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How to Identify Quality of Stainless Steel Pipe

Time:2015.10.14 Source: http://www.sssshangshang.com Author:www.sssshangshang.com
Large diameter stainless steel seamless pipe has a wide application in the heavy industry like machinery manufacturing industry and petroleum prospecting industry. Large diameter stainless steel seamless pipe price is not the most important factor that affects psychology of customers. The quality is the most important. Then many people might ask how can I know what kind of large diameter stainless steel seamless pipe is of good quality? Here I can tell you identify skills.

Firstly, shoddy stainless steel tube is easy to fold. Folding is often throughout the product's longitudinal direction. The reason of folding line is that shoddy factory pursuit of high efficiency so reduction is too large, resulting in the ears. It creates a rolling fold down so that the strength of stainless steel pipe will drop. Therefore, when choosing large diameter stainless steel seamless pipe, you should pay attention to whether the pipe has folding line.

Secondly, shoddy stainless steel surface is easy to produce scarring. There are two reasons. One is that the material used to manufacture large diameter stainless steel seamless pipe is not pure and there are a lot of impurities. The other is that the manufacturers have poor equipment. Therefore, when buying large diameter stainless steel seamless pipe, don't care about large diameter stainless steel seamless pipe price first. Cheap pipes may have problems.

Thirdly, shoddy stainless steel pipe is easy to crack because its blank is adobe. Adobe has a lot of pores. And during cooling process, stainless steel pipe will crack after rolling because of thermal stress. Stainless steel pipes with large cracks are not suitable for large projects because there is a danger of leakage. Therefore, when choosing pipes, you should choose the one without cracks.

Fourthly, shoddy stainless steel pipe has no metallic luster. The pipe appears to be pale red color or the color of pig iron. The reason is mainly that inferior-rolling temperature is not standard. So the region cannot be prescribed by austenite rolling, properties of steel pipes are naturally not compliance.

Learning how to identify shoddy stainless steel pipes, I believe you can clearly tell the difference between high-quality pipes and poor-quality pipes. If you are in need of high-quality stainless steel tube without problems mentioned above, Shangshang is an ideal choice for you. We have advanced equipment and professional engineers. We can ensure that our products are good and large diameter stainless steel seamless pipe price is reasonable. For further information about stainless steel pipe, you can visit www.sssshangshang.com.