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| Common steel section sizes ( metric ). |
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The steel sections below
are a few of the common sizes you should be able to
order from any steel merchant. These tables are to assist
you when planning a new project, its always handy to
know what steel sizes are available. Sorry, but these
figures are in metric.
When you order steel, it pays to ask
the merchant what the standard length is and buy your
steel based on this length. Merchants dont like keeping
offcuts, so if you can order full lengths you could
get a better price.
Common
name
& end section. |
Size |
Wall
Thickness (mm) |
|
SHS
Square
Hollow
Section
Measured
by
Outside
edges |
13mm
SHS |
1.6 |
| 20mm
SHS |
1.6 |
| 25mm
SHS |
1.6,
2, 2.5, 3 |
| 30mm
SHS |
1.6,
2, 2.5, 3 |
| 35mm
SHS |
1.6,
2, 2.5, 3 |
| 40mm
SHS |
1.6,
2, 2.5, 3, 4 |
| 50mm
SHS |
1.6,
2, 2.5, 3, 4, 5, 6 |
| 65mm
SHS |
1.6,
2, 2.5, 3, 4, 5, 6 |
| 75mm
SHS |
2, 2.5, 3, 3.5, 4, 5, 6 |
| 89(90)mm
SHS |
2, 3.5, 5, 6 |
| 100mm
SHS |
2.5, 3, 4, 5, 6, 9 |
| 125mm
SHS |
4,
5, 6 |
| 150mm
SHS |
5,
6, 9 |
| 200mm
SHS |
5,
6, 9 |
| 250mm
SHS |
6,
9 |
|
RHS
Rectangular
Hollow
Section
Measured
by
Outside
edges |
50X20mm
RHS |
1.6,
2, 2.5, 3 |
| 50X25mm
RHS |
1.6,
2, 2.5, 3 |
| 65X35mm
RHS |
2,
2.5, 3, 4 |
| 75X25mm
RHS |
1.6,
2, 2.5 |
| 75X50mm
RHS |
1.6,
2, 2.5, 3, 4, 5, 6 |
| 100X50mm
RHS |
1.6,
2, 2.5, 3, 3.5, 4, 5, 6 |
| 125X75mm
RHS |
2.5, 3, 4, 5, 6 |
| 150X50mm
RHS |
2,
2.5, 3, 4, 5, 6 |
| 150X100mm
RHS |
4,
5, 6, 9 |
| 200X100mm
RHS |
4,
5, 6, 9 |
| 250X150mm
RHS |
5,
6, 9 |
|
Flat |
10mm |
3 |
| 13mm |
3,
5, 6 |
| 16mm |
3,
5 |
| 20mm |
3,
5, 6, 10 |
| 25mm |
3,
5, 6, 8, 10, 12 |
| 32mm |
3,
5, 6, 8, 10, 12 |
| 40mm |
3,
5, 6, 8, 10, 12, 16, 20 |
| 50mm |
3,
5, 6, 8, 10, 12, 16, 20, 25 |
| 65mm |
3,
5, 6, 8, 10, 12, 16, 20 |
| 75mm |
3,
5, 6, 8, 10, 12, 16, 20, 25, 40 |
| 90mm |
6,
8, 10, 12 |
| 100mm |
3,
5, 6, 8, 10, 12, 16, 20, 25, 50 |
|
Angle |
20X20mm |
3 |
| 25X25mm |
3,
5, 6 |
| 30X30mm |
3,
5, 6 |
| 40X40mm |
3,
5, 6 |
| 45X45mm |
3,
5, 6 |
| 50X50mm |
3,
5, 6, 8 |
| 55X55mm |
5,
6 |
| 65X65mm |
5,
6, 8, 10 |
| 75X75mm |
5,
6, 8, 10 |
| 90X90mm |
6,
8, 10 |
| 100X100mm |
6,
8, 10, 12 |
| 125X125mm |
8,
10, 12, 16 |
| 150X150mm |
10,
12, 16 |
| 200X200mm |
13,
16, 20, 26 |
|
Unequal
Angle |
65X50mm |
5,
6, 8 |
| 75X50mm |
5,
6, 8 |
| 100X75mm |
6,
8, 10 |
| 125X75mm |
6,
8, 10, 12 |
| 150X90mm |
8,
10, 12 |
| 150X100mm |
10,
12 |
|
| |
Measured
by OD ( Outside Diameter ) |
Round
or rod
|
6.3,
8, 10, 12,
14, 16, 18, 20,
22, 24, 27, 30,
33, 36, 39, 42,
45, 50, 56, 60,
65, 75, 80, 90, 100 |
|
|
|
Measured
by ID ( Inside Diameter ). To work out the OD, add
the ID and 2 X wall thickness. |
CHS
or Pipe
Circular
Hollow
Section
|
10mm |
2.3,
2.9 |
| 15mm |
2,
2.6, 3.2 |
| 20mm |
2,
2.3, 2.6, 3.2 |
| 25mm |
2,
2.6, 3.2, 4 |
| 32mm |
2,
2.6, 3.2, 4, 4.9 |
| 40mm |
2.3,
2.9, 3.2, 4, 5.4 |
| 50mm |
2.3,
2.9, 3.6, 4.5, 5.4 |
| 65mm |
2.3,
3.2, 3.6, 4.5, 5.9 |
| 80mm |
2.6,
3.2, 4, 5, 5.9 |
| 90mm |
3.2,
4, 5 |
| 100mm |
3.2,
3.6, 4.5, 5.4 |
| 125mm |
3,
3.5, 5, 5.4 |
| 150mm |
3,
3.5, 5, 5.4 |
|
|
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