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Product Overview
Introduction To Engineering Steel P22
MOKSH TUBES & FITTINGS LLP is a manufacturer, supplier, exporter, importer, and stockist of P22 alloy steel products such as pipes, tubes, plates, and fittings used primarily in pressure vessels and high-temperature applications.
EN P22, is a chromium-molybdenum (Cr-Mo) alloy steel commonly used for high-temperature and high-pressure service in power plants, oil refineries, and petrochemical industries. It provides excellent strength, creep resistance, and corrosion resistance at elevated temperatures, making it ideal for boilers, superheaters, and heat exchangers.
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P22 Alloy Steel Specifications (ASTM A335 / ASME SA335)
| Category | Details |
|---|---|
| Grade | ASTM A335 / ASME SA335 Grade P22 |
| Type | 2.25Cr–1Mo Ferritic Alloy Steel |
| Typical Chemical Composition | C 0.05–0.15%, Mn 0.30–0.60%, Si 0.50–1.00%, Cr 1.90–2.60%, Mo 0.87–1.13% |
| Conditions | Normalized & Tempered, Annealed, Hot Finished |
| Heat Treatment | Normalizing, Tempering, Stress Relieving |
| Testing | Tensile, Hardness, Chemical, Hydrostatic, UT (on request) |
| Certification | EN 10204 3.1 / 3.2 (MTC Available) |
Chemical Composition of P22 Alloy Steel
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.05 – 0.15 |
| Silicon (Si) | 0.20 – 0.50 |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Chromium (Cr) | 1.90 – 2.60 |
| Molybdenum (Mo) | 0.85 – 1.10 |
| Nickel (Ni) | ≤ 0.40 |
The chromium–molybdenum alloying of P22 provides excellent oxidation resistance, high-temperature strength, and improved creep behavior.
Mechanical Properties of P22 Alloy Steel
| Property | Annealed | Hot-Finished | Hot-Rolled |
|---|---|---|---|
| Tensile Strength (MPa) | 517–655 | 552–758 | 517–655 |
| Yield Strength (MPa) | 276–414 | 310–620 | 276–414 |
| Elongation (%) | 20–30 | 15–25 | 20–30 |
| Brinell Hardness (HB) | 140–190 | 160–220 | 140–190 |
| Rockwell Hardness | 75–85 B | 85–90 B | 75–85 B |
P22 retains strength, toughness, and excellent creep resistance at service temperatures up to approximately 600°C.
Uses and Advantages
Excellent high-temperature strength and creep resistance
Good corrosion and oxidation resistance in steam environments
Suitable for high-pressure and high-temperature service
Reliable weldability and machinability
Applications of Engineering Steel P22
Engineering Steel P22 is widely used in:
Chemical Processing
Oil & Gas
Marine
Pharmaceutical
Heat Exchangers
Power Plants
WHY CHOOSE US?
FAQ's
What is P22 steel used for?
P22 steel is used in high temperature and high-pressure applications such as boiler tubes, superheater and reheater tubes, heat exchangers, pressure vessels, and refinery piping in power plants, petrochemical, and oil & gas industries.
What are the key properties of P22 steel?
P22 steel provides excellent strength, high creep resistance, corrosion and oxidation resistance at elevated temperatures, good weldability, and reliable mechanical performance for long term service.
In what forms is P22 steel available?
P22 steel is available as seamless and welded pipes, tubes, sheets, plates, bars, flanges, fasteners, and custom fabricated components to meet diverse industrial requirements.
Why is P22 steel preferred for high-temperature applications?
With chromium, molybdenum, and nickel alloying, P22 steel offers superior high temperature strength, creep resistance, and corrosion resistance, making it suitable for boilers, superheaters, and pressure vessels operating under severe conditions.
Why choose MOKSH TUBES & FITTINGS LLP for P22 steel?
We provide certified P22 steel products with extensive stock, custom sizing, technical expertise, competitive pricing, timely delivery, and full traceability to ensure reliable performance in critical applications.
Contact Us
For inquiries or quotations for P22 steel products, contact Moksh Tubes & Fittings LLP — your reliable supplier for high-performance alloy steels.
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