| Product Name: | Alloy Steel | Standard: | ASTM A335 / ASME SA335 |
|---|---|---|---|
| Material: | P5， P9， P11， P12， P21， P22 ， P91 | O.D.: | 1/8′ To 24 ‘ |
| Schedule: | Sch.10 To Sch.XXS | Length: | Single Random， Double Random & Cut Length |
| Type: | Seamless | End: | Plain End， Beveled End |
| Application: | Power Generation Plants， Oil And Gas Industry，Chemical Processing，etc. | ||
| High Light: | P22 Alloy Steel， 2.25Cr-1Mo Steel Pipe， Corrosion Resistance Alloy Steel Seamless Tubes | ||
ASTM A335 / ASME SA335 P22 Alloy Steel 2.25Cr-1Mo Steel Pipe
ASTM A335 P22 is a type of alloy steel pipe that is designed for high-temperature and high-pressure applications. It is made from a combination of chromium， molybdenum， and other elements， which gives it excellent corrosion resistance and high-temperature strength. Here are some key features and properties of A335 P22 pipes:
- High-temperature strength: A335 P22 pipes can withstand high temperatures up to 600°C (1112°F) without losing their strength and performance.
- Corrosion resistance: A335 P22 pipes are highly resistant to corrosion， making them ideal for use in harsh environments.
- Ductility: A335 P22 pipes have good ductility， which allows them to be easily formed and welded.
- Versatility: A335 P22 pipes can be used in a variety of applications that require high-temperature and high-pressure resistance， such as power generation plants， oil and gas refineries， chemical processing plants， and aerospace industry.
- Availability: A335 P22 pipes are widely available in different sizes， wall thicknesses， and lengths to suit various applications.
ASTM A335 P22 Pipe Specification
| Standard | ASTM A335 P22， SA335 P22 |
| Size | 1/2"- 24" |
| Schedules | sch.10 to sch.XXS |
| Type | Seamless / ERW / Welded / Fabricated |
| Length | Single Random， Double Random & Cut Length |
| A335 P22 Pipe End | Plain End， Beveled End， Treaded |
| Usage | Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service |
Alloy Steel Pipe Chemical composition(%)
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| P22 | 0.05-0.16 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 |
| P5 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 |
| P9 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | 0.02-0.50 | 8.00-9.50 | 0.85-1.05 |
| P92 | 0.07-0.13 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | ≤0.50 | 8.50-9.50 | 0.30-0.60 |
Alloy Steel Pipe Mechanical properties
| Grade | Tensile strength | Yield strength | Elongation |
| P11， P22， P5， P9 | ≥415 | ≥205 | ≥30/20 |
| P91 | ≥585 | ≥415 | ≥20 |
| P92 | ≥620 | ≥440 | ≥20 |
A335 P22 pipe specification are many and all of these can be found right here at our website. A335 P22 pipes are sort of chrome moly pipes and these pipes have been listed in ASTM A335. A335 P22 pipes are seamless ferritic alloy steel pipes. The Heat Treatment requirements for A335 P22 pipes are full or isothermal anneal and for subcritical annealing or tempering， the temperature range is 675 degrees Celsius (1250 degrees Fahrenheit.) Mechanical properties of A335 P22 pipes are that they have a minimal Elongation Percentage of 30/20. Their minimum Yield Strength is 205 Mpa and the minimum Tensile Strength is 415 Mpa.
Applications
P22 is suitable for high temperature environments including those found in the following industries
- Pharmaceutical equipment
- Chemical equipment
- Sea water equipment
- Heat exchangers
- Condensers
- Pulp and paper industry
- Off-shore oil drilling companies
Power generation
Petrochemicals
Gas processing
- Specialty chemicals
