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ABOUT US“ZGL GROUP” owns a technological R&D center with a great number of high quality talents of strong will, precise skill and professional expertise, among which there are 40 senior and intermediate level technicians with master
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PRODUCTS“ZGL GROUP” owns a technological R&D center with a great number of high quality talents of strong will, precise skill and professional expertise, among which there are 40 senior and intermediate level technicians with master
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NEWS“ZGL GROUP” owns a technological R&D center with a great number of high quality talents of strong will, precise skill and professional expertise, among which there are 40 senior and intermediate level technicians with master
01
2021-11
What are the uses of High alloy seamless steel pipe
High alloy seamless steel pipe is a kind of seamless steel pipe. Its performance is much higher than that of ordinary seamless steel pipe. Because this steel pipe contains more Cr, its high temperature resistance, low temperature resistance and corrosion resistance are other seamless steel pipes.
2021-11-01
26
2021-10
The manufacturer of En10210 pipe will show you how to connect seamless steel pipes
The manufacturer of En10210 pipe tells you that seamless steel pipes also need to pay attention to the various connections of seamless steel pipes in the process of use and application.
2021-10-26
15
2021-10
En10210 pipe manufacturer will show you: seamless steel pipe pickling process
The manufacturer of En10210 pipe tells you that in the production process of seamless steel pipes, the method of using acid solution to remove oxide scale and rust on the surface of steel is called pickling.
2021-10-15
12
2021-10
The manufacturer of En10210 pipe tells you that seamless steel pipes need to be quenched during production. So what is quenching technology? Quenching is after the completion of basic production of seamless steel pipes, they are fired and shaped.
2021-10-12
29
2021-09
The manufacturer of S355J2H pipe tells you that making seamless steel pipes that have been processed into products with less tortuosity has to rely on a mechanical straightening machine to finish.
2021-09-29
24
2021-09
The manufacturer of S355J2H pipe will show you how to store seamless steel pipes
The manufacturer of S355J2H pipe tells you that in current life, seamless steel pipes are widely used, but we know that due to the material problems of seamless steel pipes, we should pay attention to related matters when storing them to avoid rusting of seamless steel pipes.
2021-09-24
18
2021-09
The manufacturer of S355J2H pipe tells you that in the production of seamless steel pipes, we must follow the key points and matters of the production process to avoid flaws in seamless steel pipes, which will have a fatal impact on the quality of our products.
2021-09-18
10
2021-09
What are the prerequisites for a good DIN 2391 cold draw pipe manufacturer
What are the prerequisites for a good DIN 2391 cold draw pipe manufacturer? Some DIN 2391 cold draw pipe manufacturers have been producing cold drawn pipes for a long time.
2021-09-10
07
2021-09
How to determine whether the manufacturer of DIN 2391 cold draw pipe has quality assurance
How to determine whether the DIN 2391 cold draw pipe manufacturer has quality assurance? To understand whether the DIN 2391 cold draw pipe manufacturer has better manufacturing quality assurance, apart from visiting and observing the DIN 2391 cold draw pipe manufacturer’s manufacturing production In addition to strength, we must also understand the customer evaluation of the DIN 2391 cold draw pipe manufacturer in all manufacturing industries.
2021-09-07
31
2021-08
The manufacturer of DIN 2391 cold draw pipe tells you that the so-called cold drawing is to use a cold drawing machine for metal construction without heating.
2021-08-31
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