetic equipment that allows to detect superficial defects with transversal and longitudinal orientation.
Controls are effected according to European Norm UNI EN 10277-1:2000 or according to customer's specifications.
UNI EN 10277-1:2000 (products in bars)
Class of defect According to EN 10277-1
Diameter or key [mm]
Max. defect admitted
Max. % of bars with defects over the limit (1)
Shape (2)
Round
Exagon
Square
Class of defect According to EN 10277-1
1Diameter or key [mm]
up to 15from 15 to 100
Max. defect admitted
0.3 mm2% Diameter or key
Max. % of bars with defects over the limit (1)
4%Shape (2)
Round
+Exagon
+Square
+Class of defect According to EN 10277-1
2Diameter or key [mm]
up to 15from 15 to 75
from 75 to 100
Max. defect admitted
0.3 mm2% Diameter or key
1.5 mm
Max. % of bars with defects over the limit (1)
1%Shape (2)
Round
+Exagon
+(<= d 50 mm)
Square
+(<= d 20 mm)
Class of defect According to EN 10277-1
3Diameter or key [mm]
up to 20from 20 to 75
from 75 to 100
Max. defect admitted
0.2 mm1% Diameter or key
0.75 mm
Max. % of bars with defects over the limit (1)
1%Shape (2)
Round
+Exagon
-Square
-Class of defect According to EN 10277-1
4Diameter or key [mm]
up to 100Max. defect admitted
Free of defectsMax. % of bars with defects over the limit (1)
0.2%Shape (2)
Round
+Exagon
-Square
-(1) The last column shows the quantity of defective product that cannot be detected.
As well for controlled material this value cannot be zero because there are no controlling instruments granting absolute reliability. Trafilspec-ITS is anyway always engaged in the improvement of its own controlling devices to give customers the best reliability.
(2) + means that the shape is available in the corresponding classes, - means that the shape is not available in the corresponding classes.
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