we have obtained ISO 9001, ISO 14001, ISO 45001, CE, AAA-level credit rating certification, etc.
we have obtained ISO 9001, ISO 14001, ISO 45001, CE, AAA-level credit rating certification, etc.
European Standard EN 10219 specifies the technical delivery conditions for cold-formed welded structural hollow sections of circular, square or rectangular forms and applies to structural hollow sections formed cold without subsequent heat treatment
EN 10219:S235,S355,S235JRH,S275J0H, S275J2H, S355J0H, S355J2H
The tolerances on dimensions are established in accordance with EN 10219-1&2
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Characteristics |
Tolerances |
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|
Outside dimensions of side |
(H,B |
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H : Longest side |
(100mm |
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(200mm |
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Wall thickness(T) |
(T |
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|
(5mm |
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Concavity / Convexity |
MAX 0.8% with a min of 0.5mm |
|||
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Squareness of sides |
90 |
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||
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External corner radius |
(T |
1.6T |
||
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|
(6mm |
2.0T |
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|
(10mm |
2.4T |
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Twist |
2mm + 0.5mm/m in length |
|||
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Straightness |
0.15% in total length |
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Mass |
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Length |
Approximate |
0, +50mm |
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|
|
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Exact |
L |
0, +5mm |
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|
|
|
6,000mm |
0, +15mm |
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|
|
|
10,000mm |
0, +5mm+1mm/m |
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NOTE
1)The outside dimensions are measured across the flats at positions at least 50mm from the end of the HSS.
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100mm)
1% with a min of 
0.5mm
H,B
200mm)
0.8%
H,B)
0.6%
5mm)
10%
T)
0.50mm
1
6mm)
R
2.4T
T
10mm)
R
3.0T
T)
R
3.6T
6% in individual lengths
6,000mm
L
10,000mm
L
