COR-TEN® B Tube

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General Product Description

COR-TEN® B Tube is structural hollow section with anti-corrosive properties, which minimize the need for maintenance and corrosion-prevention treatment.

It is available in circular, rectangular, square and special shapes. Customized shapes and other tailoring options are available upon request. It is typically used in advanced engineering and construction where corrosion resistance is important. It meets the standard requirements of EN 10025-5 and EN 10219 and is CE marked.

COR-TEN® B Tube is manufactured by cold forming and high frequency welding from clean, high quality environmentally friendly steel by modern and efficient tube lines.

Dimension Range

COR-TEN® B Tube is available at circular, square and rectangular shapes.

Shapes	Dimensions
Circular (mmin)	48.3 - 323.91.90 - 12.75
Square (mmin)	40x40 - 300x300
Rectangular (mmin)	50x30 - 400x200
Wall thickness (mmin)	2.0 - 12.50.079 - 0.492
Mill length (mm)	6000/12 000

Shapes

Circular (mmin)

Dimensions

48.3 - 323.91.90 - 12.75

Shapes

Square (mmin)

Dimensions

40x40 - 300x300

Shapes

Rectangular (mmin)

Dimensions

50x30 - 400x200

Shapes

Wall thickness (mmin)

Dimensions

2.0 - 12.50.079 - 0.492

Shapes

Mill length (mm)

Dimensions

6000/12 000

Other shapes, sizes and lengths are available upon request.

Circular Dimensions

Outer diameter (mmin)	2.0 mm (kg/m)	2.5 mm (kg/m)	3.0 mm (kg/m)	4.0 mm (kg/m)	5.0 mm (kg/m)	6.0 mm (kg/m)	8.0 mm (kg/m)	10.0 mm (kg/m)	12.5 mm (kg/m)
48.31.90	2.28	2.82	3.35	4.37	—	—	—	—	—
60.32.37	2.88	3.56	4.24	5.55	6.82	—	—	—	—
76.13.00	3.65	4.54	5.41	7.11	8.77	—	—	—	—
88.93.50	—	—	6.36	8.38	10.4	12.3	—	—	—
101.64.000	—	—	7.29	9.63	11.9	14.2	—	—	—
108.04.252	—	—	7.77	10.3	12.7	15.1	—	—	—
1144.49	—	—	8.23	10.9	13.5	16.0	—	—	—
127.05.000	—	—	9.17	12.1	15.0	17.9	—	—	—
139.75.500	—	—	—	13.4	16.6	19.8	26.0	32.0	—
168.36.626	—	—	—	16.2	20.1	24.0	31.6	39.0	—
219.18.626	—	—	—	21.2	26.4	31.5	41.7	51.6	63.7
273.010.75	—	—	—	26.5	33.1	39.5	52.3	64.9	80.3
323.912.75	—	—	—	—	39.3	47.0	62.3	77.4	96.0

Outer diameter (mmin)

48.31.90

2.0 mm (kg/m)

2.28

2.5 mm (kg/m)

2.82

3.0 mm (kg/m)

3.35

4.0 mm (kg/m)

4.37

5.0 mm (kg/m)

—

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Outer diameter (mmin)

60.32.37

2.0 mm (kg/m)

2.88

2.5 mm (kg/m)

3.56

3.0 mm (kg/m)

4.24

4.0 mm (kg/m)

5.55

5.0 mm (kg/m)

6.82

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Outer diameter (mmin)

76.13.00

2.0 mm (kg/m)

3.65

2.5 mm (kg/m)

4.54

3.0 mm (kg/m)

5.41

4.0 mm (kg/m)

7.11

5.0 mm (kg/m)

8.77

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Outer diameter (mmin)

88.93.50

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

6.36

4.0 mm (kg/m)

8.38

5.0 mm (kg/m)

10.4

6.0 mm (kg/m)

12.3

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Outer diameter (mmin)

101.64.000

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

7.29

4.0 mm (kg/m)

9.63

5.0 mm (kg/m)

11.9

6.0 mm (kg/m)

14.2

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Outer diameter (mmin)

108.04.252

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

7.77

4.0 mm (kg/m)

10.3

5.0 mm (kg/m)

12.7

6.0 mm (kg/m)

15.1

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Outer diameter (mmin)

