The hot formed pipe diameter is 20 - 550 mm thickness there are 2,5 - 42 mm of GOST 8732-78 8731-74

At low price available - a hot formed seamless pipe with a diameter from 20 to 710 mm with a thickness from 2.5 to 42 mmstandarta: GOST 8732-78 state standard specification 9567-75 TU 14-3-1128-2000 TU 14-161-184-2000 TU 14-3P-44-2001 TU 14-3P-55-2001 TU 14-3P-50-2001 TU 14-3-1430-20