Introduction to ASTM A335 P11
ASTM A335 P11 is a seamless ferritic alloy steel pipe widely used in high-temperature and high-pressure applications such as power plants, refineries, and petrochemical industries. Known for its excellent strength, thermal stability, and corrosion resistance, P11 alloy steel is ideal for transporting steam, oil, and gas in demanding environments. Its composition includes chromium and molybdenum, which enhance its mechanical properties and long-term performance under elevated temperatures.
ASTM A335 P11 is a type of seamless alloy steel pipe that is widely used in high-temperature applications, such as power generation, petrochemical, and refineries. This type of pipe is made from a combination of chromium and molybdenum, which gives it excellent resistance to high-temperature and high-pressure conditions. One of the key benefits of ASTM A335 P11 pipes is their ability to withstand high temperatures without deforming or breaking. They have a high creep strength, which means that they can maintain their shape and structural integrity even under prolonged exposure to high temperatures. This makes them an ideal choice for high-temperature applications where other materials may fail.
In addition, ASTM A335 P11 pipes have good corrosion resistance, which makes them suitable for use in harsh environments where corrosion and erosion are common. They are also easy to weld and fabricate, which makes them a popular choice for piping systems that require complex configurations and shapes.
ASTM A335 P11 pipes are available in a range of sizes and thicknesses, and they are classified according to their chemical composition and mechanical properties. The standard specifies various tests and inspections, such as hydrostatic testing, ultrasonic testing, and magnetic parti.
A335 P11 Alloy Steel Pipe Specifications
| Size | 1/2 to 36 Inch NB |
|---|---|
| Standard | ASTM A335 P11, SA335 P11 |
| Material Thickness | 3 To 12 mm |
| Schedules | SCH 40, SCH 160, SCH 80, SCH XXS, SCH XS, All Schedules |
| Tolerance |
Cold drawn pipe: +/-0.1mm
Cold rolled pipe: +/-0.05mm
|
| Type | ERW / Seamless / Welded / Fabricated |
| Craft | Cold rolled and Cold drawn |
| Length | Standard Double & In Cut length also. |
| pipe available in Form of | Round, Rectangular, Square, Hydraulic |
| End | Beveled End, Plain End, Treaded |
ASTM A335 P11 Material Composition
ASTM A335 P11 is a dense alloy steel with a composition designed for high durability. It has an adjustable strength of 415 MPa minimum and yield strength of 205 MPa minimum, ensuring reliability under extreme conditions. Its expansion percentage is approximately 30% for a steel of this grade. Ductility and high strength make the P11 alloy excellent for severe service in steam pipeline, boiler, and heat exchanger applications. These are the P11 material composition carbon, manganese, phosphorus, sulfur, silicon, chromium, and molybdenum.
| ASTM A335 P11 | Manganese | Molybdenum | Phosphorus | Carbon | Sulfur | Chromium | Silicon |
|---|---|---|---|---|---|---|---|
| 0.30 – 0.60 | 0.44 – 0.65 | 0.025 max | 0.05 – 0.15 | 0.025 max | 1.00 – 1.50 | 0.50 – 1.00 |
ASTM A335 P11 Material Equivalent & Alternative Grades
Various international standards provide comparable grades to ASTM A335 P11 material equivalent. These include DIN 13CrMo44 Germany, EN 1.7335 Europe, and JIS STBA22 Japan. While these grades have similar P11 chemical composition and mechanical properties, minor variations may exist based on regional manufacturing standards. If P11 is not available, you may choose ASTM A335 P22 Alloy Seamless Pipes or ASTM A335 P5 Seamless Pipe instead, depending on the temperature and pressure of your particular application.
