Globally well-known provider and exporter of quality JIS G3456 Grade STPT 480 Amardeep Steel Centre Especially designed and trusted for the most important high-temperature and high-pressure uses, this high-strength carbon steel seamless pipe Exceptional performance of STPT 480 is needed in sectors such power generation (including modern boiler systems), oil and gas refining, petrochemical processing, and challenging structural engineering projects.
Perfect tensile strength (Min. 480 MPa), great dimensional correctness, and exceptional resistance to corrosion under thermal stress define these precisely manufactured pipes that satisfy strict JIS G3456 criteria. For strong, dependable JIS G3456 Grade STPT 480 seamless pipes intended for maximum operational life in the most demanding environments, choose Amardeep Steel Centre.
What is JIS G3456 Grade STPT 480 Pipe?
Under Japanese Industrial Standards, JIS G3456 Grade STPT 480 denotes a high-strength category of carbon steel seamless pipe designed for pressure duty at extreme temperatures. While "480" denotes its minimum stated tensile strength of 480 MPa, indicating it as a considerably stronger alternative than grades such as STPT 370 or STPT 410 within the same standard, the "STPT" designation validates its appropriateness for pressure tubes. Made using flawless manufacture, these pipes offer a continuous structure free from welds, ensuring great mechanical strength, consistent wall thickness, and excellent resistance to leaks - essential properties for securely carrying fluids, gases, and steam under highly demanding situations. For demanding uses in oil refineries, thermal power plants, chemical industries, and pressure vessel fabrication where dependability and safety are paramount, JIS G3456 Grade STPT 480 pipes are indispensable offering an ideal balance of high strength, toughness, and good high-temperature corrosion resistance.
JIS G3456 Grade STPT 480 Pipe Specifications
Our STPT 480 pipes are manufactured in strict accordance with JIS G3456 requirements:
| Specification | Details |
|---|---|
| Standard | JIS G3456 |
| Grade | STPT 480 |
| Product Type | High-Strength Seamless Carbon Steel Pipes for High-Temp Pressure Service |
| Manufacturing Process | Seamless |
| Material | Carbon Steel (High Strength) |
| Size Range | 1/8” NB to 24” NB (Custom sizes readily available) |
| Wall Thickness | SCH 10 to SCH 160 / Custom thickness as per requirements |
| Length | Single Random (SRL), Double Random (DRL) & Custom Cut Lengths |
| Ends | Plain End (PE), Beveled End (BE), Threaded (NPT/BSP) |
| Surface Finish | Black Painted, Bare, Anti-Rust Oiled, Galvanized |
| Tensile Strength | ≥ 480 MPa |
| Yield Strength | ≥ 275 MPa |
| Standards/Testing | NDT (UT, ET, MPI), Hydrostatic Testing, Dimensional Checks, Mechanical Testing |
| Applications | High-Pressure Boilers, Refineries, Power Generation, Pressure Vessels |
Chemical Composition (Typical %)
The chemical composition is precisely controlled to achieve the target high strength and performance:
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.30 |
| Manganese (Mn) | 0.30 - 1.50 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Silicon (Si) | 0.10 - 0.35 |
| Iron (Fe) | Balance |
(Note: Composition complies with JIS G3456 requirements for STPT 480.)
Mechanical Properties of JIS G3456 Grade STPT 480 Pipes
This grade boasts superior mechanical properties for the most demanding applications:
| Property | Value |
|---|---|
| Tensile Strength | ≥ 480 MPa |
| Yield Strength | ≥ 275 MPa |
| Elongation | ≥ 21% (in 200mm specimen, typical) |
| Hardness | ≤ 197 HB (Brinell Hardness) |
| Impact Strength (Charpy V-Notch) | ≥ 27 J (at -20°C) Confirm test temp if critical |
| Modulus of Elasticity | Approx. 200 GPa |
Industry Standards & Certifications Compliance
Amardeep Steel Centre ensures that every JIS G3456 Grade STPT 480 Pipe meets stringent global quality and compliance standards:
| Standard/Certification | Compliance |
|---|---|
| JIS G3456 (Japanese Industrial Standard) | Yes |
| ISO 3183 (Petroleum and Natural Gas Industry) | Equivalent grades considered |
| ASME B36.10 (Welded and Seamless Wrought Steel Pipe) | Dimensionally compliant |
| API 5L (Oil & Gas Pipelines) | Equivalent grades considered (e.g., X-grades) |
| ASTM A106 (Seamless Carbon Steel Pipe for High-Temp Service) | Often compared (e.g., Gr C), verify project specs |
| EN 10216-2 (Seamless Steel Tubes for Pressure Purposes) | Equivalent grades considered |
| ISO 9001 (Quality Management Systems) | Yes (Manufacturer/Supplier Certification) |
| ISO 14001 (Environmental Management Systems) | Yes (Manufacturer/Supplier Certification) |
Key Benefits of JIS G3456 Grade STPT 480 Seamless Pipes
Choosing high-strength STPT 480 seamless pipes provides critical advantages:
- Exceptional High Strength: Designed with tensile and yield strength far higher than others to consistently resist combinations of extreme pressure and temperature.
