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Seamless Steel Pipe With Astm A53
Meet the stringent mechanical performance requirements (especially Gr.B grade), easily cope with high-pressure fluid delivery and structural load-bearing.
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Strength
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Toughness
Precise geometric dimensions
Strict control of inner and outer diameters and wall thickness ensures easy installation and system sealing.
Process compatibility
Excellent weldability, forgeability and cold bending performance, greatly improving construction efficiency and design flexibility.
Economical Applicability
Provide highly competitive procurement costs and optimize project budgets while meeting performance requirements.
International standard guarantee
ASTM A53 standard is recognized worldwide, ensuring reliable product quality and reliable inspection, eliminating worries.
In-depth interpretation of ASTM A53 standard: the cornerstone of quality
The ASTM A53 standard is an authoritative specification developed by the American Society for Testing and Materials. It is designed for general pipe applications and covers both welding and seamless process types.
Material Grade
| Gr. A (Grade A) | Provides basic strength performance, suitable for low-pressure fluid transportation and general structural support. |
|---|---|
| Gr. B (Grade B) | Most widely used, with significantly higher yield strength and tensile strength, it is an ideal choice for high-pressure systems, critical structural parts and scenarios requiring higher safety factors. |
Chemical composition and mechanical properties
The standard clearly stipulates the content of elements such as carbon (C), manganese (Mn), phosphorus (P), and sulfur (S), and strictly limits key indicators such as tensile strength, yield strength, and elongation to ensure stable and reliable material performance.
| Performance indicators | ASTM A53 seamless steel pipe requirements | Advantages |
|---|---|---|
| Tensile Strength | ≥ 415 MPa (60,000 psi) | Typically 480-550 MPa |
| Yield Strength | ≥ 240 MPa (35,000 psi) | Typically 290-350 MPa |
| Elongation | ≥ 23% (gauge length 50mm/2in) | Good plasticity, usually >30% |
Production process
1. Selection of high-quality steel billets: Carbon steel billets with strictly controlled chemical composition are the starting point of quality.
2. Perforation and rolling: After the billet is heated, it is formed into a hollow rough tube by a perforator, and then the outer diameter and wall thickness are precisely controlled by multiple hot rolling (such as oblique rolling and continuous rolling).
3. Sizing and straightening: The hot-rolled pipe is passed through a sizing mill to obtain precise dimensions, and then straightened to eliminate bending.
4. Heat treatment (optional): According to standard requirements and final use, normalizing treatment may be performed to optimize the organization, improve performance uniformity and stability.
5. Finishing and inspection: Including cutting heads and tails, printing marks, hydrostatic testing (or non-destructive testing), dimensional accuracy testing, surface visual inspection, etc., to ensure that each steel pipe meets the ASTM A53 standard.
Application
Oil and gas: Seamless steel pipe can be used to make oil and gas gathering and transportation pipelines, wellhead device pipelines, refinery process pipelines (medium and low pressure), and instrument pipelines.
Chemical and petrochemical: Seamless steel tube can be used to make process pipelines, public engineering pipelines, and structural supports for various chemical media (water, steam, air, oil products, and some chemicals).
Power industry: Hot rolled seamless steel tube can be used to make boiler feed water, condensate, fire water system, thermal pipeline, and power plant structure support.
Building and infrastructure: Hot rolled seamless steel pipe can be used to make high-rise building structure columns, venue trusses, bridge components, and scaffolding systems (key load-bearing parts).
Building and infrastructure: Hot rolled seamless steel pipe can be used to make high-rise building structure columns, venue trusses, bridge components, and scaffolding systems (key load-bearing parts).
Water supply and sewage treatment: Hot rolled seamless pipe can be used to make municipal water supply main network, pump station pressure pipeline, sewage treatment plant process pipeline.
Mechanical equipment manufacturing: Seamless hot rolled steel tube can be used to make hydraulic system pipelines, pneumatic pipelines, transmission shaft sleeves, equipment frame structural parts.
Why choose us as your ASTM A53 seamless steel pipe supplier?
One-stop supply of all specifications: The inventory covers a full range of wall thicknesses, Gr. A / Gr. B is complete, meeting your one-stop purchasing needs.
Strict quality control: From raw materials entering the factory to finished products leaving the factory, we implement an internal quality control system that exceeds the ASTM A53 standard. Each batch of goods is accompanied by an authoritative third-party test report to ensure traceability and compliance.
Flexible customization capabilities: Support non-standard length customization, special groove processing, coating anti-corrosion (such as anti-rust oil, spray painting, epoxy coating) and other value-added services.
Efficient global logistics: Relying on a mature supply chain network and logistics partners, we provide flexible and diverse transportation solutions to ensure that goods arrive at global destinations on time and safely.
Professional technical support: A team of senior engineers is on call at any time to provide you with selection suggestions, technical answers, and application solutions to help you optimize your design and reduce costs.
Highly competitive prices: Large-scale production and lean management ensure that we provide you with industry-leading A53 seamless steel pipe prices, significantly optimizing your procurement costs.
Take action now and let high-quality A53 seamless steel pipes empower your projects!
In the face of fierce market competition and stringent project requirements, choosing reliable, compliant, and high-performance pipe materials is a prerequisite for success. ASTM A53 Gr.B seamless steel pipes have become your best choice for fluid conveying systems and structural applications with their proven quality and excellent cost-effectiveness.
Send your inquiry now and get the most competitive quote today!
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