Steel Pipe Square Pipe

Steel Pipe Square Pipe photo-1
Steel Pipe Square Pipe photo-2
Steel Pipe Square Pipe photo-3
Steel Pipe Square Pipe photo-4
Steel Pipe Square Pipe photo-5
US$ 300 - 800 MOQ: 30 Metric Tons
Key Specifications
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Place of Origin:
China
Certification:
CE
Thickness:
8, 15
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
30 days
Place of Origin China
Certification CE
Thickness 8, 15
Application Structure Pipe
Surface Treatment Copper Coated
Technique Cold Rolled
Alloy Or Not Is Alloy
Outer Diameter depends
Secondary Or Not Non-secondary
Special Pipe API Pipe
Section Shape Square

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 


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Business Type
Manufacturer
Year Established
2005
Annual Export Value
Above US$100 Million
Port of Shipment
China