AS1163 C250 C350 Structural Steel Hollow Section Pipe Supplier We offer galvanized steel pipes with high quality in various grades.The stainless steel pipes cover welded steel pipes and seamless steel pipes.The shapes can be divided into galvanized steel round pipe and galvanized steel square pipe.They are mainly used in industry,medical,machinery,decoration and etc. Standard：AS 1163 Steel Grade：C250,C350,C450 Range：219.1mm～ 610mm Thickness：4.5mm～16mm Length：5.85m～20m Ends:Plain, Beveled, Thread With Couplings Or Sockets; Surface:Bared, Galvanized, Oiled, Color Paint, 3PE; Or Other Anti-corrosive Treatment Application: We offers Structural Pipes that are widely used across the canopy, automobile, bicycle, furniture and scaffolding industry for stair railing. The pipes have excellent resistance against resistance against rust & chemicals and are appreciated for their smooth surface finish. Available in various thickness, sizes and dimensions. Main Export Markets: Asia Australasia Central/South America Eastern Europe Mid East/Africa North America Packing In bare bundle with steel band,or in bulk. Standard lengths are 6, 8 and 12 meter. AS/NZS 1163 is subject to tensile testing in accordance with AS 1391, charpy impact test in accordance with AS 1544. If you need additional requirements, please consult us.