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Technical values, often exceed those required in international standarts (DIN, ASTM, BS etc.) Tolerances tighter than standart ensure perfect processing of out rolled products.

 

High speed and precision are been meet on the most modern rolling mills reaching speeds of up to 500 meters per minute with +/- 0,0015 mm thickness tolerances.

 

With modern casting, hot rolling and cold rolling capabilities serves also to other mill plants under uniform quality and environmental tehchnologies.

 

For Kayalar development is on all-encompassing activity. It includes not only the work required to produce strips, sheets and coin blanks for every demand marketed by the industries it also includes long-term efforts to meet new challenges in copper businesses. This contribute to Kayalar maintaining it’s position as one of the leading manufacturing of copper and copper alloys semi-finished products.

WIDTH TOLERANCES:

 

Thickness (mm)

Width (mm)

0 – 100

100 – 200

200 – 350

350 – 660

0,02 – 0,10

-/+ 0,075

-/+ 0,085

-/+ 0,1

-/+ 0,01

0,10 – 0,20

-/+ 0,15

-/+ 0,40

-/+ 0,60

-/+ 1,00

0,20 – 0,30

-/+ 0,20

-/+ 0,40

-/+ 0,60

-/+ 1,00

0,30 – 0,50

-/+ 0,20

-/+ 0,40

-/+ 0,60

-/+ 1,00

0,50 – 0,80

-/+ 0,20

-/+ 0,40

-/+ 0,60

-/+ 1,00

0,80 – 1,0

-/+ 0,20

-/+ 0,40

-/+ 0,60

-/+ 1,00

1,0 – 2,0

-/+ 0,30

-/+ 0,50

-/+ 1,00

-/+ 1,20

2,0 – 3,0

-/+ 0,50

-/+ 0,70

-/+ 1,20

-/+ 1,50

3,0 – 4,0

-/+ 1,00

-/+ 1,20

-/+ 1,50

-/+ 2,00

4,0 – 6,0 max.

-/+ 2,00

-/+ 2,50

-/+ 3,00

-/+ 4,00


THICKNESS TOLERANCES:

 

Thickenss (mm)

Tolerance (mm)

0,02

-/+ 0,0015

0,05

-/+ 0,0020

0,20

-/+ 0,0025

0,30

-/+ 0,0030

0,40

-/+ 0,0040

0,60

-/+ 0,0050

0,80

-/+ 0,0060

1,0 – 2,0

-/+ 0,0080


PRODUCTION RANGE:

 

Strip

Sheet

Thickness

Width

Thickness

Width

Height

0,02-0,1

8-660

0,4 – 1,0

600-660

500-2000

0,10-0,30

8-660

1,0-6,0

600-660

500-2000

0,3-1,0

8-660

8,0-127

680

500-7500

1,0 ve 6,0

20-660

200

680

4500

6,0 ve 200

660


RELATION BETWEEN GRAIN AND MECHANICAL PROPERTIES:

 

Alloy

Grain Size (mm)

Tearness strength

Hardness (HV)

TPC, DLP, DHP

0,05 max.

45 – 46

CuZn10

0,015 – 0,035

290 max.

65 max.

0,025 – 0,050

290 max.

65 max.

CuZn30

CuZn37

0,015 max.

400 max.

85 max.

0,015 – 0,035

355 max.

80 max.

0,025 – 0,050

335 max.

75 max.

0,035 – 0,070

325 max.

70 max.

0,050 – 0,090

315 max.

65 max.