Huzhou Nanxun Yintuo Special Material Technology Co., Ltd. specializes in the development and production of high-quality duplex stainless steel pipe, nickel-nickel alloy and seamless pipe.
Generally, seamless pipes are made of 10, 20, 30, 35, 45 and other high-quality carbon steels such as 16Mn, 5MnV and other low-alloy structural steels or 40Cr, 30CrMnSi, 45Mn2, 40MnB and other composite steels by hot rolling or cold rolling. Seamless pipes made of low carbon steel such as 10 and 20 are mainly used for fluid transportation pipelines. Seamless pipes made of medium carbon steel such as 45 and 40Cr are used to manufacture mechanical parts, such as stressed parts of automobiles and tractors.
There are two types of seamless steel pipes: round and special-shaped. The special-shaped pipes are square, elliptical, triangular, hexagonal, melon-shaped, star-shaped, and finned. The large diameter is 650mm, and the small diameter is 0.3mm. According to different purposes, there are thick-walled pipes and thin-walled pipes. Seamless steel pipes are mainly used as petroleum geological drilling pipes, petrochemical cracking pipes, boiler pipes, bearing pipes, and high-precision structural steel pipes for automobiles, tractors, and aviation.
Seamless steel pipe, seamless steel pipe for structure, seamless steel pipe for fluid, precision seamless steel pipe, high, medium and low pressure boiler pipe, alloy seamless steel pipe, stainless steel pipe, galvanized pipe, welded pipe, etc., customized thick-walled coiled pipe, etc. The products sold are in compliance with standards and are applicable to various fields such as engineering, coal mines, textiles, electric power, boilers, machinery, and military industries. The seamless pipe material is 10#, 20#, 35#, 45#, 27SiMn, 16Mn, 15CrMo, 15CrMoG, 35CrMo, 12CrIMoV, 12CrIMoVG, 40Cr, 10CrMo910, T91, etc. Seamless steel pipe implements international GB8162-2008 (structural pipe), GB8163-2008 (fluid pipe), GB3087-2008 (low and medium pressure boiler pipe), GB5310-2008 (high pressure boiler pipe), GB6479-2000 (special fertilizer pipe), GB9948-2006 (petroleum cracking pipe), GB/T17396-1998 (27simn hydraulic prop pipe), etc.
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