- Enhanced Safety Factor: In important high-stress applications, the strong mechanical qualities and flawless construction provide more margin of safety.
- Superior Durability: Provides good corrosion resistance in high-temperature conditions together with great resistance to deformation and wear.
- Optimized Design Potential: In some uses, thinner wall designs made possible by higher strength could help to lower weight and expense while also preserving pressure ratings.
- Maximum Operational Reliability: Guarantees leak-free integrity and constant performance, therefore reducing maintenance requirements and downtime.
- Extended Service Life: Better materials and production help to extend the operational lifetime even under demanding circumstances.
- Cost-Effective High Performance: Often avoiding the need for more costly alloy steels, this offers a competitive alternative for applications needing great strength at elevated temperatures.
Common Applications
Applications requiring maximum strength and temperature resistance choose JIS G3456 Grade STPT 480 carbon steel seamless pipes because:
- High-Pressure Boiler Drums, Headers, and Tubes
- Critical Oil & Gas Refinery Piping Systems
- Petrochemical Plant Reactors and High-Pressure Lines
- Advanced Thermal and Nuclear Power Station Components
- Pressure Vessel Shells and Components (ASME/JIS compliant)
- High-Temperature Fluid and Gas Transportation under High Pressure
- Offshore Platform Structures and Marine Engineering
- Heavy-Duty Hydraulic Systems
Why Choose Amardeep Steel Centre for JIS G3456 Grade STPT 480 Pipes?
Combining scientific knowledge with an uncompromising dedication to quality, Amardeep Steel Centre distinguishes itself as a reliable worldwide provider of high-strength JIS G3456 Grade STPT 480. Renowned for our expertise in high-strength materials, we guarantee rigorous compliance with STPT 480's exacting standards, therefore producing pipes that shine in pressure-bearing and high-temperature uses. Our inventory consists of a variety of standard sizes that help to minimise project downtime and enable quicker distribution. Custom manufacturing solutions for certain engineering needs including particular dimensions, wall thicknesses, finishes, and lengths also abound here. Supported by mechanical inspections and thorough non-destructive testing, our products offer exceptional dependability and longevity. Amardeep Steel Centre is the recommended partner for consistent, high-performance STPT 480 pipes, supported by a team of industry specialists and presented at reasonable rates.
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Frequently Asked Questions (FAQ)
1. What is the primary use advantage of JIS G3456 Grade STPT 480 over lower grades like STPT 410?
Its greater stipulated minimum tensile strength (480 MPa) and yield strength (275 MPa) provide the main benefits. This makes JIS G3456 Grade STPT 480 pipes fit for the most demanding sections of boilers, pressure vessels, and important process lines where lower grades might not be sufficient as they allow them to safely manage greatly higher pressures and mechanical stresses at elevated temperatures.
2. Can you provide third-party inspection (TPI) services for STPT 480 pipe orders?
Indeed, exactly. Based on customer needs, we often work with top-notch third-party inspection companies (such as TUV, BV, SGS, DNV, ABS, etc.) to independently verify quality, dimensions, and testing for STPT 480 pipe orders.
3. Do you offer customized size and wall thickness options for JIS G3456 STPT 480 pipes?
Yes! We are aware that exact requirements for important applications sometimes call for Based on your particular needs for outer diameter, exact wall thickness (beyond standard schedules if needed), cut lengths, and specialised surface finishes, Amandeep Steel Centre can produce and provide JIS G3456 Grade STPT 480 pipes.
4. What is the typical delivery lead time for JIS G3456 Grade STPT 480 pipes?
Yes! We are aware that exact requirements for important applications sometimes call for Based on your particular needs for outer diameter, exact wall thickness (beyond standard schedules if needed), cut lengths, and specialised surface finishes, Amandeep Steel Centre can produce and provide JIS G3456 Grade STPT 480 pipes.
5. Are your STPT 480 pipes certified according to international standards?
Yes! We are aware that exact requirements for important applications sometimes call for Based on your particular needs for outer diameter, exact wall thickness (beyond standard schedules if needed), cut lengths, and specialised surface finishes, Amandeep Steel Centre can produce and provide JIS G3456 Grade STPT 480 pipes.
