At Tricon Steel & Alloys, we supply top-grade Alloy Steel ASTM A335 P91 Pipes built for extreme durability and high-pressure performance. These pipes are engineered to perform under the most demanding thermal and mechanical conditions, making them a trusted choice in power plants, refineries, and petrochemical industries worldwide. Manufactured with precision and backed by international certifications, our P91 pipes represent the next level in alloy steel technology.
TABLE OF CONTENT
- Introduction to ASTM A335 P91 Pipes
- What is Alloy Steel ASTM A335 P91 Pipes
- Application Industries Of ASTM A335 P91 Pipes
- Specifications of ASTM A335 P91 Pipes
- Chemical Composition of ASTM A335 P91 Pipes
- Mechanical Properties of ASTM A335 P91 Pipes
- People Also Search
- FAQs on Alloy Steel ASTM A335 P91 Pipes
What is Alloy Steel ASTM A335 P91 Pipes?
Alloy Steel ASTM A335 P91 Pipes Manufacturers produce this material using a high-grade chromium-molybdenum alloy. The "P91" in its name refers to the unique blend of 9% chromium and 1% molybdenum that gives it remarkable strength, creep resistance, and oxidation protection even at elevated temperatures. These pipes are designed to carry high-pressure steam and fluids in superheated environments. That’s why they are a staple in thermal power and high-stress industrial operations.
Advantages of Alloy Steel ASTM A335 P91 Pipes Pipes?
One of the most significant benefits of using Alloy Steel ASTM A335 P91 Pipes Suppliers is their superior thermal efficiency and longer service life. The material’s resistance to deformation, corrosion, and thermal fatigue ensures fewer replacements and reduced maintenance downtime. Their high tensile strength and excellent toughness at elevated temperatures make them ideal for boiler systems and heat exchangers. Tricon Steel & Alloys delivers pipes that meet the toughest international mechanical and chemical requirements, ensuring reliability you can count on.
Uses and Applications of Alloy Steel ASTM A335 P12 Pipes?
These pipes are widely used in numerous critical sectors thanks to their strength and adaptability. You’ll find Alloy Steel ASTM A335 P22 Pipes in:
- Alloy Steel ASTM A335 P91 Pipes in Power Generation: These pipes are essential for high-pressure boilers, turbines, and reheaters.
- High Strength Alloy Steel P91 Pipes in Oil & Gas Industry: Used for upstream and downstream operations requiring extreme temperature resistance.
- Seamless ASTM A335 Grade P91 Pipes in Chemical Plants: Preferred for corrosive media and high-pressure transfer lines.
- ASTM A335 P91 Pipes in Refineries: Ideal for high-pressure and high-temperature refining processes.
- Boiler Grade Alloy Steel P91 Pipes in Petrochemicals: Used for superheaters and reformer tube applications.
- P91 Steel Pipes in Aerospace and Defense: Selected for applications requiring high mechanical strength and reliability.
The international standards governing these pipes include ASTM A335, ASME SA335, and equivalent EN, DIN, and ISO standards. These pipes are rigorously tested for mechanical strength, hardness, and surface quality. Tricon Steel & Alloys offers products that are certified to meet standards such as IBR, NACE, and PED, making them suitable for global use. These high-performance pipes come in various schedules and thicknesses, tailored to meet specific client needs. As leading Alloy Steel ASTM A335 P91 Pipes Stockists, we maintain a ready inventory for immediate dispatch worldwide.
Internationally, Alloy Steel ASTM A335 P91 Pipes Exporters often encounter different nomenclature. In Europe, these pipes are commonly referred to as X10CrMoVNb9-1 under the EN 10216-2 standard. In Japan, they may be known as STBA28, while in Russia, a similar grade may be called 10Kh9MFB. Regardless of the name, Tricon Steel & Alloys ensures our pipes meet the precise requirements of each market.
What are Specifications of Alloy Steel ASTM A335 P91 Pipes?
| Specifications | Alloy Steel ASTM A335 Pipes | Alloy Steel ASME SA335 Pipes |
|---|---|
| Dimensions | ASTM, ASME and API |
| Size | 1/8″NB TO 30″NB IN |
| Tubing Size | 1 / 2” OD up to 5” OD, customs diameters also available |
| Outer Diameter | 6-2500mm; WT:1-200mm |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Grade | ASTM A335, Gr. Alloy Steel P5 Pipes, Alloy Steel P9 Pipes, Alloy Steel P11 Pipes, Alloy Steel P12 Pipes, Alloy Steel P21 Pipes, Alloy Steel P22 Pipes & Alloy Steel P91 Pipes, ASTM A213 – T5, T9, T11, T12, T22, T91, ASTM A691 |
| Length | Within 13500mm |
| Type | Seamless / Fabricated |
| Form | Round, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
What are Chemical Composition of Alloy Steel ASTM A335 P91 Pipes?
| Grade | UNS Designation A | Carbon | Manganese | Phosphorus, max | Sulfur, max | Silicon | Chromium | Molybdenum | Others |
|---|---|---|---|---|---|---|---|---|---|
| P91 Type 1 | K21590 | 0.08-0.12 | 0.30–0.60 | 0.020 | 0.010 | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 | V 0.18–0.25, N 0.030–0.070, Ni 0.40 max, Al 0.02 max, Cb 0.06–0.10, Ti 0.01 max, Zr 0.01 max |
| P91 Type 2 | K21590 | 0.08-0.12 0.07-0.13 | 0.30–0.50D | 0.020D | 0.005D | 0.20-0.40D | 8.00-9.50D | 0.85-1.05 0.80-1.05 | V Heat 0.18–0.25, Product 0.16–0.27, Ni 0.20 maxD, Al 0.020 maxD, N 0.035–0.070D, N/Al ratio $4.0, Cb, Heat 0.06–0.10, Product 0.05–0.11, Ti 0.01 maxD, Zr 0.01 maxD, Sn 0.010 maxD, Sb 0.003 maxD, As 0.010 maxD, B 0.001 maxD, W 0.05 maxD, Cu 0.10 maxD |
What are Mechanical Properties of Alloy Steel ASTM A335 P91 Pipes?
| Grade | Tensile strength, min: | Yield strength, min: | Elongation Requirements | |||
|---|---|---|---|---|---|---|
| KSI | MPa | KSI | MPa | Longitudinal | Transverse | |
| P91 Type 1 and Type 2 | 85 | 585 | 60 | 415 | 20 | |
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