The production and manufacturing process of small-diameter thick wall seamless steel pipe can be divided into four basic modes: cold drawing, cold rolling, hot rolling and hot expansion.
A335 P12 steel pipe is a kind of seamless steel pipe, and its performance is much higher than that of ordinary seamless steel pipe.
ASME material, seamless steel pipe. It is mainly used for heating surface components such as economizer and water wall in boiler pressure components; The corresponding domestic material is SA210 / gb5310. The service temperature is generally lower than 450 ℃.