Brief Introduction of AS/NZS 1163

AS/NZS 1163 is a prominent standard that governs structural steel hollow sections in Australia and New Zealand. This comprehensive standard outlines crucial specifications for the manufacturing and use of these sections, ensuring the reliability and safety of structures. Let’s explore key elements of AS/NZS 1163, including steel grades, diverse applications, and common sizes.

Steel Grades: C250/L0, C350L0, C450/L0

AS/NZS 1163 categorizes structural steel hollow sections into different grades, each defined by specific chemical compositions and mechanical properties. These grades encompass variations in yield strength, tensile strength, and other mechanical characteristics. Engineers and manufacturers rely on these grades to select the most suitable material for diverse applications.

Applications:

1. Building Construction: AS/NZS 1163 steel finds extensive use in the construction of commercial and residential buildings. Its structural integrity and strength contribute to the stability and durability of these structures.
2. Bridges: The standard is applicable to the construction of bridges, providing the necessary strength and resilience required for such critical infrastructure.
3. Industrial Structures: AS/NZS 1163-compliant steel is employed in the fabrication of industrial structures, ensuring stability and safety in demanding environments.
4. Infrastructure Projects: It is utilized in various infrastructure projects such as roads, tunnels, and other public works where robust structural elements are essential.
5. Mining Applications: The standard’s specifications make it suitable for use in the mining industry, providing reliable support structures in challenging environments.
6. Pipelines: AS/NZS 1163-compliant steel is employed in the construction of pipelines, where its strength and durability are vital for the transportation of fluids and gases.
7. Utility Structures: The standard is applied in the creation of utility structures like transmission towers, ensuring stability and safety in the transmission of electricity.
8. Agricultural Buildings: AS/NZS 1163 steel is utilized in the construction of agricultural buildings, providing the necessary structural support for facilities in rural areas.
9. Prefab Structures: The standard facilitates the manufacturing of prefabricated structures, ensuring consistent quality and adherence to structural requirements.
10. Architectural Design: AS/NZS 1163-compliant steel is employed in architectural designs where structural elements are exposed, contributing to both aesthetics and functionality.

Specification:

• Grades: C250/C250L0, C350/C350L0, C450/C450L0
• Out Diameter: 114.3-1142.2mm(4″-56″)
• Wall Thickness: 6.02-50.8mm(0.237″ – 2″)
• Length: 3-12.5 meters

Tolerance of AS/NZS 1163:2016 CHS:

1. Out Diameter: ±1%, with a minimum of ±0.5 mm and a maximum of ±10 mm;
2. Thickness:For OD ≤ 406.4mm : ±10%, For OD> 406.4mm : ±10% with maximum of ±2 mm;
3. 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;
4. Straightness: 0.20% of total length;
5. Mass (m ) per unit length: Not less than 0.96 times the specified mass on individual length.

Longma export and stock AS/NZS 1163 cold-formed steel hollow section. Specifies the requirements for the production and supply of cold-formed, electric resistance-welded, steel hollow sections used for structural purposes. It considers three strength grades(AS/NZS 1163 C250 Hollow Section; AS/NZS 1163 C350 Hollow Section; AS/NZS 1163 C450 Hollow Section), with or without impact properties, that are suitable for welding.

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Different grade and type of AS/NZS 1163 hollow sections LONGMA supply