Structural Hollow Sections (SHS)

Available in Square, Rectangular and Round sections, the main applications are the structural and fabrication market sectors.

Structural Hollow Sections - Download the brochure

Mechanical Properties

Mechanical Properties for material equal to or less than 16mm thick.

Steel Designation	Yield min N/mm2	Tensile N/mm2	Elongation min %	Impact Properties
	Nominal thickness mm	Nominal thickness mm	Nominal thickness mm	Test Temperature	Minimum average absorbed energy standard test piece
	≤16	≥3 <40	<40	C	J
S235JRH	235	340 – 470	24	20	27
S275JOH	275	410 – 560	20	0	27
S355JOH	355	490 – 630	20	0	27

Tolerances

Outside Diameter Square and Rectangular Hollow Sections
Dimensions less than 100mm	+/- 1.0% with a minimum of +/- 0.5mm
Dimensions 100mm up to 200mm	+/- 0.8%
Dimensions over 200mm	+/- 0.6%
Wall thickness (excluding weld area)	+/-10% for specified thickness of 5mm or below and +/-0.5mm for thickness greater than 5mm
Concavity / Convexity	Max. 0.8% with a minimum of 0.5mm
Squareness of sides	90 Degree +/- 1 Degree
External corner radius	6mm thick or below: 1.6 to 2.4 x wall thickness
Straightness	0.15% of total length
Twist	2mm + ( 0.5mm per mtr ) max

Specifications

EN 10219: 1997

Size Chart – Square

O.D (mm)	Wall	2.00	2.34	2.50	2.64	3.00	3.25	3.50	4.00	5.00	6.00	8.00	10.00	12.00	12.50
20.00 x 20.00	–	x		x
25.00 x 25.00	–	x		x		x	x
30.00 x 30.00	–	x		x		x	x
35.00 x 35.00	–					x
38.10 x 38.10	–	x		x	x		x
40.00 x 40.00	–	x		x		x	x		x
45.00 x 45.00	–					x
50.00 x 50.00	–	x		x		x	x		x	x	x
50.80 x 50.80	–	x			x		x
60.00 x 60.00	–	x		x		x	x		x	x	x
70.00 x 70.00	–					x			x	x	x
76.20 x 76.20	–					x	x
80.00 x 80.00	–					x		x	x	x	x	x
90.00 x 90.00	–					x			x	x	x	x
100.00 x 100.00	–					x			x	x	x	x	x
110.00 x 110.00	–					x			x	x	x	x	x
120.00 x 120.00	–					x			x	x	x	x	x	x
125.00 x 125.00	–					x			x	x	x	x	x	x	x
130.00 x 130.00	–					x			x	x	x	x	x	x	x
140.00 x 140.00	–					x			x	x	x	x	x	x	x
150.00 x 150.00	–					x			x	x	x	x	x	x	x
160.00 x 160.00	–					x			x	x	x	x	x	x	x
180.00 x 180.00	–					x			x	x	x	x	x	x	x
200.00 x 200.00	–								x	x	x	x	x	x	x
25.00 x 25.00	–								x	x	x	x	x	x	x

Size Chart – Round

O.D (mm)	Wall	2.00	2.34	2.50	2.64	3.00	3.25	3.50	4.00	5.00	6.00	8.00	10.00	12.00	12.50
33.70	–					x
38.00	–					x
42.40	–					x
45.00	–					x
48.30	–					x			x
50.00	–					x			x
55.00	–					x			x
57.00	–					x			x
60.30	–					x			x
63.00	–					x			x
70.00	–					x			x
76.10	–					x			x	x	x
80.00	–					x			x	x	x
83.00	–					x			x
88.90	–					x			x	x	x
90.00	–					x			x
95.00	–					x			x
100.00	–					x			x	x	x	x
101.60	–					x			x	x	x	x
108.00	–					x			x
110.00						x			x
113.00	–					x			x	x	x
114.30						x			x	x	x	x
120.00	–					x			x
125.00	–					x			x	x	x	x	x
127.00	–					x			x
133.00	–					x			x
139.70	–					x			x	x	x	x	x
152.00	–					x			x
159.00	–					x			x	x	x	x
164.00	–					x			x
168.30	–					x			x	x	x	x	x	x	x
177.80	–					x			x	x	x	x
193.70	–					x			x	x	x	x	x	x	x
200.00	–					x			x	x	x	x
219.10	–					x			x	x	x	x	x	x	x
244.50	–								x	x	x	x	x	x	x
273.00	–								x	x	x	x	x	x	x
323.90	–									x	x	x	x	x	x

