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Expanded sheets

The expanded sheets are created by slitting and stretching the steel without any loss of material, this creates inseparable connections in the meshes. Expanded sheets are distributed as a table or roll.

It can be used as a decorative element, guard, air-filter, sewage filter, protective grating, shelf, rack, basket, walking surface, room-divider, fence, and it can be used in other different structures and equipment.

1. Material quality

Standard material quality:

  • S 235JR steel plate to MSZ EN standard
  • Ai 99,5 semi-solid steel plate

Plates of any other quality can be used, if the material tolerates the resulting stretching without any cracking or tearing. This should be verified by a manufacturing test. For expanded plates of non standard material quality, the customer should provide the manufacturer with the necessary raw materials.

2. Surface

The surface of the expanded plates meets the standard requirements of the used materials and the manufacturing process.

3. Dimensions

The client should submit the size requirements based on the attached standard list.

Plates expanded from material of quality described in point 1.1 usually have the following manufacturing limits:

  • Cold-rolled: 0,5 - 2,0 mm
  • Hot-rolled: 2,2 - 4,0 mm
  • the starting plate size is uniformly 1000 x 2000 mm,
  • the shape of the mesh is shown on diagram 1., the mesh length (p) is parallel to the height of the starting table plate.

4. Dimensional tolerance and formal requirements

  • Mesh length (p) tolerance: ± 3%
  • Mesh width (ü) tolerance: ± 10%
  • Feeding (t) tolerance: ± 10%
  • Plate length (Í) tolerance: ± 10%
  • Plate thickness (v) and width tolerance according to the specifications of the standard for the raw material.
  • Straightness (k) maximum 30 mm / 1000 mm
  • Waviness: up to 2,5 mm plate thickness maximum 30 mm, above that 25 mm.

5. Delivery state

The expanded plates are not hear-treated after the cold moulding.

6. Bundling, packaging

The expanded plates should be transported flat bundled, or rolled up, secured against loosening with a binding-wire.

7. Marking

Every batch should be labeled, the label should contain:

  • the name of the client,
  • the plate sizes,
  • the mesh size,
  • quantity.

The finished sizes are for 1000 x 2000 mm starting size!

Number

Marking

Sheet thickness

Feeding

Mesh lenght

Mesh width

Nominal stretching

Lenght of finished product (mm)

1

L

0,5

1,5

10

4,2

1,4

2 600

2

KN

1

2

21

7,5

1,88

3 500

3

KN

1

3

21

7,5

1,25

2 400

3_1

KN

1,5

2

21

7,5

1,88

3 500

3_2

KN

1,5

3

21

7,5

1,25

2 400

4

N

1

2

35

10

2,5

5 000

5

N

1

3

35

10

1,67

3 200

6

N

1,5

2

35

10

2,5

5 000

7

N

1,5

3

35

10

1,67

3 200

8

N

2

3

35

10

1,67

3 200

9

NG

1

5

50

15

1,5

2 700

10

NG

1,5

3

50

15

2,5

4 500

11

NG

1,5

4

50

15

1,88

3 200

12

NG

2

3

50

15

2,5

4 500

13

NG

2

4

50

15

1,88

3 200

14

NG

2

5

50

15

1,5

2 700

15

NG

3

3

50

15

2,5

4 500

16

NG

3

4

50

15

1,88

3 200

17

NG

3

5

50

15

1,5

2 700

18

G

1

3

80

25

4,17

8 000

19

G

1

6

80

25

2,08

4 000

20

G

2

3

80

25

4,17

8 000

21

G

2

5

80

25

2,5

5 000

22

G

2

6

80

25

2,08

4 000

23

G

2

7

80

25

1,79

3 550

24

G

2

10

80

25

1,25

3 000

25

G

3

3

80

25

4,17

8 000

26

G

3

4

80

25

3,12

5 950

27

G

3

5

80

25

2,5

5 000

28

G

3

6

80

25

2,08

4 000

29

G

3

7

80

25

1,79

3 550

30

G

3

8

80

25

1,56

3 350

31

G

3

10

80

25

1,25

3 000

32

G

4

5

80

25

2,5

5 000

33

G

4

6

80

25

2,08

4 000

34

G

4

7

80

25

1,79

3 550

35

G

4

8

80

25

1,56

3 350

36

G

4

10

80

25

1,25

3 000

37

KG

2

3

125

40

6,67

12 400

38

KG

3

3

125

40

6,67

12 400

39

KG

4

5

125

40

2,5

7 400

40

TG

4

6

200

70

5,83

11 000

Manufacturing is carried out according to MSZ 0533.2306T/84. The finished product will be cut up if the raw material is thicker than Lv2. In extreme cases we can deviate from these finished sizes, but  this requires preliminary consultation! The quality of the raw materials: cold rolling: St 12-03 according to DIN 1623-82 up to Lv 2,0 plates, hot rolling: S 235 JRG2 according to EN 10025-93 for Lv2-Lv4 plates.

Contact our colleagues for quotation!

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