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 472.440"- 708.660", 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 (in) | 5.500 - 8.626 |
| Square (in) | 3.937x3.937 - 7.874x7.874 |
| Rectangular (in) | 4.724x3.149 - 9.843x5.906 |
| Wall thickness (in) | 0.157 - 0.236 |
| Mill length (in) | 236.220 - 472.440 / 708.660 |
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Comparison
Shapes
Circular (in)
Dimensions
5.500 - 8.626
Shapes
Square (in)
Dimensions
3.937x3.937 - 7.874x7.874
Shapes
Rectangular (in)
Dimensions
4.724x3.149 - 9.843x5.906
Shapes
Wall thickness (in)
Dimensions
0.157 - 0.236
Shapes
Mill length (in)
Dimensions
236.220 - 472.440 / 708.660
Other shapes and sizes are available upon request.
Circular Dimensions
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| Outer diameter (in) | 0.157" (ft-lbs) | 0.197" (ft-lbs) | 0.236" (ft-lbs) |
|---|---|---|---|
| 5.500" | 9.003 | 11.154 | 13.304 |
| 6.626" | 10.885 | 13.505 | 16.126 |
| 8.626" | — | 17.738 | 21.165 |
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Comparison
Outer diameter (in)
5.500"
0.157" (ft-lbs)
9.003
0.197" (ft-lbs)
11.154
0.236" (ft-lbs)
13.304
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Outer diameter (in)
6.626"
0.157" (ft-lbs)
10.885
0.197" (ft-lbs)
13.505
0.236" (ft-lbs)
16.126
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Outer diameter (in)
8.626"
0.157" (ft-lbs)
—
0.197" (ft-lbs)
17.738
0.236" (ft-lbs)
21.165
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Square Dimensions
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| Height x Width (in) | 0.157" (ft-lbs) | 0.197" (ft-lbs) | 0.236" (ft-lbs) |
|---|---|---|---|
| 3.937 x 3.937 | 7.794 | — | — |
| 4.724 x 4.724 | 9.474 | 11.691 | 13.774 |
| 5.512 x 5.512 | 11.221 | 13.774 | 16.327 |
| 0.2325 x 5.906 | — | 14.849 | 17.604 |
| 6.299 x 6.299 | — | 15.924 | 18.813 |
| 7.087 x 7.087 | — | 18.007 | 21.366 |
| 7.874 x 7.874 | — | — | 23.920 |
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Comparison
Height x Width (in)
3.937 x 3.937
0.157" (ft-lbs)
7.794
0.197" (ft-lbs)
—
0.236" (ft-lbs)
—
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Height x Width (in)
4.724 x 4.724
0.157" (ft-lbs)
9.474
0.197" (ft-lbs)
11.691
0.236" (ft-lbs)
13.774
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Height x Width (in)
5.512 x 5.512
0.157" (ft-lbs)
11.221
0.197" (ft-lbs)
13.774
0.236" (ft-lbs)
16.327
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Height x Width (in)
0.2325 x 5.906
0.157" (ft-lbs)
—
0.197" (ft-lbs)
14.849
0.236" (ft-lbs)
17.604
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Height x Width (in)
6.299 x 6.299
0.157" (ft-lbs)
—
0.197" (ft-lbs)
15.924
0.236" (ft-lbs)
18.813
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Height x Width (in)
7.087 x 7.087
0.157" (ft-lbs)
—
0.197" (ft-lbs)
18.007
0.236" (ft-lbs)
21.366
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Height x Width (in)
7.874 x 7.874
0.157" (ft-lbs)
—
0.197" (ft-lbs)
—
0.236" (ft-lbs)
23.920
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Rectangular Dimensions
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| Height x Width (in) | 0.157" (ft-lbs) | 0.197" (ft-lbs) | 0.236" (ft-lbs) |
|---|---|---|---|
| 4.724 x 3.149 | 7.794 | — | — |
| 5.906 x 3.937 | 9.944 | 12.229 | 14.446 |
| 6.299 x 3.150 | 9.474 | 11.691 | 20.5 |
| 7.087 x 3.937 | 11.221 | 13.774 | 16.327 |
| 7.874 x 3.150 | — | 14.849 | 17.604 |
| 7.874 x 4.724 | — | 15.924 | 18.813 |
| 9.843 x 5.906 | — | — | 23.920 |
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Comparison
Height x Width (in)
4.724 x 3.149
0.157" (ft-lbs)
7.794
0.197" (ft-lbs)
—
0.236" (ft-lbs)
—
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Height x Width (in)
5.906 x 3.937
0.157" (ft-lbs)
9.944
0.197" (ft-lbs)
12.229
0.236" (ft-lbs)
14.446
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Height x Width (in)
6.299 x 3.150
0.157" (ft-lbs)
9.474
0.197" (ft-lbs)
11.691
0.236" (ft-lbs)
20.5
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Height x Width (in)
7.087 x 3.937
0.157" (ft-lbs)
11.221
0.197" (ft-lbs)
13.774
0.236" (ft-lbs)
16.327
Expand
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Height x Width (in)
7.874 x 3.150
0.157" (ft-lbs)
—
0.197" (ft-lbs)
14.849
0.236" (ft-lbs)
17.604
Expand
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Height x Width (in)
7.874 x 4.724
0.157" (ft-lbs)
—
0.197" (ft-lbs)
15.924
0.236" (ft-lbs)
18.813
Expand
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Height x Width (in)
9.843 x 5.906
0.157" (ft-lbs)
—
0.197" (ft-lbs)
—
0.236" (ft-lbs)
23.920
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Mechanical Properties
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| Yield strength Rp0.2 (min ksi) |
Tensile strength Rm (ksi) |
Elongation A5 1) (min %) |
|
|---|---|---|---|
| Strenx® Tube 900MH | 130 | 135 - 174 | 7 |
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Strenx® Tube 900MH
Yield strength Rp0.2
(min ksi)
(min ksi)
130
Tensile strength Rm
(ksi)
(ksi)
135 - 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, transverse test, Charpy V 0.393x0.393" test specimen |
|---|---|
| Strenx® Tube 900MH | 30 ft-lbs / -4 °F |
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Product
Strenx® Tube 900MH
Min impact energy, transverse test,
Charpy V 0.393x0.393" test specimen
Charpy V 0.393x0.393" test specimen
30 ft-lbs / -4 °F
1) Impact testing according to EN ISO 148-1 is performed on thicknesses ≥ 0.236". The specified minimum value corresponds to a full-size specimen.