1144.49

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

8.23

4.0 mm (kg/m)

10.9

5.0 mm (kg/m)

13.5

6.0 mm (kg/m)

16.0

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Outer diameter (mmin)

127.05.000

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

9.17

4.0 mm (kg/m)

12.1

5.0 mm (kg/m)

15.0

6.0 mm (kg/m)

17.9

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Outer diameter (mmin)

139.75.500

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

13.4

5.0 mm (kg/m)

16.6

6.0 mm (kg/m)

19.8

8.0 mm (kg/m)

26.0

10.0 mm (kg/m)

32.0

12.5 mm (kg/m)

—

Outer diameter (mmin)

168.36.626

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

16.2

5.0 mm (kg/m)

20.1

6.0 mm (kg/m)

24.0

8.0 mm (kg/m)

31.6

10.0 mm (kg/m)

39.0

12.5 mm (kg/m)

—

Outer diameter (mmin)

219.18.626

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

21.2

5.0 mm (kg/m)

26.4

6.0 mm (kg/m)

31.5

8.0 mm (kg/m)

41.7

10.0 mm (kg/m)

51.6

12.5 mm (kg/m)

63.7

Outer diameter (mmin)

273.010.75

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

26.5

5.0 mm (kg/m)

33.1

6.0 mm (kg/m)

39.5

8.0 mm (kg/m)

52.3

10.0 mm (kg/m)

64.9

12.5 mm (kg/m)

80.3

Outer diameter (mmin)

323.912.75

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

39.3

6.0 mm (kg/m)

47.0

8.0 mm (kg/m)

62.3

10.0 mm (kg/m)

77.4

12.5 mm (kg/m)

96.0

Square Dimensions

Height x Width (mm)	2.0 mm (kg/m)	2.5 mm (kg/m)	3.0 mm (kg/m)	4.0 mm (kg/m)	5.0 mm (kg/m)	6.0 mm (kg/m)	8.0 mm (kg/m)	10.0 mm (kg/m)	12.5 mm (kg/m)
40 x 40	2.31	2.82	3.30	4.20	—	—	—	—	—
50 x 50	2.93	3.60	4.25	5.45	6.56	—	—	—	—
60 x 60	3.56	4.39	5.19	6.71	8.13	—	—	—	—
70 x 70	—	—	6.13	7.97	9.70	—	—	—	—
80 x 80	—	—	7.07	9.22	11.3	13.2	—	—	—
90 x 90	—	—	8.01	10.5	12.8	15.1	—	—	—
100 x 100	—	—	8.96	11.7	14.4	17.0	21.4	—	—
120 x 120	—	—	—	14.3	17.6	20.8	26.4	31.8	—
140 x 140	—	—	—	16.8	20.7	24.5	31.4	38.1	—
150 x 150	—	—	—	18.0	22.3	26.4	34.0	41.3	48.7
160 x 160	—	—	—	19.3	23.8	28.3	36.5	44.4	52.6
180 x 180	—	—	—	—	27.0	32.1	41.5	50.7	60.5
200 x 200	—	—	—	—	30.1	35.8	46.5	57.0	68.3
220 x 220	—	—	—	—	—	39.6	51.5	63.2	76.2
250 x 250	—	—	—	—	—	45.2	59.1	72.7	88.0
300 x 300	—	—	—	—	—	54.7	71.6	88.4	108

Height x Width (mm)

40 x 40

2.0 mm (kg/m)

2.31

2.5 mm (kg/m)

2.82

3.0 mm (kg/m)

3.30

4.0 mm (kg/m)

4.20

5.0 mm (kg/m)

—

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

50 x 50

2.0 mm (kg/m)

2.93

2.5 mm (kg/m)

3.60

3.0 mm (kg/m)

4.25

4.0 mm (kg/m)

5.45

5.0 mm (kg/m)

6.56

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

60 x 60

2.0 mm (kg/m)

3.56

2.5 mm (kg/m)

4.39

3.0 mm (kg/m)

5.19

4.0 mm (kg/m)

6.71

5.0 mm (kg/m)

8.13

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

70 x 70

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

6.13

4.0 mm (kg/m)

7.97

5.0 mm (kg/m)

9.70

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

80 x 80

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

7.07

4.0 mm (kg/m)

9.22

5.0 mm (kg/m)

11.3

6.0 mm (kg/m)

