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Square Hollow Section

Application: In Industrial Construction, Machinery/Rack/Container manufacturing

Specification: Outer diameter: 10mm*10mm ~ 500mm*500mm

                         Wall thickness: 0.5mm ~ 20mm

                          LENGTH: 0.3mtr ~ 18mtr

Standard: ASTM A500, ASTM A53, EN 10210, EN 10219, JIS G 3466, BS 1387, BS 6323.

Process Type: Hot Rolled/Hot Expanded, Electric Resistance/High Frequency,Cold rolled , Annealed(welded),

End: Square Cut, Burr Removed

Surface: Bare, Black Painting, Lightly Oiled,Black annealing,Galvanized

Packing: Waterproof Paper Wrapped, Steel Strips Bundled, Two Tags on Each Bundle


Contact us :

Email:info@sunrisesteelgroup.com

Whatsapp:+0086-13875806221

DescriptionProcessEquipment Inquiry


Square Steel Tube, Square Steel Pipe

Square hollow sections are often used for columns, however similarly to RHS sections, they are not often used as beams due to its shape that makes it difficult to bolt to other beams and vice versa. SHSs are often called “box sections”. An example is 100 x 100 x 10 SHS, which is 100 mm deep, 100 mm wide and the wall is 10 mm thick. Similarly to RHS sections, hot rolled SHSs are made at the mill as one piece, whereas cold formed SHSs are made of a flat sheet rolled at right angles and welded. It is therefore easy to note the difference, as the cold rolled SHSs have a weld all along its length.



Standard
ASTM A500, EN 10210, EN 10219, JIS G3466, BS 1387, BS 6323 PART5
Grades
S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St37, ST52
Out diameter
10*10mm - 500*500mm
Wall thickness
0.5mm - 20mm



Surface Conditions                                          Special Features

Hot Rolled                                                         Hard to find sizes
Hot Rolled Pickled and Oiled                                 Mitre cutting
Cold Rolled                                                        High strength steel on request
KleenKote                                                          Mult lengths


Standard Corner Radius(Mechanical Sizes:)

Diameter (inch) Wall Thickness (inch) Radius Tolerance (inch)
1/2 to 1 1/2
0.028
1/32 to 1/16
1/2 to 2 1/2
0.035
1/32 to 1/16
1/2 to 4
0.049
3/64 to 5/64
1/2 to 4 1/8
0.065
1/16 to 7/64
3/4 to 4 1/8
0.083
5/64 to 1/8
over 4 1/8 to 6
0.095
3/16 to 5/16
1 to 4 1/8
0.095
3/32 to 5/32
over 4 1/8 to 6
0.109
3/16 to 5/16
1 1/4 to 4
0.109
1/8 to 13/64
over 4 to 6
0.120
3/16 to 5/16
1 1/4 to 4
0.120
3/16 to 5/16
over 4 to 6
0.134
7/32 to 7/16
2 to 4
0.148
3/16 to 5/16
over 4 to 8
0.148
7/32 to 7/16
2 to 8
0.165
1/4 to 1/2
2 to 8
0.180
1/4 to 1/2
2 1/2 to 4
0.203
5/16 to 9/16
over 4 to 8
0.203
5/16 to 9/16
2 1/2 to 8
0.220
3/8 to 5/8

Standard Corner Radius(Structural Sizes:)


Max. 3 x Nominal Wall Thickness


Mechanical Sizes
Structural Sizes
Largest Nominal Outside Dimension
Outside Tolerance at all Sides at Corners
Largest Nominal Outside Dimension
Outside Tolerance at all Sides at Corners
3/16 to 5/8
± 0.004
2 1/2 and under
± 0.020
over 5/8 to 1 1/8
± 0.005
over 2 1/2 to 3 1/2
± 0.020
over 1 1/8 to 1 1/2
± 0.006
over 3 1/2 to 5 1/2
± 0.030
over 1 1/2 to 2
± 0.008
over 5 1/2
± 1%
over 2 to 3
± 0.010


over 3 to 4
± 0.020


over 4 to 6
± 0.020


over 6 to 8
± 0.025



Straightness
Mechanical Sizes: Max. 1/16" in 3 feet
Structural Sizes: Max. 1/8" x Number of feet of total length divided by 5



Wall Thickness
Mechanical & Structural Sizes: ± 10% of Nominal Wall Thickness

Squareness of Sides
Mechanical Sizes: Max: ± b = c x 0.006"
                        b = Tolerance for out-of-square
                        c = Largest external dimension across flats
Structural Sizes: Adjacent sides may deviate from 90 ° by ± 2 °


Maximum Twist (Mechanical & Structural Sizes)

Largest Dimension, inches
Max. Twist*, inches
over 1/2 to 1 1/2
0.050
over 1 1/2 to 2 1/2
0.062
over 2 1/2 to 4
0.075
over 4 to 6
0.087
over 4 to 8
0.100


Convexity & Concavity(Mechanical & Structural Sizes)

Largest Nominal O.D., Inches 
Tolerance ± Inches
2 1/2 and under
± 0.010
over 2 1/2 to 4
± 0.015
over 4 to 8
± 0.025

Structural Tubing A 500 Requirements



Grades Chemical
Physical
C Max. %
Mn Max. %Max. % P Max. % S Max. % Cu Max. % Tensile strength, min. psi
Yield strength, min. psi
Elongation in 2 in.
Grade B
0.26
/ 0.04
0.05 0.20 58,000
46,000
23
Grade C
0.23
1.35
0.04
0.05 0.20 62,000
50,000
21



EN10210 S355NH Rectangular/Square steel pipe






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www.sunrisesteelgroup.com

Looking forward to your favourable inquiry!

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