ASTM/ASME A335 P11 Tolerance
| ASTM A450 | Hot rolled | Outside Diameter, mm | Tolerance, mm |
| Outer Diameter≤101.6 | +0.4/-0.8 | ||
| 101.6＜Outer Diameter≤190.5 | +0.4/-1.2 | ||
| 190.5＜Outer Diameter≤228.6 | +0.4/-1.6 | ||
| Cold Drawn | Outside Diameter, mm | Tolerance, mm | |
| Outer Diameter＜25.4 | ±0.10 | ||
| 25.4≤Outer Diameter≤38.1 | ±0.15 | ||
| 38.1＜Outer Diameter＜50.8 | ±0.20 | ||
| 50.8≤Outer Diameter＜63.5 | ±0.25 | ||
| 63.5≤Outer Diameter＜76.2 | ±0.30 | ||
| 76.2≤Outer Diameter≤101.6 | ±0.38 | ||
| 101.6＜Outer Diameter≤190.5 | +0.38/-0.64 | ||
| 190.5＜Outer Diameter≤228.6 | +0.38/-1.14 | ||
| ASTM A530 & ASTM A335 | NPS | Outside Diameter, inch | Tolerance, mm |
| 1/8≤Outer Diameter≤1-1/2 | ±0.40 | ||
| 1-1/2＜Outer Diameter≤4 | ±0.79 | ||
| 4＜Outer Diameter≤8 | +1.59/-0.79 | ||
| 8＜Outer Diameter≤12 | +2.38/-0.79 | ||
| Outer Diameter>12 | ±1% |
Alloy Steel SA 335 Gr P11 High Pressure Pipe Size Chart
| Outer Diameter * Thickness in MM | Outer Diameter * Thickness in MM | Outer Diameter * Thickness in MM |
|---|---|---|
| 38.1 * 3.2 | 57.0 * 4.9 | 76.2 * 4.0 |
| 38.1 * 4.0 | 57.0 * 6.3 | 76.2 * 5.0 |
| 38.1 * 6.3 | 57.0 * 7.9 | 76.2 * 6.3 |
| 42.4 * 3.2 | 60.3 * 3.2 | 82.5 * 4.5 |
| 42.4 * 4.0 | 60.3 * 3.6 | 88.9 * 3.2 |
| 44.5 * 3.2 | 60.3 * 5.0 | 88.9 * 3.6 |
| 44.5 * 6.3 | 63.5 * 3.2 | 88.9 * 4.0 |
| 48.3 * 3.2 | 63.5 * 3.6 | 101.6 * 3.6 |
| 48.3 * 3.6 | 63.5 * 4.0 | 101.6 * 4.5 |
| 50.8 * 4.5 | 63.5 * 6.3 | 101.6 * 6.3 |
| 51.0 * 3.2 | 63.5 * 7.9 | 114.3 * 3.6 |
| 51.0 * 3.6 | 70.0 * 3.2 | 114.3 * 5.0 |
| 51.0 * 6.3 | 70.0 * 3.6 | 139.7 * 4.0 |
| 57.0 * 3.2 | 70.0 * 6.3 | 139.7 * 5.0 |
| 57.0 * 3.6 | 76.2 * 3.6 | 139.7 * 6.3 |
SA335 gr P11 Round Pipe Weight Chart
| Size Nominal Pipe Size | Pipe Outer Diameter | Wall Thickness | Pipe Inner Diameter | Weight per Foot |
|---|---|---|---|---|
| 1/2 | 0.84 | 0.109 | 0.622 | 0.85 |
| 0.147 | 0.546 | 1.09 | ||
| 0.188 | 0.464 | 1.31 | ||
| 0.294 | 0.252 | 1.72 | ||
| 3/4 | 1.05 | 0.113 | 0.824 | 1.13 |
| 0.154 | 0.742 | 1.48 | ||
| 0.219 | 0.612 | 1.95 | ||
| 0.308 | 0.434 | 2.44 | ||
| 1 | 1.315 | 0.133 | 1.049 | 1.68 |
| 0.179 | 0.957 | 2.17 | ||
| 0.250 | 0.815 | 2.85 | ||
| 0.358 | 0.599 | 3.66 | ||
| 1 1/4 | 1.66 | 0.140 | 1.380 | 2.27 |
| 0.191 | 1.278 | 3.00 | ||
| 0.250 | 1.160 | 3.77 | ||
| 0.382 | 0.896 | 5.22 | ||
| 1 1/2 | 1.90 | 0.145 | 1.610 | 2.72 |
| 0.200 | 1.500 | 3.63 | ||
| 0.281 | 1.338 | 4.86 | ||
| 0.400 | 1.100 | 6.41 | ||
| 2 | 2.375 | 0.109 | 2.157 | 2.64 |
| 0.154 | 2.067 | 3.66 | ||
| 0.218 | 1.939 | 5.03 | ||
| 0.250 | 1.875 | 5.68 | ||
| 0.281 | 1.813 | 6.29 | ||
| 0.344 | 1.687 | 7.47 | ||