13.2

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

90 x 90

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

8.01

4.0 mm (kg/m)

10.5

5.0 mm (kg/m)

12.8

6.0 mm (kg/m)

15.1

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

100 x 100

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

8.96

4.0 mm (kg/m)

11.7

5.0 mm (kg/m)

14.4

6.0 mm (kg/m)

17.0

8.0 mm (kg/m)

21.4

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

120 x 120

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

14.3

5.0 mm (kg/m)

17.6

6.0 mm (kg/m)

20.8

8.0 mm (kg/m)

26.4

10.0 mm (kg/m)

31.8

12.5 mm (kg/m)

—

Height x Width (mm)

140 x 140

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

16.8

5.0 mm (kg/m)

20.7

6.0 mm (kg/m)

24.5

8.0 mm (kg/m)

31.4

10.0 mm (kg/m)

38.1

12.5 mm (kg/m)

—

Height x Width (mm)

150 x 150

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

18.0

5.0 mm (kg/m)

22.3

6.0 mm (kg/m)

26.4

8.0 mm (kg/m)

34.0

10.0 mm (kg/m)

41.3

12.5 mm (kg/m)

48.7

Height x Width (mm)

160 x 160

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

19.3

5.0 mm (kg/m)

23.8

6.0 mm (kg/m)

28.3

8.0 mm (kg/m)

36.5

10.0 mm (kg/m)

44.4

12.5 mm (kg/m)

52.6

Height x Width (mm)

180 x 180

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

27.0

6.0 mm (kg/m)

32.1

8.0 mm (kg/m)

41.5

10.0 mm (kg/m)

50.7

12.5 mm (kg/m)

60.5

Height x Width (mm)

200 x 200

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

30.1

6.0 mm (kg/m)

35.8

8.0 mm (kg/m)

46.5

10.0 mm (kg/m)

57.0

12.5 mm (kg/m)

68.3

Height x Width (mm)

220 x 220

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

—

6.0 mm (kg/m)

39.6

8.0 mm (kg/m)

51.5

10.0 mm (kg/m)

63.2

12.5 mm (kg/m)

76.2

Height x Width (mm)

250 x 250

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

—

6.0 mm (kg/m)

45.2

8.0 mm (kg/m)

59.1

10.0 mm (kg/m)

72.7

12.5 mm (kg/m)

88.0

Height x Width (mm)

300 x 300

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

—

6.0 mm (kg/m)

54.7

8.0 mm (kg/m)

71.6

10.0 mm (kg/m)

88.4

12.5 mm (kg/m)

108

Rectangular Dimensions

Height x Width (mm)	2.0 mm (kg/m)	2.5 mm (kg/m)	3.0 mm (kg/m)	4.0 mm (kg/m)	5.0 mm (kg/m)	6.0 mm (kg/m)	8.0 mm (kg/m)	10.0 mm (kg/m)	12.5 mm (kg/m)
50 x 30	2.31	2.82	3.30	4.20	—	—	—	—	—
60 x 40	2.93	3.60	4.25	5.45	6.56	—	—	—	—
80 x 40	3.56	4.39	5.19	6.71	8.13	—	—	—	—
80 x 60	—	—	6.13	7.97	9.70	—	—	—	—
100 x 40	—	—	6.13	7.97	9.70	—	—	—	—
100 x 50	—	—	6.60	8.59	10.5	12.3	—	—	—
100 x 60	—	—	7.07	9.22	11.3	13.2	—	—	—
100 x 80	—	—	8.01	10.5	12.8	15.1	—	—	—
120 x 60	—	—	8.01	10.5	12.8	15.1	—	—	—
120 x 80	—	—	8.96	11.7	14.4	17.0	21.4	25.6	—
140 x 60	—	—	—	11.7	14.4	17.0	—	—	—
140 x 80	—	—	—	13.0	16.0	18.9	—	—	—
150 x 50	—	—	—	11.7	14.4	17.0	—	—	—
150 x 100	—	—	—	14.9	18.3	21.7	27.7	33.4	—
160 x 80	—	—	—	14.3	17.6	20.8	26.4	31.8	—
180 x 100	—	—	—	16.8	20.7	24.5	31.4	38.1	—
200 x 100	—	—	—	18.0	22.3	26.4	34.0	41.3	48.7
200 x 120	—	—	—	—	23.8	28.3	36.5	44.4	52.6
250 x 100	—	—	—	—	26.2	31.1	40.2	49.1	—
250 x 150	—	—	—	—	30.1	35.8	46.5	57.0	68.3
260 x 180	—	—	—	—	—	39.6	51.5	63.2	—
300 x 100	—	—	—	—	30.1	35.8	46.5	57.0	68.3
300 x 150	—	—	—	—	—	40.5	52.8	64.8	78.1
300 x 200	—	—	—	—	—	45.2	59.1	72.7	88.0
400 x 200	—	—	—	—	—	54.7	71.6	88.4	108

