The requirements for steel tubes and tubulars intended for regular service are outlined in the Australian standard known as AS1074. This standard covers a variety of steel pipes that are frequently used in plumbing, irrigation, and other general engineering tasks. AS 1074 pipes are favored in the Australian construction and industrial sectors due to their dependability, durability, and adaptability.
The AS 1074 Pipe standard was created to guarantee quality and consistency throughout Australia's steel pipe production. It specifies particular specifications for the manufacturing procedure, as well as the dimensions, material composition, and performance characteristics of these pipes. Manufacturers can produce pipes that meet the requirements of a variety of industries while guaranteeing safety and dependability by adhering to this standard.
The majority of AS1074 pipes are made of carbon steel, and they come in a variety of grades, sizes, and wall thicknesses to suit a variety of applications. These pipes are available with threaded or plain ends, allowing for a variety of installation options. The standard covers black (uncoated) steel pipes as well as hot-dip galvanized steel pipes, offering options for various project requirements and environmental conditions.
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Chemical Composition Requirements:
The properties and performance of AS 1074 Pipe is significantly influenced by their chemical composition. To guarantee consistent quality and dependability, the standard specifies stringent requirements for the chemical composition of the steel used in these pipes. Carbon, manganese, phosphorus, and sulfur are the most tightly controlled elements in the chemical composition.
Because it has a direct impact on the steel's strength and weldability, the content of carbon is particularly significant. For the majority of pipe grades, AS1074 typically mandates a maximum carbon content of 0.25 percent. The pipes are suitable for a variety of applications due to the good balance of strength and formability provided by this level of carbon.
The steel's strength and ability to harden are enhanced by the addition of manganese. Typically, the standard permits a manganese content of up to 1.20 percent. Without having an excessive carbon content, which could result in brittleness, this element contributes to the attainment of the desired mechanical properties.
These pipes are strictly limited in phosphorus and sulfur content because they are considered impurities in steel. Phosphorus is typically limited to 0.040 percent, while sulfur is limited to 0.040 percent. Keeping these components at low levels helps avoid problems like hot shortness and weld defects.
It is important to note that the requirements for the chemical composition may slightly differ depending on the grade of AS1074 pipe. Through careful control of raw materials and production processes, manufacturers must ensure that their products meet these compositional requirements.
Manufacturing Tolerances:
AS1074 standard sets precise manufacturing tolerances for various aspects of the pipes to ensure consistency and quality across different manufacturers. These tolerances cover critical dimensions and characteristics that affect the pipe's performance and ease of use in various applications.
Outer diameter tolerance is a crucial aspect of AS 1074 Pipe. The standard typically allows for a variation of ±1% of the nominal outside diameter for pipes up to and including 48.3 mm OD, and ±0.5 mm for pipes over 48.3 mm OD. This tight tolerance ensures that pipes can be easily joined and fitted with standard components.
Another important dimension with particular tolerance requirements is wall thickness. Typically, AS1074 allows a variation of less than 10% of the nominal wall thickness. This tolerance is necessary to maintain the strength and pressure-bearing capacity of the pipe while allowing for some manufacturing flexibility.
The pipe system's ease of installation and functionality depend on its straightness. In most cases, AS1074 stipulates that the maximum deviation from straightness should not exceed 1% of the pipe's total length. This guarantees that pipes can be connected and aligned without causing too much stress or difficulty.
The surface finish, end preparation, and absence of defects that are covered by AS1074's quality requirements are just a few of the many aspects. The standard says that pipes should not have any flaws that could make them less strong or hard to use. This includes looking for cracks, laminations, and other flaws that could compromise the integrity of the pipe.
For AS1074 pipes from various manufacturers to be interchangeable and to perform consistently in various applications, these manufacturing tolerances are essential. Typically, regular quality control checks during production and a final inspection before the pipes are released to the public verify that they adhere to these tolerances.
Threads:
Due to their ease of assembly and disassembly, threaded AS 1074 Pipes are utilized in numerous applications. The Australian Standard for pipe threads of Whitworth form, AS 1722.1, governs the threading of these pipes. Threaded parts are guaranteed to work with different applications and manufacturers because of this.
The thread form, pitch, and dimensional tolerances of pipe threads are all specified in AS 1722.1. The 55-degree thread angle of the standard Whitworth thread form used in AS1074 pipes provides a good balance between strength and ease of engagement.
In order to guarantee the efficiency and dependability of threaded connections in AS1074 pipes, thread length is a crucial factor. In order to achieve the best possible engagement and sealing performance, the standard imposes specific limitations on thread length. The nominal size of the pipe is typically used to determine the thread length.
The typical thread length for pipes with a smaller diameter (up to about 50 mm nominal bore) is around 19 mm. This length allows for some flexibility in pipe cutting and fitting while ensuring sufficient thread engagement for a secure connection. The thread length increases proportionally with the pipe diameter to provide sufficient strength and sealing capability.
It is essential to keep in mind that AS1074 also includes requirements for thread gauging to guarantee that manufactured threads comply with the standard. This includes checking the threads for their pitch diameter, major diameter, and minor diameter.
In applications where leak-tightness is crucial, AS1074 pipe threading is essential for maintaining the integrity of pipe systems. Threaded connections in AS1074 pipes are guaranteed to be dependable, efficient, and consistent across various manufacturers and applications thanks to the particular restrictions on thread length and compliance with AS 1722.1.
AS 1074 Pipe Manufacturer:
When selecting a manufacturer for AS1074 pipes, it is essential to choose one with a demonstrated track record of quality and compliance with Australian standards. LONGMA GROUP is one of these manufacturers, and it has established itself as a dependable supplier of AS1074 pipes on the market.
The impressive annual production capacity of 50-100 tons of AS1074 pipes at LONGMA GROUP demonstrates the company's dedication to quality. Their capacity to meet the requirements of large-scale projects while maintaining consistent quality is demonstrated by their substantial output. Their production facilities are staffed by skilled professionals who ensure that each pipe satisfies the stringent requirements of the AS1074 standard and is outfitted with cutting-edge machinery.
From choosing raw materials to testing the finished product, the company places a strong emphasis on quality control throughout the manufacturing process. To ensure compliance with AS1074 and related standards regarding threading specifications, manufacturing tolerances, and chemical composition requirements, they employ stringent inspection procedures.
LONGMA GROUP's expertise in producing AS 1074 Pipe makes them a suitable choice for various applications, including plumbing, irrigation systems, and general engineering projects. Their range of products likely covers different sizes and configurations to meet diverse customer needs.
For those in the market for AS1074 pipes, LONGMA GROUP offers a reliable option. Their substantial production capacity, combined with their commitment to quality and standards compliance, positions them as a strong contender in the AS1074 pipe manufacturing sector. Interested buyers can reach out to LONGMA GROUP at info@longma-group.com for more information about their products, capabilities, and how they can meet specific project requirements.
