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AS1163 C450

AS-1163-C450-L0-Structural-Steel-Pipe-API-5CT-H40-AS-1163-C450L0

AS1163 C450

AS1163 C450 is a steel grade of hollow section steels specified in the AS/NZS 1163 standard. The nominal minimum yield strength of hollow sections is used to determine the grade classification (in MPa). The prefix “C” is used before the value of the nominal yield strength of the steel to indicate that the section is cold-formed. Only cold-formed structural steel hollow sections are covered by AS1163. Also, if the number is followed by a suffix “L0”, this steel grade must meet the impact test requirements. As a result, AS1163 C450 means cold-formed structural steel hollow sections with 450 MPa minimum yield strength, and no impact test required. This makes it an ideal choice for a variety of applications, such as beams, columns, trusses, and piping. Thanks to its high strength and formability, AS1163 C450 is a versatile material that can be used in a wide range of projects.

AS1163 is an Australian/New Zealand Standard that covers the requirements for cold-formed, electric resistance-welded, steel hollow sections used for structural purposes. It applies to structural hollow sections formed cold without subsequent heat treatment. The Standard considers three strength grades, with or without impact properties, that are suitable for welding. This Standard is important because it ensures that steel hollow sections used for structural purposes meet minimum requirements for strength, ductility, elongation, weldability, and fracture toughness. This Standard is essential for anyone who produces or uses steel hollow sections in structural applications. By ensuring that these products meet minimum standards, AS1163 helps to protect both consumers and producers from sub-standard products. In addition, the Standard helps to ensure that steel hollow sections are safe and fit for their intended purpose. As a result, AS/NZS 1163 is an important document that should be consulted by anyone involved in the production or use of steel hollow sections.

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Since 1998, Tianjin United Steel Pipe Co., Ltd (TUSPIPE) has been committed to supplying high-quality line pipes.

With over 500,000 tons annual production capacity, the company serves various fields and industries, such as oil & gas exploitation and transmission, ship & auto-building, water & electricity, environmental protection, mechanical engineering, infrastructure construction and etc.

TUSPIPE places a premium on product quality and rigorous product quality control. In order to maintain good product quality,  the company has established a Test & Inspection Center since 2004. With a series of state-of-the-art tests and inspection equipment, the test & inspection center is able to perform the tensile tests, hydro tests, impact tests, DWTT, etc.

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Dimensions and Sizes of AS1163 C450 Pipe

AS1163-C250L0-AS/NZS-1163-C350L0-AS/NZS-1163-C450L0-Dimension-and-Size

Chemical Composition of AS1163 C450 Pipes

When conducting a chemical analysis of AS1163 C450 materials, it is important to use a reliable method of sampling in order to get accurate results. The method of sampling should be in accordance with AS/NZS 1050.1 or ISO 14284 in order to ensure that the results are accurate. The chemical composition should be determined in accordance with AS/NZS 1050 series Standards or other procedures that have the same, or better, degree of accuracy. This will ensure that the results of the chemical analysis are accurate and can be used to make decisions about the composition of the material being tested.

GradesChemical Composition of AS/NZS 1163 C450 materials
(Cast or product analysis)
% max.
CSiMnPSCrMoAlTiMicro-alloying elementsCE
AS/NZS 1163 C4500.20.251.70.030.030.30.350.10.040.150.43

Mechanical Properties of AS1163 C450 Materials

AS1163 C450 materials are used in a variety of construction applications, and it is important to understand their mechanical properties to ensure that they will be able to perform as intended. Tensile tests, impact tests, and flattening tests are all essential for assessing the strength and durability of these materials. The tensile test measures a material’s ability to withstand pulling forces, while the impact test measures its resistance to shattering forces. The flattening test, meanwhile, assesses a material’s ability to resist crushing forces. 

- AS/NZS 1163 C450 Tensile Test Requirements

AS1163 Tensile Test Requirements

- AS/NZS 1163 C450 Charpy V-Notch Impact Test Requirements

AS1163-IMPACT-TEST

The tolerances of AS1163 C450 Standard

AS1163 C450 is a set of standards for cold-formed hollow sections. The standards cover two main aspects: shape and mass tolerances, and length tolerances. As can be seen from the tables below, the tolerances are relatively tight, especially for mass. This is due to the fact that hollow sections are often used in load-bearing applications, and even small deviations from the nominal dimensions can lead to significant changes in performance. As a result, it is important to ensure that cold-formed hollow sections meet the tolerances given in the tables below. Doing so will help to ensure that they perform as intended and do not fail prematurely.

- AS/NZS 1163 C450 Tolerance for Shape and Mass

AS1163-Tolerance-C350L0-for-Shape-and-Mass

- AS/NZS 1163 C450 Tolerance on Length

AS1163-C350L0-Tolerance-on-Length

AS1163 C450 / API 5L X52 Dual Specs Pipes

There is a lot of demand for dual-spec pipes, like AS1163 C450 and API 5L X52 materials, which are in short supply. Mechanic and chemical tests are done to show that these materials meet these standards. API 5L and AS1163 each have their own set of tests that must be done to make sure they meet their own tensile and fracture toughness standards. Hydrostatic pressure testing and non-destructive weld inspection are also done to find out how strong and safe the structure is.

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