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5-12mm Building standards ribbed bar
5-12mm Building standards ribbed bar

Cold ribbed bar 1.Size (diameter):5-12mm 2.Cold rolling bar 3.Three Ribs bar 4.Intensity level (MPa):550/650

1.Rolling kinds of type finished products ,can do according following

Outlet diameter(mm)

Intensity level (MPa)

Raw material diameter(mm)

Steel raw materials(mm)

The first rolling diameter(mm)

The second diameter(mm)

Total deformation(Area rate)%

11

550

13

Q235J

12.3

11

28.4

10

550

11.5

Q235J

11.3

10

24.4

9

550

10.5

Q235J

10.2

9

26.5

8

550

9.3

Q235J

9

8

26

7

550

8

Q235J

7.8

7

23.4

6

550

7

Q235J

6.8

6

26.5

6

650

7

Q235J

6.8

6

26.5

5

650

6.5

Q235J

5.5

5

40.8

5

650

6.5

Q235J

5.5

5

40.8

4

650

5.3

Q235J

4.5

4

43

2.According to the specific circumstances of raw materials, process parameters can be used as alternative:

Steel Wire rod diameter(mm)

Rolling Specifications(mm)

The first rolling sizing (mm)

The second rolling size(mm)

Host speed(m/min)

Compound pulley dimensions:Host/straightening machine(mm)

6.5

5

0.6~0.8

5±0.2

110

200/155

8

6

1~2

6±0.2

110

200/155

8

7

0.1~0.2

7±0.2

110

200/155

10

8

1~1.2

8±0.2

90

258/200

10

9

0.1~1.2

9±0.2

90

258/300

12

10

1~1.2

10±0.2

60

380/300

12

11

0.1~0.2

11±0.2

90

258/200

Ribbed bar (with 3-ribbs )

5-12mm Building standards ribbed bar

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