| 0.436 | 1.503 | 9.04 | ||
| 2 1/2 | 2.875 | 0.120 | 2.635 | 3.53 |
| 0.203 | 2.469 | 5.80 | ||
| 0.216 | 2.443 | 6.14 | ||
| 0.250 | 2.375 | 7.02 | ||
| 0.276 | 2.323 | 7.67 | ||
| 0.375 | 2.125 | 10.02 | ||
| 0.552 | 1.771 | 13.71 | ||
| 3 | 3.50 | 0.120 | 3.260 | 4.34 |
| 0.156 | 3.188 | 5.58 | ||
| 0.172 | 3.156 | 6.12 | ||
| 0.188 | 3.124 | 6.66 | ||
| 0.216 | 3.068 | 7.58 | ||
| 0.250 | 3.000 | 8.69 | ||
| 0.281 | 2.938 | 9.67 | ||
| 0.300 | 2.900 | 10.26 | ||
| 0.438 | 2.624 | 14.34 | ||
| 0.600 | 2.300 | 18.6 | ||
| 3 1/2 | 4.0 | 0.120 | 3.760 | 4.98 |
| 0.226 | 3.548 | 9.12 | ||
| 0.250 | 3.500 | 10.02 | ||
| 0.281 | 3.438 | 11.17 | ||
| 0.318 | 3.364 | 12.52 | ||
| 0.636 | 2..728 | 22.87 | ||
| 4 | 4.5 | 0.120 | 4.260 | 5.62 |
| 0.156 | 4.188 | 7.24 | ||
| 0.188 | 4.124 | 8.67 | ||
| 0.203 | 4.094 | 9.32 | ||
| 0.219 | 4.062 | 10.02 | ||
| 0.237 | 4.026 | 10.80 | ||
| 0.250 | 4.000 | 11.36 | ||
| 0.281 | 3.938 | 12.67 | ||
| 0.312 | 3.876 | 13.97 | ||
| 0.337 | 3.826 | 15.00 | ||
| 0.438 | 3.624 | 19.02 | ||
| 0.531 | 3.438 | 22.53 | ||
| 0.674 | 3.152 | 27.57 | ||
| 5 | 5.563 | 0.188 | 5.187 | 10.80 |
| 0.219 | 5.125 | 12.51 | ||
| 0.258 | 5.047 | 14.63 | ||
| 0.281 | 5.001 | 15.87 | ||
| 0.312 | 4.939 | 17.51 | ||
| 0.344 | 4.875 | 19.19 | ||
| 0.375 | 4.813 | 20.80 | ||
| 0.500 | 4.563 | 27.06 | ||
| 0.625 | 4.313 | 32.99 | ||
| 0.750 | 4.063 | 38.59 | ||
| 6 | 6.625 | 0.109 | 6.407 | 7.59 |
| 0.134 | 6.357 | 9.30 | ||
| 0.156 | 6.313 | 10.79 | ||
| 0.188 | 6.249 | 12.94 | ||
| 0.203 | 6.219 | 13.94 | ||
| 0.219 | 6.187 | 15.00 | ||
| 0.250 | 6.125 | 17.04 | ||
| 0.280 | 6.065 | 18.99 | ||
| 0.312 | 6.001 | 21.06 | ||
| 0.344 | 5.937 | 23.10 | ||
| 0.375 | 5.875 | 25.05 | ||
| 0.432 | 5.761 | 28.60 | ||
| 0.500 | 5.625 | 32.74 | ||
| 0.562 | 5.501 | 36.43 | ||
| 0.625 | 5.375 | 40.09 | ||
| 0.719 | 5.187 | 45.39 | ||
| 0.864 | 4.897 | 53.21 | ||
| 1.000 | 4.625 | 60.13 | ||
| 1.125 | 4.375 | 66.14 |
Manufacturing & Heat Treatment of ASTM A335 P11 Alloy Steel Pipes
P11 chemical composition alloy pipes are manufactured using seamless or welded processes to ensure its durability. Heat treatment is a crucial step in production, involving normalizing, annealing, and tempering to refine the grain structure and enhance mechanical properties. Normalizing around 900°C improves toughness, while tempering at lower temperatures enhances flexibility. This heat treatment, which is done with controlled precision, guarantees that the P11 material alloy performs well even when it is subjected to the kinds of high thermal and mechanical stresses that would make many other materials fail.
