Product Details

ASTM A335 SA335 P1 Cold Drawn Seamless Ferritic Alloy Steel Pipe For High Temperature Service
Material and Specification
ASTM A335 SA335 P1 is a cold-drawn seamless ferritic alloy steel pipe designed for high-temperature service. It is commonly used in industries such as oil and gas, power generation, and petrochemicals. The material is manufactured according to the ASTM A335/ASME SA335 standard, which specifies the requirements for seamless ferritic alloy steel pipe suitable for high-temperature service.
Key Features
- Seamless: The P1 pipe is produced using a seamless manufacturing process, ensuring a smooth and uniform surface finish. This feature eliminates the risk of weak points or leaks that can occur in welded pipes.
- Ferritic Alloy Steel: The P1 pipe is made of ferritic alloy steel, which provides excellent strength, toughness, and resistance to high-temperature environments. This makes it suitable for applications where elevated temperatures and pressure are present.
- Cold Drawn: The P1 pipe is cold drawn, which enhances its dimensional accuracy and surface finish. This process also improves the mechanical properties of the pipe, making it more durable and reliable.
Chemical Composition
The chemical composition of ASTM A335 SA335 P1 is as follows:
Element | Composition Range (%) |
Carbon (C) | 0.10 - 0.20 |
Manganese (Mn) | 0.30 - 0.80 |
Phosphorus (P) | 0.025 (max) |
Sulfur (S) | 0.025 (max) |
Silicon (Si) | 0.10 - 0.50 |
Chromium (Cr) | 0.44 - 0.65 |
Molybdenum (Mo) | 0.44 - 0.65 |
Mechanical Properties
The mechanical properties of ASTM A335 SA335 P1 are as follows:
Property | Value |
Tensile Strength | 415 MPa (min) |
Yield Strength | 205 MPa (min) |
Elongation | 30% (min) |
Hardness (HB) | 163 (max) |
Steel Grade
ASTM A335 SA335 P1 is classified as a low alloy steel grade. It is commonly used in high-temperature applications due to its excellent strength and resistance to thermal stress.
Application
The ASTM A335 SA335 P1 pipe is widely used in various industries for high-temperature service. Some common applications include:
- Power plant piping systems
- Boiler tubes
- Heat exchangers
- Refinery piping
- Petrochemical plants
Possible Alternative Grades
While ASTM A335 SA335 P1 is a popular choice for high-temperature applications, there are alternative grades available that may be suitable for specific requirements. Some possible alternative grades include:
- ASTM A335 SA335 P5: This grade offers higher levels of chromium and molybdenum, providing increased strength and corrosion resistance.
- ASTM A335 SA335 P9: With higher levels of chromium and molybdenum, this grade offers improved creep resistance and high-temperature strength.
- ASTM A335 SA335 P11: This grade has enhanced creep resistance and is suitable for applications requiring higher operating temperatures.
- ASTM A335 SA335 P22: With increased levels of chromium and molybdenum, this grade offers excellent resistance to corrosion and oxidation at elevated temperatures.
When selecting an alternative grade, it is important to consider the specific requirements of the application and consult with industry experts or the relevant standards for guidance.






Haiyan Sanxin Steel Pipe Factory is a leading manufacturer of steel pipes in China. Located in a region with excellent geographical advantages, the factory is situated close to the Zhoushan Port and Ningbo Port.
Our factory covers an area of more than 25,000 square meters and has been in the steel pipe manufacturing business for 20 years. Over this period, we have accumulated a wealth of professional experience, which has helped us establish ourselves as a trusted name in the industry.
At our factory, we specialize in the production of various types of steel pipes, including stainless steel pipe, carbon steel pipe, copper pipe, steel pipe,seamless steel pipe and welded pipe. Our expertise in this field is evident from the 12 patents that we hold, which demonstrate our commitment to innovation and excellence.




Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples? is it free or extra ?
A: Yes, we could offer the sample for free charge but need pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact with me.
Company Profile
Who We are ?
TORICH is an enterprise that has been producing precision steel
pipes and steel pipe processing for over 20 years, with a factory
area of approximately 20000 square meters
The main products produced are carbon steel and alloy steel grade
seamless steel pipes, welded precision steel pipes, DOM steel
pipes, seamless and welded stainless steel pipes。And our separate workshop also produce machined cast iron parts and cast steel
parts, as well ad customized precision parts and difficult
precision parts. Our strength is with in our ability to produce
metal parts of higher quality control in an integrated process, from mapping and mould design, to casting, forging, machining, heat treatment, surface treatment, assembly
and testing.
TORICH team is familiar with the quality requirements and process standards of
precision partssteel tubes of leading industrial companies at home and abroad,and management level, and constantly looks for like-minded excellent
suppliers, which enable us to reduce the have a comparative advantage over many of our competitors.
In the field of processing, TORICH has 18 sets 4-axis/3-axis CNC machines and over 30 sets of
CNC lathers. The machining center is capable of machining
1100x600x800mm parts and the CNC lathes are capable of processing
550x1500mm parts. We specialize in machining stainless steel, alloy
steel and other hard metals, as well as carbon steel, aluminium,
and copper, with a dimensional accuracy of 0.01mm.
As of 2023, TORICH has perfectly cooperated with more than 50
countries, including Russia, India, Australia, the United Kingdom, France, the United States,
Canada, Brazil, and Egypt. Quality and reputation are always our
first concerns, with the aim of well serving every customer who
trusts in us. TORICH looks forward to partnering with customers all
over the world.
What products we do?
------- Invent and produce various Precision Steel Pipes
Our steel pipes cover the following ranges:
Seamless Precision Steel Pipes
Welded Precision Steel Pipes, with DOM production
Seamless Heat Exchanger Steel Pipe
Seamless Boiler Steel Pipes
Seamless Structural Steel Pipes
Seamless Mechanical Steel Pipes
Seamless Alloy Steel Tubes & Pipes
Seamless Stainless Steel tubes
Welded Stainless Steel Tubes
Seamless Stainless Steel Tubes & Pipes
Welded Stainless Steel Tubes & Pipes
Seamless Carbon Steel Tubes & Pipes
Nickel Alloy Steel Tubes & Pipes
CNC Stainless Steel Parts
CNC Aluminum Parts
CNC CopperParts
CNC Turning Parts
CNC Milling Parts
Products Application:
Oil Cylinders
Air Cylinder,
Automotive Cylinder Liners
Boilers, Pressure Vessels
Shell & Heat Exchangers
Jack Lifting
Telescopic Systems
Pneumatic Cylinders
Agricultural Machineries