Height x Width (mm)

50 x 30

2.0 mm (kg/m)

2.31

2.5 mm (kg/m)

2.82

3.0 mm (kg/m)

3.30

4.0 mm (kg/m)

4.20

5.0 mm (kg/m)

—

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

60 x 40

2.0 mm (kg/m)

2.93

2.5 mm (kg/m)

3.60

3.0 mm (kg/m)

4.25

4.0 mm (kg/m)

5.45

5.0 mm (kg/m)

6.56

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

80 x 40

2.0 mm (kg/m)

3.56

2.5 mm (kg/m)

4.39

3.0 mm (kg/m)

5.19

4.0 mm (kg/m)

6.71

5.0 mm (kg/m)

8.13

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

80 x 60

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

6.13

4.0 mm (kg/m)

7.97

5.0 mm (kg/m)

9.70

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

100 x 40

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

6.13

4.0 mm (kg/m)

7.97

5.0 mm (kg/m)

9.70

6.0 mm (kg/m)

—

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

100 x 50

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

6.60

4.0 mm (kg/m)

8.59

5.0 mm (kg/m)

10.5

6.0 mm (kg/m)

12.3

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

100 x 60

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

7.07

4.0 mm (kg/m)

9.22

5.0 mm (kg/m)

11.3

6.0 mm (kg/m)

13.2

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

100 x 80

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

8.01

4.0 mm (kg/m)

10.5

5.0 mm (kg/m)

12.8

6.0 mm (kg/m)

15.1

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

120 x 60

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

8.01

4.0 mm (kg/m)

10.5

5.0 mm (kg/m)

12.8

6.0 mm (kg/m)

15.1

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

120 x 80

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

8.96

4.0 mm (kg/m)

11.7

5.0 mm (kg/m)

14.4

6.0 mm (kg/m)

17.0

8.0 mm (kg/m)

21.4

10.0 mm (kg/m)

25.6

12.5 mm (kg/m)

—

Height x Width (mm)

140 x 60

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

11.7

5.0 mm (kg/m)

14.4

6.0 mm (kg/m)

17.0

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

140 x 80

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

13.0

5.0 mm (kg/m)

16.0

6.0 mm (kg/m)

18.9

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

150 x 50

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

11.7

5.0 mm (kg/m)

14.4

6.0 mm (kg/m)

17.0

8.0 mm (kg/m)

—

10.0 mm (kg/m)

—

12.5 mm (kg/m)

—

Height x Width (mm)

150 x 100

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

14.9

5.0 mm (kg/m)

18.3

6.0 mm (kg/m)

21.7

8.0 mm (kg/m)

27.7

10.0 mm (kg/m)

33.4

12.5 mm (kg/m)

—

Height x Width (mm)

160 x 80

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

14.3

5.0 mm (kg/m)

17.6

6.0 mm (kg/m)

20.8

8.0 mm (kg/m)

26.4

10.0 mm (kg/m)

31.8

12.5 mm (kg/m)

—

Height x Width (mm)

180 x 100

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

16.8

5.0 mm (kg/m)

20.7

6.0 mm (kg/m)

24.5

8.0 mm (kg/m)

31.4

10.0 mm (kg/m)

38.1

12.5 mm (kg/m)

—

Height x Width (mm)

200 x 100

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

18.0

5.0 mm (kg/m)

22.3

6.0 mm (kg/m)

26.4

8.0 mm (kg/m)

34.0

10.0 mm (kg/m)

41.3

12.5 mm (kg/m)

48.7

Height x Width (mm)

200 x 120

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

23.8

6.0 mm (kg/m)

28.3

8.0 mm (kg/m)

