GOST 617-90 Sq.m M3 M1 copper pipe of 3 - 280 mm

At low price available - a copper pipe, with a diameter from 1,5 to 360 mm, from 0,15 to 2,5 mm thick
Standards: GOST 617-90 state standard specification P 52318-2005 state standard specification 32598-2013 state standard specification P 54158-2010 state standard specification 11383-75 GOST 16774-78 state standard specification 21646-2003
Material brands: M1 M1r Sq.m