As a high-strength low-alloy structural steel material widely used in construction, bridges, machinery manufacturing, and other fields, Q355B straight seam welded steel pipe has become the focus of attention in the industrial field for its performance characteristics, production process, and market

First, an introduction to GB/T9948 high-pressure seamless steel pipesGB/T9948 high-pressure seamless steel pipes are seamless steel pipes for petroleum cracking (GB9948-88), which are furnace tubes, heat exchangers, and pipelines suitable for petroleum refineries. Mainly used for boilers, heat excha

Introduction to LSAW straight seam double-sided submerged arc welded steel pipe: LSAW straight seam double-sided submerged arc welded steel pipe is a steel pipe with the weld parallel to the longitudinal direction of the steel pipe. It is usually divided into metric electric welded steel pipe, elect

As an important alloy steel pipe, 15CrMo straight seam welded steel pipe is widely used in industrial fields such as petroleum, chemical industry, electric power, boilers, etc. This material has become one of the preferred materials for pipeline systems under high temperature and high pressure envir