Chinese Standard- GB | Sunny Steel Enterprise Ltd.
Guobiao GB in the People’s Republic of China is the abbreviation of Guojia Biaozhun, meaning the “National Standards”, or Guojia Biaozhun Ma, meaning the “National Standard Encoding” as Chinese character encoding system. Both are issued by the Standardization Administration of China, the Chinese National Committee of the ISO and IEC.
GB/T18984-2003 Standard specifies seamless steel tubes for low temperature piping classification code, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificate.
GB/T18984-2003 standard suitable for -49 to -148 degrees F cryogenic pressure vessel piping, and low-temperature heat exchanger tubes seamless steel pipe.
And then calculate a steel pipe and tube theoretic weight.
GB6479-2000 is a national standard specifies Seamless steel tubes for high-pressure for chemical fertilizer equipments. GB6479-2000 standard is applicable to High Pressure Seamless Pipe for For Chemical Fertilizer Equipment . GB9948 petroleum cracking tube seamless pipe is mainly used in the high temperature and high pressure fluid pipes mainly used for fertilizer equipment.
GB9948 standard specifies the seamless steel pipe is mainly used to make high and above pressure steam boiler tubes with high-quality carbon structural steel, alloy structural steel and heat-resistant stainless steel high-pressure seamless pipe.
GB3087-2008 is applicable to the seamless steel tubes that are made of quality carbon structural steels and used for manufacturing various low and medium pressure boilers.
This entry was posted in Pipe fittings, Seamless pipe, Seamless steel pipe, Standard for steel, SunnySteel and tagged GB/T18984-2003, GB3087-2008, GB5310 Standard, GB6479-2000, GB9948 by sunnysteel. Bookmark the permalink.