New Zealand Steel's Just Black Dualgrade C350/C450 is a range of structural and general purpose cold formed electric resistance welded square and rectangular hollow sections.
These products are manufactured to meet the mechanical property requirements of both grade C350 and C450 and are suitable for welding and limited bending. Just Black Dualgrade C350 and C450 hollow sections are suited to load bearing applications and have good torsional strength, impact strength and a high strength to weight ratio.
The pipe plant process a wide range of hollow sections to local and international specifications. Typical applications include agricultural, architectural, general engineering, mechanical handling and structural uses. Typical uses are agricultural implement frames, trailers, pallets and stock crates, sign gantries, service bridges, railings, columns and trusses.
These products are available black, pre-primed or galvanised.