Three Hardnesses of Stainless Steel Pipe

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Stainless steel pipes are widely used in manufacturing mechanical parts and engineering structures. So what are the three hardnesses of stainless steel pipes? Let ADTO Group(Stainless Steel Division) introduce it to you. I hope it will be helpful to you.

The three hardnesses of stainless steel pipes are as follows:

1. Brinell Hardness

In the stainless steel pipe standards, brinell hardness is widely used. The indentation diameter is often used to express the hardness of the material, which is both intuitive and convenient. But it is not suitable for steel pipes made of harder or thinner steel.

2. Rockwell Hardness

The rockwell hardness test of stainless steel pipe is the same as the Brinell hardness test, which is an indentation test method. The difference is that it measures the depth of the indentation. Rockwell hardness can be used to measure metal materials from extremely soft to extremely hard. It makes up for the shortcomings of the Brinell method. It is simpler than the Brinell method and the hardness value can be read directly from the dial of the hardness machine. However, due to its small indentation, the hardness value is not as accurate as the Brinell method.

3. Vickers Hardness

The vickers hardness test of stainless steel pipe is also an indentation test method that can be used to determine the hardness of very thin metal materials and surface layers. It has the main advantages of Brinell and Rockwell methods and overcomes their basic shortcomings, but it is not as simple as Rockwell method. Vickers method is rarely used in steel pipe standards.

ADTO Group(Stainless Steel Division)'s products include stainless steel seamless pipes, stainless steel welded pipes, stainless steel pipe fittings, etc. The company has high production capacity, large inventory, and complete specifications, which can meet the needs of engineering supporting projects.