E-mail to us: info@hunanpipe.comSteel Pipes - EN 10219

Specifications Range
Out Diameter 21mm-610mm
Wall Thickness 2mm-16mm

EN 10219: Cold formed welded structural hollow sections of non-alloy and fine grain steels.

Material
Min Yield Strength 
(N/mm2)
Tensile Strength (N/mm2)
Min. Elongation (%)
Thickness in mm
t<16
16>t<40
t<3
3>t<40
t<40
S235JRH
235
225
360-510
340-470
24
S275J0H
275
265
430-580
410-560
20
S275J2H
275
265
430-580
410-560
20
S355J0H
355
345
510-680
490-630
20
S355J2H
355
345
510-680
490-630
20

Manufacturing Tolerances:

Characteristic
Round Hollow Sections
Square and Rectangular Hollow Sections
Outside Dimension 
± 1% with min ± 0.5mm and max ± 10mm
± 1% with min of ± 0.5mm
Thickness (T) 
T≤5mm: ±10%
T≤5mm: ±10%
T>5mm: ± 0.5mm
T>5mm: ± 0.5mm
Out-of-Roundness 
2%
-
Convexity
- Max .8% with min 0.5mm
Squareness of side
- 90° ± 1°
External Corner Profile 
- T≤6mm: 1.6T to 2.4T
- 6
- T,10: 2.4T to 3.6T
Twist
- 2mm plus 0.5mm/m
Straightness
0.2% of total 
0.15% of total
Mass
±6% on individual length

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