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GOST 30245 Rectangular Hollow Sections Structural Steel Pipe For Steel Building Structures

TORICH INTERNATIONAL CO.,LTD
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TORICH INTERNATIONAL CO.,LTD
City: Ningbo
Province/State: Zhejiang
Country/Region: China
Tel: 86-574-88086983
Contact Person:
Mr Richard

GOST 30245 Rectangular Hollow Sections Structural Steel Pipe For Steel Building Structures

Brand Name : Torich
Model Number : GOST 30245
Certification : ISO 9001 TS16949 ISO 14001
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 : 100000tons 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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Rectangular Hollow Sections GOST 30245Steel bent closed welded square and rectangular section for building


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


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°






Product Tags:

structural steel tubing

      

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