Amardeep Steel Centre is a most trusted manufacturer and supplier of dealing in high-quality ASTM A691 9Cr-1Mo-V EFW Alloy Steel Pipes, capable of handling high temperature and high-pressure applications. This chromium molybdenum alloy steel is upgraded with vanadium, molybdenum, manganese, tungsten, nickel and silicon, and also has controlled amounts of phosphorus and sulphur, providing it with increased hardness, tensile strength and chemical resistance. Our pipes are designed for use in power plants, petrochemicals, refineries, gas transmission, pharmaceuticals and chemical processing plants. Available in diameters ranging from 1/8" NB to 36" NB, our pipes are dimensionally accurate and durable and also come with a number of tests like hydrostatic, ultrasonic, eddy current, NDT, flattening, flaring, intergranular corrosion, positive material identification and third-party inspection, making sure that our products meet the international standards of quality. With many years of experience and expertise in the industry, we aim to provide you with reliable alloy steel pipe products.
Technical Data
Specifications of ASTM A691 9Cr-1Mo-V EFW Alloy Steel Pipe
| Specification | Details |
|---|---|
| Standard | ASTM A691 / ASME SA691 |
| Grade | 9Cr-1Mo (Grade 9CR) |
| Type | Electric Fusion Welded (EFW) |
| Size Range | 1/2" NB to 48" NB |
| Wall Thickness | SCH 10 to SCH XXS |
| Length | Single Random, Double Random, Custom |
| Form | Round, Square, Rectangular |
| End | Plain End, Beveled End |
| Testing | Hydrostatic Test, NDT, Radiography |
| Surface Finish | Black, Pickled, Polished |
Chemical Composition of ASTM A691 9Cr-1Mo-V EFW Alloy Steel Pipe
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08 – 0.12 |
| Chromium (Cr) | 8.0 – 10.0 |
| Molybdenum (Mo) | 0.85 – 1.05 |
| Manganese (Mn) | 0.30 – 0.60 |
| Silicon (Si) | 0.20 – 0.50 |
| Phosphorus (P) | 0.020 max |
| Sulfur (S) | 0.020 max |
Mechanical Properties of ASTM A691 9Cr-1Mo-V EFW Alloy Steel Pipe
| Property | Value |
|---|---|
| Tensile Strength | 585 MPa |
| Yield Strength | 205 MPa |
| Elongation | 20% |
| Hardness | Controlled as per standard |
Different Types of ASTM A691 9Cr-1Mo-V EFW Alloy Steel Pipe
Alloy Steel A691 9 Cr Welded Pipes
Alloy Steel A691 9 Cr High Pressure Pipes
Alloy Steel A691 9 Cr EFW Pipes
Applications Uses of ASTM A691 9Cr-1Mo-V EFW Alloy Steel Pipe
- Thermal Power Plants
- Nuclear Power Plants
- Oil Refineries
- Petrochemical Plants
- Chemical Processing Plants
- Fertilizer Plants
- Steel Manufacturing Plants
- Combined Cycle Power Plants
Frequently Asked Questions
What is ASTM A691 9Cr-1Mo-V EFW Alloy Steel Pipe?
ASTM A691 9Cr-1Mo-V EFW Alloy Steel Pipe is an electric fusion welded alloy steel pipe designed for high-temperature and high-pressure service.
What does 9Cr-1Mo-V mean in ASTM A691 pipe?
It indicates an alloy containing approximately 9% chromium, 1% molybdenum, and vanadium for enhanced heat resistance and strength.
What are the applications of ASTM A691 9Cr-1Mo-V EFW Alloy Steel Pipe?
These pipes are used in power plants, refineries, petrochemical plants, boilers, and high-temperature process piping.
Is ASTM A691 9Cr-1Mo-V pipe suitable for high-temperature and high-pressure service?
Yes. It is specifically designed for demanding high-temperature and high-pressure applications.
What is the difference between ASTM A691 9Cr-1Mo-V and ASTM A335 P91 pipe?
ASTM A691 9Cr-1Mo-V is an electric fusion welded pipe, while ASTM A335 P91 is a seamless ferritic alloy steel pipe.
Is ASTM A691 9Cr-1Mo-V pipe seamless or welded?
ASTM A691 9Cr-1Mo-V is manufactured as an electric fusion welded (EFW) pipe.
