How to test the hardness of seamless stainless steel pipes?
The hardness of seamless stainless steel pipes is also a very important indicator in construction. We also need to choose qualified products. For the production of seamless stainless steel pipes, we also need to do a good job of testing. Let's talk about how to test the hardness of seamless stainless steel pipes.
Mechanical property test methods are mainly divided into two categories, one is tensile test and the other is hardness test. The tensile test is to make a nickel-based welded pipe into a specimen, pull the specimen to break on a tensile testing machine, and then measure one or several mechanical properties, usually only tensile strength, yield strength, elongation after fracture and cross-sectional shrinkage. Tensile test is the basic mechanical property test method for metal materials. Metal materials, as long as there are requirements for mechanical properties, have tensile tests specified. Especially for those materials whose shapes are not convenient for hardness testing, tensile tests become a means of mechanical property testing.
The hardness test is to slowly press a hard tensile force into the surface of the specimen under specified conditions, and then detect the depth or size of the imprint to determine the hardness of the material. The hardness test is a simple, fast and easy-to-implement method in the mechanical property test of materials.