Size Chart – Rectangular

O.D (mm)	Wall	2.00	2.34	2.50	2.64	3.00	3.25	3.50	4.00	5.00	6.00	8.00	10.00	12.00	12.50
40.00 x 25.00	–					x
40.00 x 27.00	–					x
40.00 x 30.00	–					x
40.00 x 35.00	–					x
45.00 x 25.00	–					x
45.00 x 30.00	–					x
45.00 x 35.00	–					x			x
50.00 x 20.00	–					x
50.00 x 25.00	–	x		x		x
50.80 x 25.40	–				x		x
50.00 x 30.00	–	x				x	x		x
50.00 x 40.00	–					x			x
60.00 x 20.00	–					x
60.00 x 25.00	–					x
60.00 x 30.00	–					x
60.00 x 40.00	–			x		x			x	x	x
63.50 x 38.10	–	x	x				x
70.00 x 30.00	–					x			x	x	x
70.00 x 40.00	–					x			x	x	x
70.00 x 50.00	–					x			x	x	x
75.00 x 25.00	–					x
76.20 x 38.10	–						x
76.20 x 50.80	–	x
80.00 x 30.00	–					x			x
80.00 x 40.00	–					x			x	x
80.00 x 45.00	–					x			x
80.00 x 50.00	–				x			x	x	x
80.00 x 60.00	–					x			x	x	x
90.00 x 30.00	–					x			x
90.00 x 50.00	–					x			x	x	x
100.00 x 40.00	–					x			x	x
100.00 x 50.00	–					x			x	x	x
100.00 x 60.00	–					x			x	x	x	x
100.00 x 80.00	–					x			x	x	x	x
110.00 x 70.00	–					x			x
120.00 x 40.00	–					x			x	x	x	x
120.00 x 50.00	–					x			x
120.00 x 60.00	–					x			x	x	x	x
120.00 x 80.00	–					x			x	x	x	x	x
120.00 x 100.00	–					x			x	x	x	x	x
140.00 x 60.00	–					x			x	x	x	x
140.00 x 80.00	–					x			x	x	x	x	x
140.00 x 100.00	–					x			x	x	x	x	x	x	x
150.00 x 50.00	–					x			x	x	x	x
150.00 x 100.00	–					x			x	x	x	x	x	x	x
160.00 x 80.00	–					x			x	x	x	x	x	x	x
160.00 x 90.00	–					x			x	x	x	x	x	x	x
160.00 x 100.00	–					x			x	x	x	x	x	x	x
160.00 x 120.00	–					x			x	x	x	x	x	x	x
180.00 x 80.00	–					x			x	x	x	x	x	x	x
180.00 x 100.00	–					x			x	x	x	x	x	x	x
180.00 x 120.00	–					x			x	x	x	x	x	x	x
180.00 x 140.00	–					x			x	x	x	x	x	x	x
200.00 x 80.00	–					x			x	x	x	x	x	x	x
200.00 x 100.00						x			x	x	x	x	x	x	x
200.00 x 120.00	–					x			x	x	x	x	x	x	x
200.00 x 150.00	–					x			x	x	x	x	x	x	x
200.00 x 160.00	–					x			x	x	x	x	x	x	x
250.00 x 100.00	–								x	x	x	x	x	x	x
250.00 x 150.00	–								x	x	x	x	x	x	x
250.00 x 200.00	–								x	x	x	x	x	x	x
260.00 x 180.00	–								x	x	x	x	x	x	x
300.00 x 100.00	–								x	x	x	x	x	x	x
300.00 x 150.00	–								x	x	x	x	x	x	x
300.00 x 200.00	–								x	x	x	x	x	x	x
300.00 x 220.00	–									x	x	x	x	x	x

Chemical Composition

Cast analysis for material equal to or less than 40mm thick
Steel Designation	C max %	Si max %	Mn max %	P max %	S max %	Nb max %
S235JRH	0.17	–	1.40	0.045	0.045	0.009
S275JOH	0.20	–	1.50	0.040	0.040	0.009
S355JOH	0.22	0.55	1.60	0.040	0.040	0.009

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