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Manufacturing Standards

Orrcon Steel products are manufactured by cold forming and electric resistance welding and are tested to meet the following Australian Standards:

Mechanical
Hollow sections used for mechanical purposes are manufactured to meet:

  • AS 1450 - Steel Tubes for Mechanical Purposes (Grades C200 & C250 ERW).

Standard Tolerances - Structural Tube & Pipe

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AS1163

Dimensional Tolerances

Characteristic

Pipe (CHS)

Rectangular & Square (RHS / SHS)

External dimensions (d, b, d0)

±1% with minimum of ±0.5mm

& maximum ±10%

±1% with minimum of ±0.5mm

Thickness (t)

d406.4mm

±10%

±10%

d>406.4mm

±10% with max of ±2mm

All Sections

Mass

Not less than 96% of specified nominal mass

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