What is large-diameter hot-expanding seamless steel pipe?

Large-diameter hot-expanding seamless steel pipe product, as smelting, rolling main line extension, he used the "medium frequency heating, hydraulic push system" Expanding process, our factory has three advanced thermal expansion of pipe production line can be a variety of to 820mm diameter steel pipe expansion following a variety of specifications. In recent years, large-diameter seamless steel pipe factory has formed a variety of full scale structural systems in the oil and gas pipelines, building structures, petrochemical and other industries, to specifications, superior quality, quick delivery, reasonable price and other advantages by industry praise. Products are widely used in aerospace, chemical, construction, food, industrial control, medical, nuclear power plant, oil and gas development and production, transportation and seabed exploration and other fields.