
Shandong Fengbao Metal Products Co., Ltd. is located in Liaocheng, Shandong, "Jiangbei Water City", backed by the largest steel center in northern China, adjacent to Qingdao Port, with unique production, sales and transportation conditions. Our company in Jiangsu, Shandong has a number of companies and many cooperative production factories, can provide customers with the best quality products and the best price, and can be delivered in the shortest time. The company has several years of foreign trade business experience, business personnel familiar with the export process of foreign trade products, support a variety of payment methods and trade methods, to meet customer requirements to the greatest extent. Our export sales products mainly include boiler tube, cold-drawn seamless pipe, galvanized pipe, precision seamless pipe and wear-resistant steel plate, pressure vessel plate, SPCC plate, etc. Our products have been exported to many regions in the world. Trust us, trust our products, trust our services.
Product Details
Alloy Steel Seamless Pipes as per ASTM A335 P22 are high-pressure and high-temperature pipes commonly used in the petrochemical, oil and gas, power generation, and other industrial sectors.
Properties of ASTM A335 P22 Pipes:
1. Chemical Composition: These pipes typically have a carbon content between 0.28% to 0.40%, with the remainder being composed of manganese, phosphorus, sulfur, silicon, chromium, molybdenum, nickel, and iron.
2. Mechanical Properties: They offer good mechanical strength and durability. The tensile strength ranges from 690 MPa to 790 MPa, and the yield strength is approximately 415 MPa.
3. Hardness: The hardness of these pipes can vary depending on heat treatment processes, but they generally have a Brinell hardness range of about 187 to 255.
4. Corrosion Resistance :Due to their alloy composition, these pipes exhibit good corrosion resistance in various environments, including acidic and chloride-containing conditions.
5. Heat Treatment: These pipes are usually heat treated for better mechanical properties and improved toughness, often through normalizing or quenching and tempering processes.
6. Applications: ASTM A335 P22 pipes are used in applications requiring high temperature resistance up to 550°C (1022°F) and are particularly suited for use in boilers, superheaters, and reheaters in power plants, as well as in petrochemical processing equipment.
Manufacturing Process:
These pipes are made by rolling steel billets into hollow tubes, which are then cold-drawn or hot-expanded to achieve the desired wall thickness and diameter. The seamless nature of these pipes ensures consistent internal diameters, which is crucial for high-pressure and high-temperature applications.
Quality Control:
ASTM A335 P22 pipes undergo rigorous quality control checks, including chemical analysis, mechanical testing, and non-destructive testing like ultrasonic or X-ray testing, to ensure compliance with the required specifications and standards.
Certification:
All pipes are certified according to international standards, such as ASME, API, PED, and others, ensuring their suitability for specific applications and meeting safety and performance requirements.
For more detailed information or specific product inquiries, it would be beneficial to consult with a reputable supplier or manufacturer of alloy steel pipes who can provide technical data sheets, certificates of conformity, and any additional information needed.
Item |
value |
Place of Origin |
China |
Application |
Fluid Pipe, Boiler Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Chemical Fertilizer Pipe, Structure Pipe, Other |
Alloy Or Not |
Alloy |
Section Shape |
Round |
Outer Diameter |
1/2--12''mm |
Special Pipe |
API Pipe, EMT Pipe, Thick Wall Pipe |
Thickness |
Sch20/40/80 |
Standard |
GB |
Certificate |
API, ce, BIS, JIS, GS, ISO9001 |
Grade |
Alloy steel |
Surface Treatment |
Hot Rolled |
Tolerance |
±1% |
Processing Service |
Welding, Punching, Cutting, Bending, Decoiling |
Oiled or Non-oiled |
Non-oiled |
Delivery Time |
22-30 days |
Secondary Or Not |
Non-secondary |
Surface Treatment |
Black Paint, 3PP, 3PE,Epoxy Coating,etc |
Length Range |
3-12m or to order |
Payment term |
30% TT advance |
Hydrostatic Test |
To order |
End Type |
Plain End or Bevel End |
Third Party Inspection |
Available (Like SGS, BV,etc) |
Application
ASTM A335 P22 pipes are used in applications requiring high temperature resistance up to 550°C (1022°F) and are particularly suited for use in boilers, superheaters, and reheaters in power plants, as well as in petrochemical processing equipment.
Certification
Our products meet the standards of China's national and international testing institutions for production, product quality assurance.
Packing & Delivery
Our products are customized in strict accordance with customer requirements and have standard export packaging.
Contact Information
FAQ
1.Who are we?
Our company is located in Liaocheng, Shandong Province, China, is the largest steel distribution center in northern China, adjacent to Qingdao Port, surrounded by Shougang, Angang, Jinan Iron and Steel, Wuyang and many other steel mills, with unique production, transportation and sales conditions.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
Carbon steel seamless pipe,galvanized steel pipe,precision seamless pipe,oil and gas pipeline;wear resistant steel plate,galvanized steel plate,low carbon alloy plate ,tinplate and so on.
4. Why should you buy from us not from other suppliers?
Our team has more than 20 years experience of hardware parts manufacturing and designing, good knowledge and resource of supply chain management, support customers with high quality products, best solutions and efficient communications.
5. What services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,Express Delivery;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C,Credit Card;
Language Spoken:English,Chinese
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Main Product:
seamless carbon steel pipe,
carbon steel plate,
carbon steel boiler tube,
API5L Pipeline ,
hot rolled seamless steel pipe,
alloy pipes