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BS EN 10219 Cold Formed Welded Structural Hollow Sections

Date:2017-08-18    keywords:BS EN 10219 Cold Formed Welded Structural Hollow Sections
BS EN 10219-2:2006 Cold formed welded structural hollow sections of non-alloy and fine grain steels. 

EN 10219-1 Cold formed welded structural hollow sections of non-alloy and fine grain steels - Part 1: Technical delivery conditions - This part of this European Standard 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. 


The tolerances on dimensions are established in accordance with EN 10219-1&2

Characteristics   Tolerances  
Outside dimensions of side   (H,B100mm) 1% with a min of 0.5mm
H : Longest side 
B : Shortest side
  (100mmH,B200mm) 0.8%
    (200mmH,B) 0.6%
Wall thickness(T)   (T5mm) 10%
    (5mmT) 0.50mm
Concavity / Convexity   MAX 0.8% with a min of 0.5mm
Squareness of sides   901  
External corner radius   (T6mm) 1.6TR2.4T
    (6mmT10mm) 2.0TR3.0T
    (10mmT) 2.4TR3.6T
Twist   2mm + 0.5mm/m in length
Straightness   0.15% in total length  
Mass   6% in individual lengths
Length Approximate   0, +50mm  
  Exact L6,000mm   0, +5mm  
    6,000mmL10,000mm   0, +15mm  
    10,000mmL   0, +5mm+1mm/m  
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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