Manufacturing Process	Material	Standard Grades	Size Range (mm)	Thickness Range (mm)	Standard Length (mm)	Standard Finishes	Manufacture Specification
Spiral Welded Tube and Pipe	Stainless	304L 316L 4003	76 to 1524 OD	1.2 to 5.0mm	6000*	Cold & Hot Roll	Roladuct Tig welded
	Mild Steel	G250 G275	76 to 1524 OD	1.2 to 6.0mm	6000*	Cold & Hot Roll Galvabond	Roladuct MIG and TIG welded
Spiral Lockseam Ducting Systems	Mild Steel Stainless Aluminium Gal	Galvabond Colorbond 304L 316L Aluminium as specified	Standard 75 to 3000 Insulated 75 to 3000 Oval 500 x 150 to 1950 x 700mm	0.5 to 3.0mm	As nominated Oval Max 3.5m	Cold & Hot Roll Galvabond Colorbond	Helical 4 ply pittsburg locked seam
Fabricated Fittings Bends, Tees, Reducers, Transitions, Butt weld Flanged	Mild Steel Stainless Galvanized	As for tube and pipe	To match tube and pipe	0.5 to 5.0mm	As nominated	Cold & Hot Roll Galvabond	Roladuct or as specified
Note: *Or as nominated by the customer **Also to International Maritime Dangerous Goods and UN Codes