Construction materials & assembly

Hollow Section

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Square and rectangular section shaped pipes are produced by sectioning circular pipes on the electric-welding mill line.

Application: building structures for different applications.
Weld shaped pipes are produced from St 1, St 2, St 3 carbon steel grades, 08, 10 and 20 steel grades, as well as from S235JRH,
S355JОH, S355J2H, E155, E190, E195, E220, E235, E260 grades.
Pipes are manufactured at the electric-weld pipe units by high-frequency induction welding.

 

 

Standard Outside
dia., (mm)
Wall thickness, mm
0,8 0,9 1,0 1,2 1,5 2,0 2,5 2,8 3,0 3,5 4,0 5,0 6,0
 

GOST 8639-82

10х10
15х15
20х20
25х25
30х30
35х35
40х40
50х50
60х60
80х80
90х90
100х100

 

 

Standard Outside
dia., (mm)
Wall thickness, mm
0,8 0,9 1,0 1,2 1,5 2,0 2,5 2,8 3,0 3,5 4,0 5,0 6,0
GOST 8645-68,

GOST 30245-2003

 

 

Х- ст3сп5, 09Г2С-12 

40х20
40х25
50х25
60х30
60х40
80х40
80х60
100х60
100х100 х х х х
120х60
120х120 х х х х
120х80
140х60 х х х х
140х100   х х х
140х140   х х х
160х120   х х х
160х160   х х х
180х100   х х х
180х140   х х х
180х180   х х х
200х120   х х х
200х160     х х