Identification of inferior DIN17175 17Mn4 steel pipe

As a leading supplier of 17Mn4 steel tubes for DIN17175 in China, katalor has received many customers' complaints about the 17Mn4 steel tubes for DIN17175 in the market and lacks identification methods. In order to help customers select reliable pipeline suppliers, BBN steel summarized some ways to share.


First, the inferior DIN17175 17Mn4 steel pipe is easy to fold.

Folding is formed on the surface of 17Mn4 steel tube with various broken lines, usually throughout the entire product longitudinal.


Second, inferior DIN17175 17Mn4 steel pipe often has facial appearance. Due to severe groove wear, the surface of 17Mn4 steel pipe is irregular and uneven. Groove rolling is often the most standard because the manufacturer of poor quality DIN17175 17Mn4 steel tubes seeks profit.


Third, poor quality DIN17175 17Mn4 steel tube surface easy to produce scar.

There are two reasons :(1). Poor quality and poor quality DIN17175 17Mn4 steel pipe material is not even, impurities are many. (2). Manufacturers of fake and inferior materials are weak in guiding equipment and are easy to adhere to steel. These impurities create scars when they bite into the roller.


Above are some simple techniques for identifying defective DIN17175 17Mn4 steel tubes. For more information, please contact professional 17Mn4 steel pipe supplier and exporter katalor  company.

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