Seamless steel pipes are sent to the inspection department for product quality inspection after finishing, which is an important measure to ensure the quality of seamless steel pipes. The inspection standards and contents shall be specified by national standards and some standards or technical conditions.
The inspection of seamless steel pipe can be random and complete. The random inspection is generally to determine the mechanical properties, quotation, internal organization and chemical composition of seamless steel pipe. In addition to sampling inspection in a batch of seamless steel pipes, Lu'an seamless steel pipes and seamless steel pipes for some important purposes sometimes need to be fully inspected. In addition, according to the standard requirements, the hot-rolled seamless steel pipe shall be subject to process tests such as flattening, bending, crimping and flaring, as well as hydrostatic test.