Pipe NKT of 57 mm of GOST 633-80 P 52203-2004 pumping and compressor

At low price available - the Pipe pumping and compressor (NKT) with a diameter from 27 to 114 mm with a thickness from 3 to 7 mmstandarta: GOST of 11068-81 GOST of 9941-81 GOST of a 9940-81tipa of durability: D K E L of M Rtipy of a pipe: smooth with upset ends outside smooth vysokogeme