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china latest news about What is the use and classification of square tube?

What is the use and classification of square tube?

October 14, 2022

Process classification Square tube according to the production process: hot rolled seamless square tube, cold drawn seamless square tube, extruded seamless square tube, welded square tube. The welded square pipe is divided into 1, according to the process - arc welding square pipe, resistance ...
china latest news about Galvanized sheet is a new layer of steel on the surface

Galvanized sheet is a new layer of steel on the surface

October 10, 2022

Galvanized sheet is a steel plate with a layer of zinc on the surface. Galvanizing is an economical and effective antirust method often used. About half of the world's zinc production is used in this process. Function: galvanized steel plate is to prevent corrosion on the surface of the steel plate ...
china latest news about Five Rebar basics you didn't know

Five Rebar basics you didn't know

October 12, 2022

1. Reinforcement sampling Simply put, it is to calculate the total weight of reinforcement of an engineering project, and the result is generally how many tons. The weight of the steel bar is equal to the length of the steel bar times the specific gravity of the steel bar. Therefore, the sampling of ...
china latest news about How to choose color coated galvanized steel roofing sheets?

How to choose color coated galvanized steel roofing sheets?

October 14, 2022

How much is color coated steel roofing plate per square meter? What kind of color coated galvanized steel plate suits you best? There are many manufacturers of prepainted color coated galvanized steel roofing plates, and the specifications of color steel plate are als various. How to correctly ...
china latest news about The rust removal method of galvanized pipe

The rust removal method of galvanized pipe

October 13, 2022

1. Firstly, use solvent to clean the steel surface and remove the organic matter on the surface. 2, then use tools to remove rust (wire brush), remove loose or inclined scale, rust, welding slag, etc., 3, the use of pickling. Galvanized is divided into hot plating and cold plating, hot plating is ...
china latest news about Connection mode of galvanized pipe

Connection mode of galvanized pipe

October 13, 2022

Connection of galvanized steel pipe: thread, welding. Connecting by rolling groove (1) Rolling groove weld cracking 1. The inner wall welding bars of the pressure groove part of the pipe mouth will be smoothed to reduce the rolling groove resistance. 2. Adjust the axis of steel pipe and rolling ...
china latest news about A bar of steel used as the main structural material in concrete works

A bar of steel used as the main structural material in concrete works

October 12, 2022

A strip of steel used as a major structural material in concrete works. According to the shape of the circular section of light circular steel bar and ribbed deformation steel bar, according to the production process of hot rolled steel bar, heat treatment steel bar, cold rolled ribbed steel bar and ...
china latest news about Eight classifications of rebar

Eight classifications of rebar

October 12, 2022

The vertical bar, through bar, stress bar, negative bar, waist bar, tie bar, distribution bar, stirrup. 1. Steel bar is iron-carbon alloy, mainly composed of iron and carbon elements, and other alloy elements. Class I steel bar rolling for smooth circular section, supply form a disk circle, diameter ...
china latest news about How to select Rebar？

How to select Rebar？

October 12, 2022

In the selection of reinforcement, according to its appearance to select. Good steel surface is relatively smooth, and the color is more uniform, and is very neat, without some cracks and uneven this situation. Usually the end face of the steel bar is round, and some inferior steel bar its end face ...
china latest news about How about the performance of the steel bar

How about the performance of the steel bar

October 11, 2022

Rebar process performance includes many items, according to the characteristics of different products can be put forward different requirements, such as ordinary rebar requirements for bending and reverse bending (reverse bending) test, some prestressed steel requirements for repeated bending, ...