20x20x2.5 Steel Hollow Section, EN 10219-2

The 20x20x2.5 steel hollow section (EN 10219-2): height 20 mm, width 20 mm, wall thickness 2.5 mm. Available as 6 lengths from 100 to 6000 mm, each as simplified STEP.

How these parts are made, and what the levels mean: read the method

• Also searched as: 20x20x2.5 hollow section, 20x20x2.5 x 100 to 20x20x2.5 x 6000 hollow sections
• Model id: en10219-20x20x2-5
• Standard: EN 10219-2:2006 · size 20x20x2.5

Lengths

Length (mm)	Part key	Simplified
100	en10219-20x20x2-5x100	STEP
250	en10219-20x20x2-5x250	STEP
500	en10219-20x20x2-5x500	STEP
1000	en10219-20x20x2-5x1000	STEP
2000	en10219-20x20x2-5x2000	STEP
6000	en10219-20x20x2-5x6000	STEP

Dimensions

Symbol	Name	min	nom	max	Modeled	Rule	Level
H	Height		20		20	nominal	L1
B	Width		20		20	nominal	L1
T	Wall thickness		2.5		2.5	nominal	L1
ro	External corner radius	4		6	5	midpoint of min–max	L1
ri	Internal corner radius		2.5 ref		2.5	reference value	L0 (ref: one source)

Drawing

As a PDF: CC-EN10219-SZ-20x20x2.5.pdf.

The 20x20x2.5 steel hollow section beside the 20x20x2 and the 25x25x2

The 20x20x2.5 is number 2 of the 89 EN 10219-2 steel hollow sections published here, listed from 20x20x2 to 100x100x10.

• Height (H): 20 mm on the 20x20x2.5 steel hollow section, against 20 mm on the 20x20x2 and 25 mm on the 25x25x2.
• Width (B): 20 mm on the 20x20x2.5 steel hollow section, against 20 mm on the 20x20x2 and 25 mm on the 25x25x2.
• Wall thickness (T): 2.5 mm on the 20x20x2.5 steel hollow section, against 2 mm on the 20x20x2 and 2 mm on the 25x25x2.
• External corner radius (ro): 4 to 6 mm on the 20x20x2.5 steel hollow section, against 3.2 to 4.8 mm on the 20x20x2 and 3.2 to 4.8 mm on the 25x25x2.
• Internal corner radius (ri): 2.5 mm (reference) on the 20x20x2.5 steel hollow section, against 2 mm (reference) on the 20x20x2 and 2 mm (reference) on the 25x25x2.

Other sizes

• One size smaller: 20x20x2 Steel Hollow Section, EN 10219-2.
• One size larger: 25x25x2 Steel Hollow Section, EN 10219-2.

Documents

• CC-EN10219-DS-20x20x2.5.pdf: 20x20x2.5 datasheet: values with levels, lengths, sources
• CC-EN10219-SZ-20x20x2.5.pdf: 20x20x2.5 drawing: this size's values on the views
• parts.json: the part record of every length (the platform contract)

Sources

bmsteel-en10219, nskenzai-en10219, parker-en10219, roymech-en10219, tata-hybox-en10219. Full citations: the method page and this size's datasheet.

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