Square Steel Tube Supply  hollow section

 

1.Product Name:

 

 Square Steel Tube Supply  hollow structural section

 

2.Material:

hollow structural section ASTM A500,ASTM A53,ASTM A106,S235JR,S355 JRH,Q195,Q235,Q345,16M,etc.

 

3.Raw Matrerial:

hollow structural section steel plat,mother pipe

 

4.Outside Dimentions Tolerance

 

Largest Outside Dimension Across Flats	Tolerance (+/-) inches
2-1/2 and under	0.020
Over 2-1/2 to 3-1/2 inch	0.025
Over 3-1/2 to 5-1/2 inch	0.030
Over 5-1/2	1%

 

5.Standard:

GB,ASTM,ASME,DIN,EN,JS.

 

6.Surface Treatment:

    Mill finished as cold rolled

    Transparent oil painted

    Hot or cold galvanized

    Red oxid coated

    As custoer's requirement

 

7.Quality Control:

    Test:chemical component analysis,nechanical properties,technical properties,size inspection

 

8.Apllication:

   building constrcuture

 

9.Some data for your reference:

Material	s355jrh,a106,a53
Standard	DN,EN,GB,JIS,ASTM
Nom. Diameter	30*30mm-700*700mm
Wall Thickness	All Scheduled Walls
Application	building cnstruction
Inspection System	X-ray,image intensifier,pipe trolley,defects marking device
Length	3-14m or according to customer's requirement
Painting	XINZHONGLIAN or as customer's requirement
Technique	Cold formed
Surface Treatment	Galvanized,oil painting or color painting
Type	square
Ends	Plain or beveled
Trade Terms	FOB,CIF,CFR
Delivery Port	Tianjin,China