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Rectangular Hollow Sections GOST 30245Steel bent closed welded square and rectangular section for building

Torich International Limited

Rectangular Hollow Sections GOST 30245Steel bent closed welded square and rectangular section for building

Brand Name : Torich

Model Number : GOST 30245

Certification : ISO9001 ISO14001 TS16949

Place of Origin : China

MOQ : 10tons

Price : 700-1000USD/ton

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 80000tons per year

Delivery Time : 5-8week days

Packaging Details : In bundles

Material : Carbon steel

Standard : GOST 30245

Production method : Welded

Shape : Square and Rectangle

Length : 6-12m

Size : 50-400mm

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GOST 30245Steel bent closed welded square and rectangular section for building

Rectangular Hollow Sections

Application:for steel Building Structures.

Manufacture method:Shaping the round tubular section with longitudinal weld(Automatic high frequency welding) and consequent spellerizing to square or rectangular section.

The article sections shall conform to those specified in fingures 1 and 2

Rectangular Hollow Sections GOST 30245Steel bent closed welded square and rectangular section for building

Remark: h—Height(width);b—width;t—wall thickness;R—edge radius;I—Inertia moment;W—resistance moment;i—radius of inertia

h:50-400mm t:4-14mm

Tolerance:

  1. The maximum deviation of the wall thickness shall conform to the maximum deviation of thickness of the blank metal with a width of 1250mm of normal rolling accuracy E in accordance with GOST 19903.Maximum deviations of thickness shall not apply to the places of bending.
  2. The maximum deviation of the section height and width shall not exceed:

--+/-1.5mm for a section height (width)of up to 100mm

--+/-2.0mm for a section height(width)exceeding 100mm.

In case of a section with a height (width)of 100 mm and a wall thickness of 7mm,The maximum deviation of the section height (width ) shall not exceed +/-2.0mm

3.The deviation of an angle in a cross-section from 90 °shall not exceed +/-1°30’,In case of sections with a wall thickness from 7 to 14mm,The maximum deviation from 90° shall not exceed +/-2°

Rectangular Hollow Sections GOST 30245Steel bent closed welded square and rectangular section for building Rectangular Hollow Sections GOST 30245Steel bent closed welded square and rectangular section for building

Rectangular Hollow Sections GOST 30245Steel bent closed welded square and rectangular section for building Rectangular Hollow Sections GOST 30245Steel bent closed welded square and rectangular section for building

Rectangular Hollow Sections GOST 30245Steel bent closed welded square and rectangular section for building


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