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What are the applying industries of PPGI?
PPGI, a product made by uncoiling, seaming, degreasing, pretreatment, priming, baking, cooling, and coiling. it’s light weight, beautiful appearance and good corrosion resistance, and may be directly processed. It provides a replacement variety of staple for the development industry, indust...Read more -
Causes and treatment of tarnish on the surface of Printed steel coil
Printed steel coil is compared with gloss surface and matte caused reason is various, everyone at the time of production and processing to pay attention to find the cause of matt and get rid of, otherwise the use effect of product will be affected by certain influence, the following is to introdu...Read more -
Influence factors on anneal brightness of 304 stainless steel tube
The purpose of bright annealing furnace is mainly used for the heat treatment process of finished products under the condition of the protection of 304 stainless steel pipe material. When the performance requirements are different, the metallographic structure requirements after bright annealing ...Read more -
Caliber classification basis for seamless steel tubes
If the seamless steel pipe is used for water, gas conveying pipe, the project diameter is the inner diameter, the unit is: mm, inch; If it is used as welded steel pipe, the nominal diameter is outer diameter (outer diameter × wall thickness), and the unit is mm. The diameter of any pipe can be di...Read more -
Mechanical properties of seamless steel tubes
The mechanical property of steel is an important index to ensure the performance of steel body, which depends on the chemical composition of steel and the heat treatment system. In the seamless steel pipe standard, according to the different requirements of use, the provisions of tensile, hardnes...Read more -
Selection of process form of cold-drawn seamless steel tube
Cold rolling/cold drawing is the production method of seamless steel tube, there are cold rolling + cold drawing and other mixing modes. Cold drawing equipment is simple, less investment, simple operation and maintenance. Cold rolling equipment complex, investment, less intermediate process, ...Read more -
What matters should be paid attention to when Angle steel is installed and stored?
One, storage needs to pay attention to: 1. The steel with serious rust should not be kept for a long time after rust removal and should be used as soon as possible. Materials should be careful to prevent rain or mixed with impurities before storage. 2. The material that has touched water should b...Read more -
High pressure seamless pipe production mode
Seamless steel pipe plays an extremely important role in some fields. Due to the particularity of material selection, the production material needs to have greater density. The greater the density, the better the quality, seamless steel pipe after high pressure pressing, will make the whole with ...Read more -
Mechanical properties testing of medium thickness steel plate
Medium thickness steel products have a wide range of applications including shipbuilding, construction, large diameter welded pipe and boiler. Generally, the thickness of medium thickness steel plate is between 10 mm and 200 mm. The detailed information Medium thickness steel products have a wide...Read more -
Low alloy steel plate maintenance paint rust removal process?
1, the structure of low alloy steel plate: high strength high temperature resistant material, plate type soft, at the same time has a certain health, the thickness of the plate is different, constitute different subdivision structure; 2, the traditional maintenance of low alloy steel plate: clean...Read more -
Galvanized plate and aluminum zinc plate difference
Aluminum zinc plate is not the same as the difference between coating, the surface of galvanized sheet evenly distributed with a layer of zinc materials, the anode protection effect to the parent metal, that is, alternative corrosion of zinc materials, protect the use of parent metal, in this cas...Read more -
Features of high quality processing of thick wall seamless steel pipe
The surface roughness of thick-wall seamless steel pipe is required in the specification, and the general regulation cannot have the disadvantages of application harm, such as stratification, scab, gap, etc. The tolerance standard of geometric shape error of thick-walled seamless steel pipe is a...Read more
