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din 2391 1 cold drawn or cold rolled steel tube 01

What are the ways to improve the quality of cold drawn seamless pipes?

If the heating temperature is too high or the heating time is too long, it will cause the zinc ash to adhere to the surface layer of the cold-drawn seamless tube blank substrate, which is difficult to eliminate.

The difference between precision steel pipe and seamless steel pipe

The main feature of seamless steel pipe is that it has no welds and can withstand greater pressure. Products can be very rough as-cast or cold drawn.

Color difference problem of seamless steel pipe

Seamless steel pipes are mainly caused by the strong reaction of iron and zinc.

How to choose stainless steel seamless pipe?

We use stainless steel seamless pipes many times now, and many customers face a lot of problems when selecting materials.

Manufacturing process of stainless steel seamless pipe

Seamless stainless steel pipe, also known as stainless steel seamless pipe, is made of steel ingots or solid tube blanks through perforation to make capillaries, and then hot-rolled, cold-rolled or cold-drawn.

Stainless steel seamless pipe quality defect inspection

The use of stainless steel seamless pipes is still relatively important for many buildings now.

How to deal with the rusted surface of stainless steel pipe?

Although stainless steel seamless pipe is difficult to rust under normal circumstances, it has a great relationship with the environment in which it is used in actual use.

The direct reason for the wide application of thick-walled steel pipes

The quality of thick-walled steel pipes is the reason for the marketing promotion and development trend of such pipeline raw materials in the industrial processing industry, which is also determined by the complicated processing process of thick-walled steel pipes.