Applications of ASTM A335 P11 Pipes
Alloy pipes are found in many places. They are widely utilized in demanding applications requiring a combination of high temperature strength and good long term service durability. They can be seen in power plants for superheater and reheatertube applications, in the petrochemical sector for process piping, and in refineries for steam lines of various types. Their combination of high strength, high corrosion resistance, and good long-term performance makes them a preferred choice for lots of power and process piping applications.
- Power Generation:ASTM A335 P11 pipes are widely used in power generation plants for the construction of boiler tubes, superheater tubes, and reheater tubes. These pipes can withstand high temperatures and pressures, making them ideal for use in high-temperature steam and gas applications.
- Petrochemical Industry:ASTM A335 P11 pipes are commonly used in the petrochemical industry for various applications, including furnace tubes, heat exchangers, and piping systems. These pipes can withstand high temperatures and pressures and have good corrosion resistance, making them suitable for use in harsh environments.
- Refining Industry:ASTM A335 P11 pipes are used in the refining industry for various applications, such as process piping, heat exchangers, and furnace tubes. These pipes can withstand high temperatures and pressures, making them ideal for use in high-temperature refining processes.
- Oil and Gas Industry:ASTM A335 P11 pipes are used in the oil and gas industry for various applications, such as downhole tubing, well casings, and pipelines. These pipes can withstand high pressures and temperatures, making them suitable for use in harsh oil and gas production environments.
- Aerospace Industry:ASTM A335 P11 pipes are also used in the aerospace industry for various applications, such as engine components, exhaust systems, and hydraulic systems. These pipes can withstand high temperatures and have good corrosion resistance, making them suitable for use in harsh aerospace environments.
Testing & Quality Standards for P11 Alloy Pipes
For guaranteeing quality and reliability, in-depth research is conducted on ASTM A335 P11 alloy steel pipes. The P11 chemical composition is analyzed using spectroscopy and X-ray fluorescence (XRF). Spectro Analysis is a very high end way to do chemistry. It uses an inductively coupled plasma to get the elements in the sample to emit light. That light is then analyzed to determine what and how much of everything was in the sample. You get a very large number of spectra, which are then decoded by computers and very smart people to give you a high confidence answer to the question: What was in that sample?
Why Choose Amardeep Steel for P11 Alloy Pipes?
Amardeep Steel is a reliable provider of ASTM A335 P11 pipes, presenting top quality materials that satisfy all necessary standards. They have spent years building up a wealth of experience almost half a century in alloy steel production alone that has allowed them to fine tune the operation of their plant and keep a tight rein on quality. Consequently, the pipes they sell, if we may be permitted to make such an assertion, are a lot more likely to meet your needs in terms of quality, long service life, and all around durability than the pipes other suppliers sell.
