AS NZS 1163 Circular Hollow Section

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AS NZS 1163 Circular Hollow Section

Type: AS NZS 1163:2016, Cold-formed structural steel Hollow Sections

Standard：AS1163

Grade: C250, C250 LO, C350, C350 LO, C450, C450 LO

Elongation Min: C250: 22, C250 LO:22, C350:20, C350 LO:20, C450:16, C450 LO:16

External Dimensions(do, d and b): ±1%，with a minumum of ±0.5MM and a maximum of ±10MM

Thickness(t): For d。≤406.4MM：±10%，For d。＞406.4MM：±10% with maximum of ±2MM

Out-of-roundness(o): ±2% for Hollow Sections having diameter to thickness ratio not exceeding 100, otherwise shall be agreed between APM and  the purchaser

Straightness: 0.20% of total length

Mass(M)per unit length: Not less than 0.96 times the specified mass on individual length

Tolerances of length(Precision length): 

Surface treatment: Galvanized, Powder Coating, Painted, Anodized, Polished, Brushed, Sandblasted, Acid Etched, Plated

Application: Building construction, Fabrication,  Automotive industry, Agricultural equipment and machinery, Shipbuilding, Oil and gas industry, Mechanical engineering