EN 10219: Cold formed welded structural hollow sections of non-alloy and fine grain steels.
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Material
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Min Yield Strength
(N/mm2)
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Tensile Strength (N/mm2)
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Min. Elongation (%)
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Thickness in mm
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t<16
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16>t<40
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t<3
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3>t<40
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t<40
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S235JRH
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235
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225
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360-510
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340-470
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24
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S275J0H
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275
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265
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430-580
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410-560
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20
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S275J2H
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275
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265
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430-580
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410-560
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20
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S355J0H
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355
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345
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510-680
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490-630
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20
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S355J2H
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355
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345
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510-680
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490-630
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20
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Manufacturing Tolerances:
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Characteristic
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Round Hollow Sections
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Square and Rectangular Hollow Sections
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Outside Dimension
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± 1% with min ± 0.5mm and max ± 10mm
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± 1% with min of ± 0.5mm
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Thickness (T)
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T≤5mm: ±10%
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T≤5mm: ±10%
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T>5mm: ± 0.5mm
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T>5mm: ± 0.5mm
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Out-of-Roundness
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2%
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-
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Convexity
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-
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Max .8% with min 0.5mm
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Squareness of side
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-
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90° ± 1°
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External Corner Profile
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-
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T≤6mm: 1.6T to 2.4T
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-
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6<T≤10mm: 2.0T to 3.0T
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-
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T,10: 2.4T to 3.6T
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Twist
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-
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2mm plus 0.5mm/m
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Straightness
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0.2% of total
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0.15% of total
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Mass
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±6% on individual length
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