AS/NZS1163 200X200 Hollow Section

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AS/NZS1163 200X200 Hollow Section
Details
AS/NZS1163 this standard only covers cold-formed structural steel hollow sections, with core steel grades C250, C350, C450, C250L0, C350L0, and C450L0. The “L0” means which guarantee low-temperature impact performance at 0°C.
Category
Hollow Section
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Description

Products Introduction

 

  1. IN AS/NZS 1163 this standard, the most commonly used steel grade is C350 (including its low-temperature impact derivative grade C350L0), which, due to its optimal balance of strength, weldability, cost-effectiveness, and versatility, has become the mainstream choice in the Australian, New Zealand, and export markets.
Chemical  Composition
 
Element Limit Key Notes
C ≤0.20 CEV≤0.42, Ensure weldability
Si ≤0.45 (CHS); ≤0.55(SHS RHS) Improve strength and processability
Mn ≤1.60 Strengthen the matrix and optimize toughness
P ≤0.030 Strictly Control Cold Brittleness Risks
S ≤0.030 Reduce the risk of thermal cracking
Al ≥0.015  Refine grains, enhance toughness
Cu / Ni / Cr ≤0.35 / 0.30 /0.30 total ≤1.0
Mo ≤0.10 Controlling alloy cost and performance
Application Field
  • C350/C350L0

Its strength and weldability are well balanced, making it the most widely used steel grade in this standard.

 

1. In construction projects, it is commonly used for key load-bearing components of steel structures such as columns, beams, and trusses, and can also be used to make scaffolding and fences.

2. In the industrial field, it can serve as machinery frames, equipment supports, and shelving structures.

3. In the transportation sector, it is suitable for bridge railings, highway guardrails, and other similar applications.

 

C350L0, on the other hand, can meet the requirements for low-temperature impact in scenarios such as bridges and outdoor equipment supports in cold environments.

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    C350/C350L0
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    C350/C350L0
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    C350/C350L0
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    C350/C350L0
     

C250/C250L0,C350/C350L0,C450/C450L0,The core differences lie in mechanical properties, which determine their areas of application. If you want to learn about the detailed chemical composition and physical properties of each steel grade in this standard, please click https://www.steelbrisk.com/hollow-section/as-nzs-1163-cold-formed-box-section.html

 

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