ASTM A335 Alloy P Seamless Pipes: Manufacturer, Supplier & Exporter in India
Amardeep Steel Centre is a leading manufacturer, supplier and exporter of ASTM A335 Alloy P Seamless Pipes in India. Our ASTM A335 alloy steel pipe is specifically designed for high-temperature service and is a critical component in the power generation and petrochemical industries. We ensure all our products meet and exceed global quality standards.
What is ASTM A335 Alloy P Seamless Pipe?
ASTM A335 is the standard specification for seamless ferritic alloy steel pipes intended for high-temperature service. The 'P' designation refers to a specific family of grades within this standard, such as P5, P9, P11, P22, and P91. These grades are distinguished by their chemical composition and are engineered to offer excellent strength and creep resistance at elevated temperatures. ASTM A335 Alloy P Seamless Pipes are manufactured without a welded seam, providing superior integrity and a reduced risk of failure under pressure.
ASTM A335 Alloy P Seamless Pipe Grades We Supply
ASTM A335 Alloy Steel Pipes Specifications
Our ASTM A335 alloy steel pipe adheres to strict international specifications:
| Specification | Details |
|---|---|
| Standards | ASTM A335, ASME SA335 |
| Grades | P5, P9, P11, P22, P91 |
| Size | 1/2" to 24" (Nominal Bore) |
| Wall Thickness | SCH 40, SCH 80, SCH 160, SCH XXS, and custom thicknesses |
| Length | Single Random, Double Random, and Cut Length |
Manufacturing & Quality Assurance
Our manufacturing process for ASTM A335 pipes follows a rigorous quality assurance protocol. The pipes are produced using a seamless process, where a solid billet is pierced to create a hollow tube. This method ensures a uniform structure and superior strength. Post-production, each pipe undergoes multiple tests, including hydrostatic testing, non-destructive testing (NDT), and chemical and mechanical analysis, to guarantee compliance with all specifications.
Applications of ASTM A335 Alloy Steel Pipes
The high-temperature resistance and strength of ASTM A335 alloy steel pipe make them crucial for:
- Power Generation: Used for boiler tubes, superheaters, and steam lines.
- Petrochemical Industry: Applied in refineries and chemical plants for process piping.
- Oil & Gas: Employed in heat exchangers and high-temperature transport lines.
- Fertilizer and Chemical Plants: Suitable for handling corrosive and high-temperature media.
Frequently Asked Questions
What is the main characteristic of ASTM A335 P-grades?
The primary characteristic is their suitability for high-temperature service due to their excellent creep and rupture resistance. The 'P' stands for 'Pipe' and the numbers refer to the specific alloy composition.
Are these pipes suitable for high-pressure applications?
Yes, ASTM A335 Alloy P Seamless Pipes are ideal for high-pressure applications as the seamless construction eliminates the risk of weld-related failures under stress.
Can these pipes be welded?
Yes, the P-grades are generally weldable. However, due to their alloy content, a pre-heating and post-weld heat treatment (PWHT) procedure is often required to maintain mechanical properties and avoid cracking.
