Product Description
Standard: GB9948-2006 - the Chinese national standard oil cracking pipe cracking tube manufacturing process: oil, hot and cold rolling expansion
USES: used in oil refineries, the furnace pipe, heat exchanger pipe and pipe seamless steel tube. Main production steel grades: 10, 20, 15CrMo, 1Cr2Mo 1Cr5Mo, etcUSES: used in oil refineries, the furnace pipe, heat exchanger pipe and pipe seamless steel tube. Main production steel grades: 10, 20, 15CrMo, 1Cr2Mo 1Cr5Mo, etc