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European standard I sections

IPN sections are the short form for bar shaped building elements or beams with inclined internal surface of the flanges and dimensions according to DIN 1025.I beam will make composite construction of multi-story buildings possible in a cost effective manner. Upper and lower horizontal part of the beam is called flange, the connecting vertical middle part is called web. A stainless steel beam can be or jointed – then it is welded or bolted – or warm manufactured – then it is hot rolled or extruded.

The I beams applications can be many, like Columns, beams, portal frames, hangers, posts, monorails, crane girder and industrial buildings.According to EN 10088-3: 1D the following austenitic grades are predominantly used for European standard I section.The IPN section series has significantly lost importance due to the inclined flanges in favor of the assemble-friendly IPE series.

In USA & European countries most of the frames for multi-story buildings are designed using the principle of composite construction for both beams & floor slabs, which is the most economical form of construction

Dimensions:
IPN 80 - IPN 550 DIN 1025-1: 1995, NF A 45-209: 1983
IPN 600 DIN 1025-1: 1963

Tolerances:
EN 10024: 1995

Surface condition:
According to EN 10163-3: 2004, class C, subclass 1

 

 

Designation Dimensions
mm2 ( x10 2)
Dimensions for Detailing
 
kg/m

mm

mm
tw 
mm
tf 
mm
r1 
mm
r2 
mm

mm
o Pmin 
mm
Pmax 
mm
IPN 80 5.94 80 42 3.9 5.9 3.9 2.3 7.58 59 - - -
IPN 100 8.3 100 50 4.5 6.8 4.5 2.7 10.6 75.7 - - -
IPN 120 11.1 120 58 5.1 7.7 5.1 3.1 14.2 92.4 - - -
IPN 140 14.3 140 66 5.7 8.6 5.7 3.4 18.3 109.1 - - -
IPN 160 17.9 160 74 6.3 9.5 6.3 3.8 22.8 125.8 - - -
IPN 180 21.9 180 82 6.9 10.4 6.9 4.1 27.9 142.4 - - -
IPN 200 26.2 200 90 7.5 11.3 7.5 4.5 33.4 159.1 - - -
IPN 220 31.1 220 98 8.1 12.2 8.1 4.9 39.5 175.8 M10 50 56
IPN 240 36.2 240 106 8.7 13.1 8.7 5.2 46.1 192.5 M10 54 60
IPN 260 41.9 260 113 9.4 14.1 9.4 5.6 53.3 208.9 M12 62 62
IPN 280 47.9 280 119 10.1 15.2 10.1 6.1 61 225.1 M12 68 68
IPN 300 54.2 300 125 10.8 16.2 10.8 6.5 69 241.6 M12 70 74
IPN 320 61.0 320 131 11.5 17.3 11.5 6.9 77.7 257.9 M12 70 80
IPN 340 68.0 340 137 12.2 18.3 12.2 7.3 86.7 274.3 M12 78 86
IPN 360 76.1 360 143 13 19.5 13 7.8 97 290.2 M12 78 92
IPN 380 84.0 380 149 13.7 20.5 13.7 8.2 107 306.7 M16 84 86
IPN 400 92.4 400 155 14.4 21.6 14.4 8.6 118 322.9 M16 86 92
IPN 450 115 450 170 16.2 24.3 16.2 9.7 147 363.6 M16 92 106
IPN 500 141 500 185 18 27 18 10.8 179 404.3 M20 102 110
IPN 550 166 550 200 19 30 19 11.9 212 445.6 M22 112 118
IPN 600 199 500 215 21.6 32.4 21.6 13 254 485.8 M24 126 128

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