36.5

10.0 mm (kg/m)

44.4

12.5 mm (kg/m)

52.6

Height x Width (mm)

250 x 100

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

26.2

6.0 mm (kg/m)

31.1

8.0 mm (kg/m)

40.2

10.0 mm (kg/m)

49.1

12.5 mm (kg/m)

—

Height x Width (mm)

250 x 150

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

30.1

6.0 mm (kg/m)

35.8

8.0 mm (kg/m)

46.5

10.0 mm (kg/m)

57.0

12.5 mm (kg/m)

68.3

Height x Width (mm)

260 x 180

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

—

6.0 mm (kg/m)

39.6

8.0 mm (kg/m)

51.5

10.0 mm (kg/m)

63.2

12.5 mm (kg/m)

—

Height x Width (mm)

300 x 100

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

30.1

6.0 mm (kg/m)

35.8

8.0 mm (kg/m)

46.5

10.0 mm (kg/m)

57.0

12.5 mm (kg/m)

68.3

Height x Width (mm)

300 x 150

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

—

6.0 mm (kg/m)

40.5

8.0 mm (kg/m)

52.8

10.0 mm (kg/m)

64.8

12.5 mm (kg/m)

78.1

Height x Width (mm)

300 x 200

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

—

6.0 mm (kg/m)

45.2

8.0 mm (kg/m)

59.1

10.0 mm (kg/m)

72.7

12.5 mm (kg/m)

88.0

Height x Width (mm)

400 x 200

2.0 mm (kg/m)

—

2.5 mm (kg/m)

—

3.0 mm (kg/m)

—

4.0 mm (kg/m)

—

5.0 mm (kg/m)

—

6.0 mm (kg/m)

54.7

8.0 mm (kg/m)

71.6

10.0 mm (kg/m)

88.4

12.5 mm (kg/m)

108

Mechanical Properties

Yield strength R_p0.2 (min MPa)	Tensile strength R_m (MPa)	Elongation A₅ (min %)	Charpy-V -20°C 10x10 mm test specimen¹⁾ (J)
355	510 - 630	20	27

Yield strength R_p0.2
(min MPa)

355

Tensile strength R_m
(MPa)

510 - 630

Elongation A₅
(min %)

Charpy-V -20°C 10x10 mm test specimen¹⁾
(J)

Mechanical properties meet the requirements of S355J2W, EN 10025-5.

The mechanical properties for rectangular hollow sections are tested by SSAB on the longer side of the cross section according to EN 10219.

¹⁾ Impact testing according to EN ISO 148-1 is performed on thicknesses ≥ 6mm. The specified minimum value corresponds to a full-size specimen.

Chemical Composition (ladle analysis)

C (max %)	Si (%)	Mn (%)	P (max %)	S (max %)	Al_tot (%)	Cr (%)	Cu (%)
0.16	0.30 - 0.50	0.80 - 1.25	0.030	0.030	0.020 - 0.10	0.40 - 0.65	0.25 - 0.40

C
(max %)

0.16

Si
(%)

0.30 - 0.50

Mn
(%)

0.80 - 1.25

P
(max %)

0.030

S
(max %)

0.030

Al_tot
(%)

0.020 - 0.10

Cr
(%)

0.40 - 0.65

Cu
(%)

0.25 - 0.40

Chemical composition meets the requirements of S355J2W, EN 10025-5.

The steel is aluminium-killed.

Carbon Equivalent

Wall Thickness (mm)	2.0 - 12.50.079 - 0.492
CEV (max %)	0.50

Wall Thickness (mm)

CEV (max %)

2.0 - 12.50.079 - 0.492

0.50

CEV value meet the requirements of S355J2W, EN 10025-5.

