Strenx® Tube 900MH
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General Product Description
Strenx® Tube 900MH is an HF-welded cold-formed structural hollow section made of hot-rolled high-strength steel with a minimum yield strength of 900 MPa.
Its high strength combined with naturally stiff form of welded hollow section enables construction of stronger and lighter structures. Strenx® Tube 900MH meets or exceeds the requirements of EN 10219-3 (2020). Typical applications include load-bearing structures in the lifting, handling and transportation segments.
Strenx® Tube 900MH 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 900MH hollow sections.
Dimension Range
Strenx® Tube 900MH is available at circular, square and rectangular shapes.
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| Shapes | Dimensions |
|---|---|
| Circular (mmin) | 139.7 - 219.15.500 - 8.626 |
| Square (mmin) | 100x100 - 200x2003.937x3.937 - 7.874x7.874 |
| Rectangular (mmin) | 120x80 - 250x1504.724x3.149 - 9.843x5.906 |
| Wall thickness (mmin) | 4.0 - 6.00.157 - 0.236 |
| Mill length (mmin) | 6000 - 12000 / 18000236.220 - 472.440 / 708.660 |
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Comparison
Shapes
Circular (mmin)
Dimensions
139.7 - 219.15.500 - 8.626
Shapes
Square (mmin)
Dimensions
100x100 - 200x2003.937x3.937 - 7.874x7.874
Shapes
Rectangular (mmin)
Dimensions
120x80 - 250x1504.724x3.149 - 9.843x5.906
Shapes
Wall thickness (mmin)
Dimensions
4.0 - 6.00.157 - 0.236
Shapes
Mill length (mmin)
Dimensions
6000 - 12000 / 18000236.220 - 472.440 / 708.660
Other shapes and sizes are available upon request.
Circular Dimensions
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| Outer diameter (mmin) | 4.0 mm (kg/m) | 5.0 mm (kg/m) | 6.0 mm (kg/m) |
|---|---|---|---|
| 139.75.500 | 13.4 | 16.6 | 19.8 |
| 168.36.626 | 16.2 | 20.1 | 24.0 |
| 219.18.626 | — | 26.4 | 31.5 |
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Comparison
Outer diameter (mmin)
139.75.500
4.0 mm (kg/m)
13.4
5.0 mm (kg/m)
16.6
6.0 mm (kg/m)
19.8
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Outer diameter (mmin)
168.36.626
4.0 mm (kg/m)
16.2
5.0 mm (kg/m)
20.1
6.0 mm (kg/m)
24.0
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Outer diameter (mmin)
219.18.626
4.0 mm (kg/m)
—
5.0 mm (kg/m)
26.4
6.0 mm (kg/m)
31.5
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Square Dimensions
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| Height x Width (mmin) | 4.0 mm (kg/m) | 5.0 mm (kg/m) | 6.0 mm (kg/m) |
|---|---|---|---|
| 100 x 1003.937 x 3.937 | 11.6 | — | — |
| 120 x 1204.724 x 4.724 | 14.1 | 17.4 | 20.5 |
| 140 x 1405.512 x 5.512 | 16.7 | 20.5 | 24.3 |
| 150 x 1500.2325 x 5.906 | — | 22.1 | 26.2 |
| 160 x 1606.299 x 6.299 | — | 23.7 | 28.0 |
| 180 x 1807.087 x 7.087 | — | 26.8 | 31.8 |
| 200 x 2007.874 x 7.874 | — | — | 35.6 |
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Comparison
Height x Width (mmin)
100 x 1003.937 x 3.937
4.0 mm (kg/m)
11.6
5.0 mm (kg/m)
—
6.0 mm (kg/m)
—
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Height x Width (mmin)
120 x 1204.724 x 4.724
4.0 mm (kg/m)
14.1
5.0 mm (kg/m)
17.4
6.0 mm (kg/m)
20.5
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Height x Width (mmin)
140 x 1405.512 x 5.512
4.0 mm (kg/m)
16.7
5.0 mm (kg/m)
20.5
6.0 mm (kg/m)
24.3
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Height x Width (mmin)
150 x 1500.2325 x 5.906
4.0 mm (kg/m)
—
5.0 mm (kg/m)
22.1
6.0 mm (kg/m)
26.2
