-
Call Us On
+91 97695 84950
-
Mail Us @
info@mokshtubes.com
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.
Download Engineering Steels P22 Datasheet
Get the complete Engineering Steels P22 datasheet with chemical composition, mechanical properties, heat treatment details, and applications. Enter your email to receive the PDF instantly.
We respect your privacy. Your email will only be used to send the datasheet.
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.
Physical Properties of P22 Alloy Steel
| Property | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm³ | 0.284 lb/in³ |
| Melting Range | 1340 – 1400 °C | 2450 – 2550 °F |
| Elastic Modulus (Tension) | 200 GPa | 29,000 ksi |
| Elastic Modulus (Torsion) | 80 GPa | 11,600 ksi |
| Poisson’s Ratio | 0.29 | — |
| Thermal Conductivity | 45 W/m·K | — |
| Specific Heat | 460 J/kg·K | — |
Heat Treatment of Alloy Steel P22
| Process | Details |
|---|---|
| Normalizing | 950–1000°C, air cooled to refine grain structure |
| Tempering | 650–700°C to achieve required mechanical properties |
| Stress Relieving | 675–725°C to reduce residual stresses |
| Annealing (Subcritical) | 720–760°C, slow furnace cool for machinability |
| Hot Working | 950–1150°C |
| Cold Working | Possible; stress relieving recommended afterward |
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.
International Standards & Equivalent Grades – P22 Alloy Steel
| Standard | Equivalent Grade |
|---|---|
| ASTM | ASTM A335 / A213 Grade P22 |
| ASME | ASME SA335 / SA213 P22 |
| UNS | K21590 |
| DIN | 10CrMo9-10 |
| Werkstoff Nr. | 1.7380 |
| BS | 620B |
| EN | EN 10216-2 |
| JIS | G3462 SCMV4 |
| GB (China) | 12Cr2Mo |
Products in Engineering Steel P22
Engineering Steel P22 is typically available in:
✔
Seamless Pipes
✔
Welded Pipes (ERW & EFW)
✔
Tubes (Capillary, U-Bend)
✔
Sheets & Plates
✔
Coils & Strips
✔
Round Bars, Flat Bars, Hex Bars, Square Bars
✔
Pipe Fittings (Elbows, Tees, Reducers, Caps, Stub Ends)
✔
Flanges (Weld Neck, Slip-On, Blind, Socket Weld, Threaded)
✔
Fasteners (Bolts, Nuts, Screws, Washers, Studs)
✔
Custom Fabricated Components
Engineering Steel P22 products are produced to the following global standards:
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:
Power Generation
Boiler tubes, superheater tubes, and reheater tubes in fossil-fuel power plants.
Petrochemical and Refinery
Heat exchangers, pressure vessels, and piping for high-temperature processes.
Oil & Gas Industry
Equipment exposed to elevated temperatures and pressures, including refinery piping and drilling tools.
WHY CHOOSE US?
P22 Alloy Steel Price in India
Typical Range: ₹200 – ₹400 per kg
(Price varies by OD, wall thickness, form, and finish)
Contact us for exact quotation based on size and quantity.
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.
blogs
EN31 Bearing Steel Guide 2025...
In 2025, as industries push for longer equipment life, higher wear resistance, and precision mo...
EN19 vs EN24 — Which High-Stre...
EN19 and EN24 are two of the most powerful and widely used alloy steels in modern engineering....
Top Industrial Applications of...
Engineering steels are the backbone of modern manufacturing, heavy machinery, automotive systems, cons...Contact Us
For inquiries or quotations for P22 steel products, contact Moksh Tubes & Fittings LLP — your reliable supplier for high-performance alloy steels.
Get in Touch