Circular Hollow Sections

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Circular Hollow Sections


Cold-formed circular hollow section (CHS) steel pipe is one of many varieties of hollow steel section, which was manufactured by a certain steel strip through the process of rolling cold-formed directly into the circular shape. Cold-formed circular hollow section was called mild steel circular hollow welded pipe and hollow section steel tube which is commonly used as a structural section, and also was widely used in machinery manufacturing, construction industry, metallurgical industry, agricultural vehicles, agricultural greenhouses, automobile industry, railway, highway guardrail, container frame, furniture decoration and steel structure.

Product Standard: GB/T6725, GB/T6728, ASTMA500, EN10219, EN10210, JISG3466, EN10219, ASTM A36, AS/NZS/1163

Available Steel Grade: SPA-H, SPHC, C250, C350, Q235, Q345, Q420, Q450, Q460, QSTE500TM, BC550, BS600MC, BS700MC, A36, SS400, S355JH S235JR. They are produced to give good strength and weld ability. sizes range from OD32mm - 258mm. Thicknesses range from 1.75mm up to 12mm.

 

Size(OD)

Thickness(mm)

(MM)

1.75

2

2.75

3

3.5

4

4.5

5

6

8

9

10

12

32

             

38

             

42

             

45

             

50

             

54

 

           

60.3

 

           

70

     

       

76

 

       

80

     

       

89

     

       

92

 

           

94

 

           

101.6

     

       

114

     

     

127

     

       

133

     

       

140

         

     

146

         

 

159

         

 

168

         

178

         

180

         

 

183

         

     

194

         

     

254

         

     

258

     

     

 

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