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Height x Width (mmin)
160 x 1606.299 x 6.299
4.0 mm (kg/m)
—
5.0 mm (kg/m)
23.7
6.0 mm (kg/m)
28.0
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Height x Width (mmin)
180 x 1807.087 x 7.087
4.0 mm (kg/m)
—
5.0 mm (kg/m)
26.8
6.0 mm (kg/m)
31.8
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Height x Width (mmin)
200 x 2007.874 x 7.874
4.0 mm (kg/m)
—
5.0 mm (kg/m)
—
6.0 mm (kg/m)
35.6
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Rectangular Dimensions
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| Height x Width (mmin) | 4.0 mm (kg/m) | 5.0 mm (kg/m) | 6.0 mm (kg/m) |
|---|---|---|---|
| 120 x 804.724 x 3.149 | 11.6 | — | — |
| 150 x 1005.906 x 3.937 | 14.8 | 18.2 | 21.5 |
| 160 x 806.299 x 3.150 | 14.1 | 17.4 | 20.5 |
| 180 x 1007.087 x 3.937 | 16.7 | 20.5 | 24.3 |
| 200 x 1007.874 x 3.150 | — | 22.1 | 26.2 |
| 200 x 1207.874 x 4.724 | — | 23.7 | 28.0 |
| 250 x 1509.843 x 5.906 | — | — | 35.6 |
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Comparison
Height x Width (mmin)
120 x 804.724 x 3.149
4.0 mm (kg/m)
11.6
5.0 mm (kg/m)
—
6.0 mm (kg/m)
—
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Height x Width (mmin)
150 x 1005.906 x 3.937
4.0 mm (kg/m)
14.8
5.0 mm (kg/m)
18.2
6.0 mm (kg/m)
21.5
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Height x Width (mmin)
160 x 806.299 x 3.150
4.0 mm (kg/m)
14.1
5.0 mm (kg/m)
17.4
6.0 mm (kg/m)
20.5
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Height x Width (mmin)
180 x 1007.087 x 3.937
4.0 mm (kg/m)
16.7
5.0 mm (kg/m)
20.5
6.0 mm (kg/m)
24.3
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Height x Width (mmin)
200 x 1007.874 x 3.150
4.0 mm (kg/m)
—
5.0 mm (kg/m)
22.1
6.0 mm (kg/m)
26.2
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Height x Width (mmin)
200 x 1207.874 x 4.724
4.0 mm (kg/m)
—
5.0 mm (kg/m)
23.7
6.0 mm (kg/m)
28.0
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Height x Width (mmin)
250 x 1509.843 x 5.906
4.0 mm (kg/m)
—
5.0 mm (kg/m)
—
6.0 mm (kg/m)
35.6
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Mechanical Properties
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| Yield strength Rp0.2 (min MPaksi) |
Tensile strength Rm (MPaksi) |
Elongation A5 1) (min %) |
|
|---|---|---|---|
| Strenx® Tube 900MH | 900130 | 930 - 1200135 - 174 | 7 |
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Comparison
Strenx® Tube 900MH
Yield strength Rp0.2
(min MPaksi)
(min MPaksi)
900130
Tensile strength Rm
(MPaksi)
(MPaksi)
930 - 1200135 - 174
Elongation A5 1)
(min %)
(min %)
7
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1) The hollow sections with D/T < 15 (round) or (B + H)/2T < 12,5 (rectangular and square), the minimum value of elongation is reduced by 2.
The mechanical properties for rectangular hollow sections are tested by SSAB on the longer side of the cross section.
Mechanical properties meet the requirements of EN 10219-3 (2020).
Impact Properties
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| Product | Min impact energy for transversal testing, Charpy V 10x10 mm test specimen |
|---|---|
| Strenx® Tube 900MH | 40 J / -20 °C30 ft-lbs / -4 °F |
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Product
Strenx® Tube 900MH
Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen
Charpy V 10x10 mm test specimen
40 J / -20 °C30 ft-lbs / -4 °F
1) Impact testing according to EN ISO 148-1 is performed on thicknesses ≥ 6 mm. The specified minimum value corresponds to a full-size specimen.