Chemical Composition (heat 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 (in) | 0.079 - 0.394 |
|---|---|
| Typ CET(CEV) | 0.25 (0.50) |
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Wall Thickness (in)
Typ CET(CEV)
0.079 - 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” and a maximum of ± 0.3937” |
| Out-of-roundness | 2%, when D/T ≤ 3.937” |
| Thickness (T) | When D ≤ 12.752": -5%/+10%, with a minimum of ±0.008" and maximum ±0.020"When 14.000" ≤ D ≤ 16.000" : ±10%, when T ≤ 0.197" / ±0.020", when T > 0.197"When D > 16.000" : ±10%, with a maximum of ±0.079" |
| Straightness | 0.20% of total length and 0.118” over any 39.37” length |
| Mass per unit length | Individual tube: ±6% |
| Mill length | 0/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440") |
| 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” and a maximum of ± 0.3937”
Characteristic
Out-of-roundness
Circular hollow sectionsTolerances meet or exceed the requirements of EN 10219
2%, when D/T ≤ 3.937”
Characteristic
Thickness (T)
Circular hollow sectionsTolerances meet or exceed the requirements of EN 10219
When D ≤ 12.752": -5%/+10%, with a minimum of ±0.008" and maximum ±0.020"When 14.000" ≤ D ≤ 16.000" : ±10%, when T ≤ 0.197" / ±0.020", when T > 0.197"When D > 16.000" : ±10%, with a maximum of ±0.079"
Characteristic
Straightness
Circular hollow sectionsTolerances meet or exceed the requirements of EN 10219
0.20% of total length and 0.118” over any 39.37” 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/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440")
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 3.937".
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 < 3.937" ±1 % minimum ±0.5 mm When 3.937" ≤ B, H ≤ 7.874": ±0.8%When B, H > 7.874": ±0.6% |
| Thickness (T) | -5% / +10 %, with a minimum of ±0.008" and maximum ±0.020" |
| External corner profile | 2.0 x T – 3.0 x T |
| Squareness of side | 90° ±1° |
| Concavity/convexity | 0.8%, with a minimum of 0.020" |
| Twist | 0.079" + 0.020"/39,370" |
| Straightness | 0.15% of total length and 0.118" over any 39.370" length |
| Mass per unit length | Individual tube: ±6% |
| Mill length | 0/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440") |
| 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 < 3.937" ±1 % minimum ±0.5 mm
When 3.937" ≤ B, H ≤ 7.874": ±0.8%When B, H > 7.874": ±0.6%
When 3.937" ≤ B, H ≤ 7.874": ±0.8%When B, H > 7.874": ±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 ±0.008" and maximum ±0.020"
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 0.020"
Characteristic
Twist
Square hollow sections
Tolerances meet or exceed the requirements of EN 10219
Tolerances meet or exceed the requirements of EN 10219
0.079" + 0.020"/39,370"
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 0.118" over any 39.370" 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/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440")
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 3.937".
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 < 3.937" ±1 % minimum ±0.5 mm When 3.937" ≤ B, H ≤ 7.874": ±0.8%When B, H > 7.874": ±0.6% |
| Thickness (T) | -5% / +10 %, with a minimum of ±0.008" and maximum ±0.020" |
| External corner profile | 2.0 x T – 3.0 x T |
| Squareness of side | 90° ±1° |
| Concavity/convexity | 0.8%, with a minimum of 0.0197" |
| Twist | 0.079" + 0.020"/39.370" |
| Straightness | 0.15% of total length and 0.118" over any 39.370" length |
| Mass per unit length | Individual tube: ±6% |
| Mill length | 0/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440") |
| 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 < 3.937" ±1 % minimum ±0.5 mm
When 3.937" ≤ B, H ≤ 7.874": ±0.8%When B, H > 7.874": ±0.6%
When 3.937" ≤ B, H ≤ 7.874": ±0.8%When B, H > 7.874": ±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 ±0.008" and maximum ±0.020"
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 0.0197"
Characteristic
Twist
Rectangular hollow sections
Tolerances meet or exceed the requirements of EN 10219
Tolerances meet or exceed the requirements of EN 10219
0.079" + 0.020"/39.370"
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 0.118" over any 39.370" 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/+1.969", 236.220" ≤ L ≤ 472.440 - 708.660" (standard lengths 236.220 & 472.440")
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 3.397".
Delivery Conditions
The tubes are cold formed and high frequency welded from thermomechanically rolled steel.