We Supply ASTM A335 grade P11 in listed cities in India
Mumbai, Lucknow, Coimbatore, Imphal, Mysore, Ratlam, Delhi, Kanpur, Darjeeling, Jalandhar, Nagpur, Solapur, Kolkata, Allahabad, Dehradun, Jammu, Nashik, Srinagar, Chennai, Ahmedabad, Faridabad, Jamshedpur, Bhadravati, Chattisgarh, Durgapur, Asansol, Hospet, Bellary, Visakhapatnam, Nellore, Surat, Bangalore, Chandigarh, Ghaziabad, Jhansi, Patna, Siliguri, Hyderabad, Stainless Steel Pipe dealers in Salem, Amritsar, Noida, Kochi (Cochin), Mangalore, Indore, Vadodra, Bhubaneswar, Bikaner, Bhavnagar, Tirupur, Ankleshwar, Warangal, Agartala, Thoothukudi, Stainless Steel Pipe suppliers in Pune, Thiruvanthapuram, Jaipur, Aizawl, Guwahati, Kozhikode, Raipur, Vishakhapatnam, Jabalpur, Bhopal, Gwalior, Ludhiana, Rajahmundry, Thane, Agra, Bhubaneshwar, Gurgaon, Madurai, Rajkot, Varanasi, Bhilai, Haridwar, Meerut, Ranchi, Ahmednagar, Akola, Amravati, Aurangabad, Baramati, Beed, Bhandara, Bhiwandi, Buldhana, Chandrapur, Chimur, Dahanu, Dhule, Dindori, Erandol, Gadchiroli, Hatkanangle, Hingoli, Ichalkaranji, Jalgaon, Jalna, Karad, Khed, Yavatmal, Kolaba, Kolhapur, Kopargaon, Latur, Malegaon, Mumbai, Nagpur, Nanded, Nandurbar, Nashik, Osmanabad, Pandharpur, Parbhani, Rajapur, Ramtek, Ratnagiri, Raver, Sangli, Satara, Shirdi, Shirur, Solapur, Thane, Wardha, Washim, Andhra Pradesh, Jammu and Kashmir, Nagaland, Uttarakhand, Haryana, Lakshadweep, Arunachal Pradesh, Jharkhand, Odisha, West Bengal, Himachal Pradesh, Assam, Karnataka, Punjab, Andaman and Nicobar Islands, Puducherry, Bihar, Kerala, Rajasthan, Chandigarh, Meghalaya, Chhattisgarh, Madhya Pradesh, Sikkim, Dadar and Nagar Haveli, Mizoram, Goa, Maharashtra, Tamil Nadu, Daman and Diu, Tripura, Gujarat, Manipur, Telangana, Delhi, Uttar Pradesh in India.
We Export ASTM A335 grade P11 in listed Country
United States of America, Malaysia, UAE, Indonesia, Saudi Arabia, Iran, Qatar, India, China, United Kingdom, Singapore, Canada, Thailand, South Korea, Turkey, Philippines, Egypt, Germany, Italy, Japan, Russia, Vietnam, Australia, South Africa, Portugal, Morocco, Costa Rica, Kazakhstan, Netherlands, Mexico, Brazil, France, Spain, Taiwan, Nigeria, Bangladesh, Kuwait, Iraq, Ukraine, Poland, Jordan, Romania, Oman, Hong Kong, Venezuela, Colombia, Norway, Chile, Trinidad & Tobago, Greece, Czechia, Belgium, Sri Lanka, Cyprus, Angola, Myanmar (Burma), United Kingdom, Canada, South Korea, Thailand, Netherlands, Spain, Turkey, Australia, Mexico, Pakistan, Vietnam, Brazil, Philippines, France, Taiwan, Poland, South Africa, Russia, Nigeria, Kuwait, Czechia, Norway, Romania, Egypt, Oman, Sweden, Belgium, Hong Kong, Israel, Colombia, Switzerland, Denmark, Finland, Argentina, Venezuela, Peru, Ukraine, Chile, Bangladesh, Portugal, Ireland, Austria, Algeria, Greece, Iraq, New Zealand, Slovakia, Hungary, Kazakhstan, Slovenia, Lithuania, Serbia, Sri Lanka, Bahrain, Bulgaria, Morocco, Tunisia, Croatia, Jordan, Ecuador, Trinidad & Tobago, Estonia, Azerbaijan, Ghana, Lebanon, Cyprus, Dominican Republic, Latvia, Libya, Costa Rica, Cambodia, Macedonia (FYROM), Belarus, Jamaica, Palestine, Turkmenistan
FAQs
1. What is P11 material composition?
P11 material consists of Chromium, Molybdenum, and other strengthening elements, making it ideal for high temperature applications.
2. What is the equivalent of ASTM A335 P11?
Equivalent materials include DIN 13CrMo44, EN 1.7335, and JIS STBA22.
3. What is the difference between P11 and P22 pipes?
Alloy steel P22 Pipes & tubes has higher Chromium and Molybdenum content, offering better strength and oxidation resistance than P11.
4. How is P11 chemical composition tested?
The P11 chemical composition is verified using Spectro Analysis, X-ray Fluorescence (XRF), and Wet Chemical Testing.