Chemical Composition (ladle analysis)
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| C (max %) |
Si (max %) |
Mn (max %) |
P (max %) |
S (max %) |
Nb (max %) |
V (max %) |
Ti (max %) |
|---|---|---|---|---|---|---|---|
| 0.10 | 0.25 | 1.30 | 0.020 | 0.010 | 0.050 1) | 0.05 1) | 0.07 1) |
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C
(max %)
(max %)
0.10
Si
(max %)
(max %)
0.25
Mn
(max %)
(max %)
1.30
P
(max %)
(max %)
0.020
S
(max %)
(max %)
0.010
Nb
(max %)
(max %)
0.050 1)
V
(max %)
(max %)
0.05 1)
Ti
(max %)
(max %)
0.07 1)
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1) Sum of Nb, V and Ti = max 0.22%
Chemical composition meets or exceeds the requirements of EN 10219-3 (2020).
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.Carbon Equivalent CET(CEV)
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| Wall Thickness (mm) | 2.0 - 10.00.079 - 0.394 |
|---|---|
| Typ CET(CEV) | 0.25 (0.50) |
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Wall Thickness (mm)
Typ CET(CEV)
2.0 - 10.00.079 - 0.394
0.25 (0.50)
Tolerance Circular
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| Characteristic | Circular hollow sectionsTolerances 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 mmWhen 355.6 ≤ D ≤ 406.4 mm : ±10%, when T ≤ 5 mm / ±0.5 mm, when T > 5 mmWhen 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 |
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Comparison
Characteristic
Outside diameter (D) (1
Circular hollow sectionsTolerances 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 sectionsTolerances meet or exceed the requirements of EN 10219
2%, when D/T ≤ 100
Characteristic
Thickness (T)
Circular hollow sectionsTolerances 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 mmWhen 355.6 ≤ D ≤ 406.4 mm : ±10%, when T ≤ 5 mm / ±0.5 mm, when T > 5 mmWhen D > 406.4 mm : ±10%, with a maximum of ±2 mm
Characteristic
Straightness
Circular hollow sectionsTolerances 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 sectionsTolerances meet or exceed the requirements of EN 10219
Individual tube: ±6%
Characteristic
Mill length
Circular hollow sectionsTolerances 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 sectionsTolerances 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
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| 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 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 | 2.0 x T – 3.0 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 |
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Comparison
Characteristic
Outside dimensions (B, H) 1)
Square hollow sections
Tolerances meet or exceed the requirements of EN 10219
Tolerances meet or exceed the requirements of EN 10219
When B, H < 100 mm ±1% minimum ±0.5
When 100 mm ≤ B, H ≤ 200 mm: ±0.8%When B, H > 200 mm: ±0.6%
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
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
Tolerances meet or exceed the requirements of EN 10219
2.0 x T – 3.0 x T
Characteristic
Squareness of side
Square hollow sections
Tolerances meet or exceed the requirements of EN 10219
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
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
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
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
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
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
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 Rectangular
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| Characteristic | Rectangular 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 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 | 2.0 x T – 3.0 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 |
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Comparison
Characteristic
Outside dimensions (B, H) 1)
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
Tolerances meet or exceed the requirements of EN 10219
When B, H < 100 mm ±1% minimum ±0.5
When 100 mm ≤ B, H ≤ 200 mm: ±0.8%When B, H > 200 mm: ±0.6%
When 100 mm ≤ B, H ≤ 200 mm: ±0.8%When B, H > 200 mm: ±0.6%
Characteristic
Thickness (T)
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
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
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
Tolerances meet or exceed the requirements of EN 10219
2.0 x T – 3.0 x T
Characteristic
Squareness of side
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
Tolerances meet or exceed the requirements of EN 10219
90° ±1°
Characteristic
Concavity/convexity
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
Tolerances meet or exceed the requirements of EN 10219
0.8%, with a minimum of 0.5 mm
Characteristic
Twist
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
Tolerances meet or exceed the requirements of EN 10219
2 mm + 0.5 mm/m
Characteristic
Straightness
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
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
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
Tolerances meet or exceed the requirements of EN 10219
Individual tube: ±6%
Characteristic
Mill length
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
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
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
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.
Delivery Conditions
The tubes are cold formed and high frequency welded from thermomechanically rolled steel.