Strenx® Tube 960QLH

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General Product Description

Strenx® Tube 960QLH is plasma-welded, quenched and tempered hollow section with a minimum yield strength of 960 MPa.

Its high strength, combined with naturally stiff form of the welded hollow section, enables construction of stronger and lighter structures. Strenx® Tube 960QLH meets or exceeds the requirements of EN 10210-3:2020.

Typical applications are load-bearing lattice structures in the lifting, material handling and transportation sectors, especially in conditions where extremely good toughness is needed. 

Dimension Range

Shapes
Shapes
Circular (mmin)
Circular
76.1 - 133.03.000 - 5.236
Shapes
Shapes
Wall thickness (mmin)
Circular
3.0 - 6.00.118 - 0.236
Shapes
Shapes
Mill length (mmin)
Circular
6000 - 12000236.200 - 472.440

Strenx® Tube 960QLH is available at circular shape.

Circular Dimensions

Outer diameter (mmin)
Outer diameter (mmin)
76.13.000
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)
10.4
Outer diameter (mmin)
Outer diameter (mmin)
85.03.346
3.0 mm (kg/m)
6.07
4.0 mm (kg/m)
7.99
5.0 mm (kg/m)
8.77
6.0 mm (kg/m)
11.69
Outer diameter (mmin)
Outer diameter (mmin)
88.93.500
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
Outer diameter (mmin)
Outer diameter (mmin)
101.64.000
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
Outer diameter (mmin)
Outer diameter (mmin)
108.04.252
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
Outer diameter (mmin)
Outer diameter (mmin)
114.34.500
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
Outer diameter (mmin)
Outer diameter (mmin)
121.04.764
3.0 mm (kg/m)
8.73
4.0 mm (kg/m)
11.5
5.0 mm (kg/m)
14.3
6.0 mm (kg/m)
17.0
Outer diameter (mmin)
Outer diameter (mmin)
133.05.236
3.0 mm (kg/m)
9.62
4.0 mm (kg/m)
12.7
5.0 mm (kg/m)
15.8
6.0 mm (kg/m)
18.8

Mechanical Properties

Strenx® Tube 960QLH

Yield strength Rp0.2
(min MPaksi)
960140
Tensile strength Rm
(MPaksi)
980 - 1150142 - 167
Elongation A5
(min %)
10

Mechanical properties meet the requirements of prEN 10210 (2016).

Impact Properties

Diameter (mmin)
Diameter (mmin)
76.1 - 133.03.000 - 5.236
Min impact energy for transversal testing,
Charpy V 10x10 mm test specimen 1)
40 J / -40 °C30 ft-lbs / -40 °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)

C
(max %)
C
(max %)
0.20
Si
(max %)
0.60
Mn
(max %)
1.60
P
(max %)
0.020
S
(max %)
0.010
Cr
(max %)
0.80
Ni
(max %)
0.20
Mo
(max %)
0.70
B
(max %)
0.005

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)

Wall Thickness (mm)
Wall Thickness (mm)
Typ CET(CEV)
3.0 - 6.00.118 - 0.236
0.36 (0.54)

Tolerance Circular

Characteristic
Characteristic
Outside diameter (D) (1
Circular hollow sections
Tolerances meet or exceed the requirements of EN 10210
±1%, with a minimum of ±0.5 mm and a maximum of ±10 mm
Characteristic
Characteristic
Out-of-roundness
Circular hollow sections
Tolerances meet or exceed the requirements of EN 10210
2%, when D/T ≤ 100
Characteristic
Characteristic
Thickness (T)
Circular hollow sections
Tolerances meet or exceed the requirements of EN 10210
±10%
Characteristic
Characteristic
Straightness
Circular hollow sections
Tolerances meet or exceed the requirements of EN 10210
0.20% of total length and 3 mm over any 1 m length
Characteristic
Characteristic
Mass per unit length
Circular hollow sections
Tolerances meet or exceed the requirements of EN 10210
Individual tube: ±6%
Characteristic
Characteristic
Mill length
Circular hollow sections
Tolerances meet or exceed the requirements of EN 10210
≥ 6000 mm: 0/+50 mm
Characteristic
Characteristic
Exact length
Circular hollow sections
Tolerances meet or exceed the requirements of EN 10210
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 plasma welded quenched and tempered. 

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