EN 10219 standard details

EN 10219 is a standard that specifies cold-formed welded structural hollow sections made from non-alloy and fine-grained steels. This standard outlines the mechanical properties, dimensions, and tolerances for these types of sections, ensuring they meet the required quality and performance criteria for various engineering applications. Below is a detailed table summarizing the material properties and thickness requirements according to EN 10219:

EN 10219 standard details Cold formed welded structural hollow sections from non-alloy steels and fine-grained steels.

Material

Thickness in mm

Min. Elongation (%)

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≤10mm: 2.0T to 3.0T

-

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

The EN 10219 standard is widely used in construction and engineering fields where structural integrity and precision are crucial. The tolerances and mechanical properties outlined in this standard help ensure that the final products meet the necessary design and safety requirements. Whether it's for building structures, bridges, or industrial equipment, understanding the specifications provided by EN 10219 is essential for engineers and manufacturers alike.

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