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24 2023-05

Why don't you use galvanized pipes now?

The country has banned the use of galvanized pipes as water pipes in buildings, because galvanized pipes will be in a few years, the inner pipe wall will rust b···

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24 2023-05

Brief introduction of galvanizing knowledge

Zinc dissolves easily in acids and also in alkalis, so it is called an amphoteric metal. Zinc changes little in dry air.

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23 2023-05

How to determine the safety of food grade stainless steel material?

304 stainless steel is a common stainless steel material, density of 7.93g /cm3, also known as 18/8 stainless steel in the industry. High temperature resistance···

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23 2023-05

Is carbon steel a food grade material?

Carbon steel is not a food grade material.

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23 2023-05

What is carbon steel made of ?

​There are many types of steel, one is called carbon steel, what kind of material is this?

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22 2023-05

A long strip of steel with a hollow section and no surrounding joints: petroleum cracking pipe

Seamless steel pipes in this standard are divided into two categories according to the manufacturing methods of products.

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22 2023-05

What is the content of high quality carbon structure tube?

This kind of steel depends on the adjustment of carbon content (C) to improve the mechanical properties of steel, therefore, according to the level of carbon co···

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22 2023-05

3 types of welded pipe

Welded steel pipe: Also called welded pipe, it is made of steel strip cut into narrow steel strips, and then wrapped into a tube by cold working mold. A special···

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19 2023-05

SGCC, SGHC, S350GD, DX51D galvanized coil difference

FA normal grade surface: the surface is allowed to have defects, such as small zinc particles, embossing, scratches, pits, uneven color, black spots, stripes, s···

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19 2023-05

Common defects and solutions in stamping forming

Sheet metal stamping is a very important metal plastic forming method, widely used in aerospace, automobile locomotive, electrical appliances, food packaging, d···

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Zhishang Steel Co., Ltd


Zhishang Steel, specializing in domestic steel products trade, warehousing, processing and other services. The team has four service teams: Shandong Zhishang Steel Co., LTD., Shandong Zhiyiheng Trading Co., LTD., Tai 'an Zhishang Economic and Trade Co., LTD., Shandong Zhishang Steel Structure Co., LTD. Mainly engaged in steel coil, coated, stee···

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