Tolerances

Tolerance Circular

Characteristic	Circular hollow sections Tolerances meet or exceed the requirements of EN 10219
Outside diameter (D) ¹⁾	±1%, with a minimum of ±0.5 mm and a maximum of ±10 mm
Out-of-roundness	2%, when D/T ≤ 100
Thickness (T)	When D ≤ 323.9 mm: -5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm. When 355.6 ≤ D ≤ 406.4 mm : ±10%, when T ≤ 5 mm / ±0.5 mm, when T > 5 mm. When D > 406.4 mm : ±10%, with a maximum of ±2 mm.
Straightness	0.20% of total length and 3 mm over any 1 m length
Mass per unit length	Individual tube: ±6%
Mill length	0/+50 mm, 6000 ≤ L ≤ 12000 - 18000 mm (standard lengths 6000 & 12000 mm)
Exact length	Agreed at the time of enquiry and order

Characteristic

Outside diameter (D) ¹⁾

Circular hollow sections
Tolerances meet or exceed the requirements of EN 10219

±1%, with a minimum of ±0.5 mm and a maximum of ±10 mm

Characteristic

Out-of-roundness

Circular hollow sections
Tolerances meet or exceed the requirements of EN 10219

2%, when D/T ≤ 100

Characteristic

Thickness (T)

Circular hollow sections
Tolerances meet or exceed the requirements of EN 10219

When D ≤ 323.9 mm: -5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm.
When 355.6 ≤ D ≤ 406.4 mm : ±10%, when T ≤ 5 mm / ±0.5 mm, when T > 5 mm.
When D > 406.4 mm : ±10%, with a maximum of ±2 mm.

Characteristic

Straightness

Circular hollow sections
Tolerances meet or exceed the requirements of EN 10219

0.20% of total length and 3 mm over any 1 m length

Characteristic

Mass per unit length

Circular hollow sections
Tolerances meet or exceed the requirements of EN 10219

Individual tube: ±6%

Characteristic

Mill length

Circular hollow sections
Tolerances meet or exceed the requirements of EN 10219

0/+50 mm, 6000 ≤ L ≤ 12000 - 18000 mm (standard lengths 6000 & 12000 mm)

Characteristic

Exact length

Circular hollow sections
Tolerances meet or exceed the requirements of EN 10219

Agreed at the time of enquiry and order

¹⁾ All external dimensions are measured with a minimum distance from the end of the section. The distance must be a minimum of 100 mm.

Tolerance Square

Characteristic	Square hollow sections Tolerances meet or exceed the requirements of EN 10219
Outside dimensions (B, H) ¹⁾	When B, H < 100 mm ±1 % minimum ±0.5 mm When 100 mm ≤ B, H ≤ 200 mm: ±0.8% When B, H > 200 mm: ±0.6%
Thickness (T)	-5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm.
External corner profile	When T ≤ 6 mm: 1.6 x T–2.4 x T When 6 mm < T ≤ 10 mm: 2.0 x T-3.0 x T When T > 10 mm: 2.4 x T–3.6 x T
Squareness of side	90° ±1°
Concavity/convexity	0.8%, with a minimum of 0.5 mm
Twist	2 mm + 0.5 mm/m
Straightness	0.15% of total length and 3 mm over any 1 m length
Mass per unit length	Individual tube: ±6%
Mill length	0/+50 mm, 6000 ≤ L ≤ 12000 - 18000 mm (standard lengths 6000 & 12000 mm)
Exact length	Agreed at the time of enquiry and order

Characteristic

Outside dimensions (B, H) ¹⁾

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

When B, H < 100 mm ±1 % minimum ±0.5 mm
When 100 mm ≤ B, H ≤ 200 mm: ±0.8%
When B, H > 200 mm: ±0.6%

Characteristic

Thickness (T)

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

-5%/+10%, with a minimum of ±0.2 mm and maximum ±0.5 mm.

Characteristic

External corner profile

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

When T ≤ 6 mm: 1.6 x T–2.4 x T
When 6 mm < T ≤ 10 mm: 2.0 x T-3.0 x T
When T > 10 mm: 2.4 x T–3.6 x T

Characteristic

Squareness of side

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

90° ±1°

Characteristic

Concavity/convexity

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

0.8%, with a minimum of 0.5 mm

Characteristic

Twist

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

2 mm + 0.5 mm/m

Characteristic

Straightness

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

0.15% of total length and 3 mm over any 1 m length

Characteristic

Mass per unit length

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

Individual tube: ±6%

Characteristic

Mill length

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

0/+50 mm, 6000 ≤ L ≤ 12000 - 18000 mm (standard lengths 6000 & 12000 mm)

Characteristic

Exact length

Square hollow sections
Tolerances meet or exceed the requirements of EN 10219

Agreed at the time of enquiry and order

¹⁾ All external dimensions are measured with a minimum distance from the end of the section. The distance must be a minimum of 100 mm.