Strenx® Tube 960MH

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General Product Description

Strenx® Tube 960MH is an HF-welded cold-formed structural hollow section made of hot-rolled high-strength steel with a minimum yield strength of 960 MPa 

Its high strength combined with naturally stiff form of welded hollow section enables construction of stronger and lighter structures. Strenx® Tube 960MH meets or exceeds the requirements of prEN 10219 (2016). Typical applications include load-bearing structures in the lifting, handling and transportation segments. 

Strenx® Tube 960MH is available in circular, square and rectangular shapes. Other shapes and sizes are available upon request.

The maximum length of the tubes is 12-18 meters, depending on the size. Longer or cut-to-length tubes are available upon request.

It is not recommended to hot dip galvanize Strenx Tube 960MH hollow sections. 

Dimension Range

Strenx® Tube 960MH is available at circular, square and rectangular shapes.
Shapes
Shapes
Circular (mminches)
Dimensions
114.3 - 244.54.500 - 9.626
Shapes
Shapes
Wall thickness (mminches)
Dimensions
4.0 - 6.00.16 - 0.24

Other shapes and sizes are available upon request. 

Minimum batch size (m)
Minimum batch size (m)
1500
Metric weight (kg/m)
< 5 ≤ 20
Minimum batch size (m)
Minimum batch size (m)
3000
Metric weight (kg/m)
≤ 5
Minimum batch size (m)
Minimum batch size (m)
500
Metric weight (kg/m)
> 20

Recommended minimum batch sizes on mill orders for all shapes.

Circular Dimensions

Outer diameter (mminches)
Outer diameter (mminches)
114.34.500
4.0 mm (kg/m2)
10.9
5.0 mm (kg/m2)
—
6.0 mm (kg/m2)
—
Outer diameter (mminches)
Outer diameter (mminches)
139.75.500
4.0 mm (kg/m2)
13.4
5.0 mm (kg/m2)
16.6
6.0 mm (kg/m2)
19.8
Outer diameter (mminches)
Outer diameter (mminches)
168.36.626
4.0 mm (kg/m2)
16.2
5.0 mm (kg/m2)
20.1
6.0 mm (kg/m2)
24.0
Outer diameter (mminches)
Outer diameter (mminches)
193.77.626
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
23.3
6.0 mm (kg/m2)
27.8
Outer diameter (mminches)
Outer diameter (mminches)
219.18.626
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
26.4
6.0 mm (kg/m2)
31.5
Outer diameter (mminches)
Outer diameter (mminches)
244.59.626
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
—
6.0 mm (kg/m2)
35.3

Square Dimensions

4.0 mm (kg/m2)
4.0 mm (kg/m2)
11.6
5.0 mm (kg/m2)
—
6.0 mm (kg/m2)
—
4.0 mm (kg/m2)
4.0 mm (kg/m2)
14.1
5.0 mm (kg/m2)
17.4
6.0 mm (kg/m2)
20.5
4.0 mm (kg/m2)
4.0 mm (kg/m2)
16.7
5.0 mm (kg/m2)
20.5
6.0 mm (kg/m2)
24.3
4.0 mm (kg/m2)
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
22.1
6.0 mm (kg/m2)
26.2
4.0 mm (kg/m2)
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
23.7
6.0 mm (kg/m2)
28.0
4.0 mm (kg/m2)
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
26.8
6.0 mm (kg/m2)
31.8
4.0 mm (kg/m2)
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
—
6.0 mm (kg/m2)
35.6

Rectangular Dimensions

4.0 mm (kg/m2)
4.0 mm (kg/m2)
11.6
5.0 mm (kg/m2)
—
6.0 mm (kg/m2)
—
4.0 mm (kg/m2)
4.0 mm (kg/m2)
14.8
5.0 mm (kg/m2)
18.2
6.0 mm (kg/m2)
21.5
4.0 mm (kg/m2)
4.0 mm (kg/m2)
14.1
5.0 mm (kg/m2)
17.4
6.0 mm (kg/m2)
20.5
4.0 mm (kg/m2)
4.0 mm (kg/m2)
16.7
5.0 mm (kg/m2)
20.5
6.0 mm (kg/m2)
24.3
4.0 mm (kg/m2)
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
22.1
6.0 mm (kg/m2)
26.2
4.0 mm (kg/m2)
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
23.7
6.0 mm (kg/m2)
28.0
4.0 mm (kg/m2)
4.0 mm (kg/m2)
—
5.0 mm (kg/m2)
—
6.0 mm (kg/m2)
35.6

Mechanical Properties

Strenx® Tube 960MH

Yield strength Rp0.2
(min MPa)
960
Tensile strength Rm
(MPa)
980 - 1250
Elongation A5
(min %)
6

Impact Properties

Chemical Composition (heat analysis)

C
(max %)
C
(max %)
0.12
Si
(max %)
0.25
Mn
(max %)
1.20
P
(max %)
0.020
S
(max %)
0.010
Nb
(max %)
0.050
V
(max %)
0.050
Ti
(max %)
0.07

Chemical composition meets or exceeds the requirements of prEN 10219 (2016).

In addition, boron (B), molybdenum (Mo), nickel (Ni) or copper (Cu) may be used as alloying elements either singly or in combination.

The steel is grain refined.

1) Sum of Nb, V and Ti = max 0.22%

Carbon Equivalent CET(CEV)

Wall Thickness (mm)
Wall Thickness (mm)
Typ CET(CEV)
4.0 - 6.00.16 - 0.24
0.28 (0.51)
CET and CEV formula

Tolerance Circular

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

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 Rectangular

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.

Delivery Conditions

The tubes are cold formed and high frequency welded from thermomechanicallyrolled steel. 

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