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About us
Tianjin lefin Industrial
TIANJIN LEFIN STEEL GROUP containing Tianjin lefin Industrial Co.,Ltd. 、Tianjin lefin steel import & export Co.,Ltd and Tianjin Shengqifeng International Trading Co., Ltd. -
Products
Steel Pipe Processing
Our main products include 1/2inch to 16 inch ERW PIPE/GI PIPE which has been produced according to BS1387/ASTM A53/EN10219/EN10255/EN10217 Standard -
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Service Capability
Guarantee Quality
Our steel pipes are suitable for oil, natural gas, shipbuilding, chemical industry, water conservancy, electrical, steel structure, construction and other related fields.
Our main products include 1/2inch to 16 inch ERW PIPE/GI PIPE which has been produced according to BS1387/ASTM A53/EN10219/EN10255/EN10217 Standard
Our main products include 1/2inch to 16 inch ERW PIPE/GI PIPE which has been produced according to BS1387/ASTM A53/EN10219/EN10255/EN10217 Standard
Has rich experience in steel pipe processing, can be customized according to customer requirements according to the drawing and sample processing, assist in the development of new products.
Guinea Bissau AS 1163 STEEL PIPE
Category:
Product Description
AS 1163 is the Australian standard specification for structural steel pipes. Its uniqueness mainly lies in material properties, process standards and application adaptability. The following is an analysis of the core characteristics integrating multiple sources:
1. Strict material and performance standards
- High strength grades: AS 1163 defines multiple strength standards, such as C250, C350, C350L0, C350L2, etc. Among them, the tensile strength of C350 grade is ≥430 MPa, and the yield strength is ≥350 MPa, which is significantly higher than that of common structural steels (for example, the yield strength of national standard Q235 is only 235 MPa).
- Low-temperature toughness requirements:Some grades (such as C350L0/L2) require low-temperature impact toughness tests (-10°C or -20°C) to ensure resistance to brittle cracking in cold environments, making it suitable for infrastructure in harsh conditions.
- Composition control: Trace elements (such as manganese and silicon) are added to carbon steel to optimize weldability and ductility and reduce the risk of cracking.
2. Advanced surface treatment process
- Galvanizing technology: AS 1163 galvanized steel pipes are processed by hot-dip galvanizing to form a uniform zinc coating (thickness ≥85μm), providing long-lasting anti-corrosion protection. They are particularly suitable for humid, coastal or industrial corrosive environments.
- Frictionless surface:After galvanization, the surface is smooth and clean, reducing fluid transportation resistance, extending service life, and supporting direct installation without secondary treatment.
- Thread design: Some pipes are equipped with NPT conical threads (American standard pipe threads) at both ends, achieving highly sealed connections. No additional sealing materials are required, simplifying installation and withstanding high-pressure systems.
3. Wide structural and engineering applicability
•Construction and Infrastructure: Widely used in building frames, bridge supports, and temporary scaffolding, it reduces structural loads with its high strength and lightweight characteristics (excellent strength-to-weight ratio).
• Pressure system: The C350L0/L2 grade is suitable for medium and low pressure pipeline systems, such AS water and gas transportation and hydraulic pipelines, and meets the AS/NZS 1200 pressure equipment standard.
• In the fields of machinery and transportation: It is used for components of construction machinery (such as conveyor supports) and automotive chassis structural parts (such as anti-roll frames), taking into account both strength and weldability.
4. International standard compatibility
- Benchmarking against European and American standards: In terms of material requirements, AS 1163 overlapped with some performance aspects of the European standard EN 10210 (such as S355J2H) and the American standard ASTM A53/A106, but it placed more emphasis on the local climate and engineering requirements of Australia (such as anti-corrosion and earthquake resistance).
- Global project application case: For instance, in the road repair project in New Zealand, AS1163 G350 steel pipes were recognized by the customer for their 20-day shortened delivery time and stable quality, highlighting the coordination ability between production and logistics.
5. Specification diversity and customization
- Wide range of sizes: We offer PFC series channel steels (such as PFC100×50 to PFC430×100) and various cross-sections including round and square pipes to meet different structural design requirements.
- Customized production: Supports non-standard lengths (such as 12m fixed length) and special wall thicknesses, suitable for large-scale projects (such as pile driving pipe specifications 1050×12×12000mm).
Summary: Core advantages of AS 1163
AS 1163 steel pipe, with its high strength, corrosion-resistant galvanized coating, standardized threaded joints and strict low-temperature toughness, has become the preferred choice for projects in Australia and New Zealand as well as internationally. Its characteristic of balancing structural safety and construction efficiency is particularly suitable for high-voltage infrastructure, corrosive environments and rapid delivery projects .
Address: Hengtai Road,Daqiuzhuang Town,Jinghai County,Tianjin,China
Mob: +8615122229899(whatspp)
Phone: +86 22 58171905
Fax: +86 22 58171902
E-mail:info@lefinsteel.com
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