GOST
GOST 30732-2006
Steel pipe diam...
426
Wall thickness,...
7
GOST
GOST 30732-2006
Steel pipe diam...
530
Wall thickness,...
7
GOST
GOST 30732-2006
Steel pipe diam...
630
Wall thickness,...
8
GOST
GOST 30732-2006
Steel pipe diam...
720
Wall thickness,...
8
GOST
GOST 30732-2006
Steel pipe diam...
820
Wall thickness,...
9

