Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Delivery Time | According to the quantity |
| Packaging Details | Plywood case or Woven bag in bundle |
| Standard | ASTM A335; ASME SA335 |
| Material | P22; 2-1/4Cr |
| OD | 1/2" to 48'' or customized sizes |
| Length | Single Random, Double Random & Cut Length |
| Surface | Black painting; Oil surface and so on |
| END | Plain end; Beveled End |
| Brand Name | YUHONG |
| Model Number | ASTM A335 P22 Seamless Pipe |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Delivery Time | According to the quantity |
| Packaging Details | Plywood case or Woven bag in bundle | Standard | ASTM A335; ASME SA335 |
| Material | P22; 2-1/4Cr | OD | 1/2" to 48'' or customized sizes |
| Length | Single Random, Double Random & Cut Length | Surface | Black painting; Oil surface and so on |
| END | Plain end; Beveled End | Brand Name | YUHONG |
| Model Number | ASTM A335 P22 Seamless Pipe | Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China | ||
| High Light | astm a335 seamless alloy steel pipe ，asme sa335 seamless alloy steel pipe ，asme sa335 alloy steel boiler tube | ||
Overview:
P22 pipe, made from a specific type of alloy steel often referred to as ASTM A335 P22, is designed for high-temperature service and is commonly used in various industrial applications. This pipe is known for its excellent strength and creep resistance at elevated temperatures, making it ideal for power generation and petrochemical plants.
The composition of P22 includes chromium (2.25%) and molybdenum (1%), which enhance its hardness and thermal stability. The manufacturing process involves seamless production techniques, allowing for a strong and durable pipe without weld joints that could weaken the material.
P22 pipes typically have a nominal pipe size ranging from ½ inch to several inches in diameter, with wall thicknesses conforming to specific schedules. They are designed to handle high pressures and temperatures, improving their performance in steam lines and other demanding environments.
When it comes to mechanical properties, P22 pipes exhibit good tensile strength and excellent ductility. They can withstand temperatures up to approximately 1,050°F (assuming the application is within the appropriate parameters).
In terms of applications, P22 is widely used in boiler systems, heat exchangers, and superheaters, where reliability and integrity over time are critical. It is often coated or treated to resist corrosion, enhancing its lifespan in harsh environments.
Specification:
| Specification | ASTM A335 & Its equivalent ASME, DIN & EN Standard |
| Grades | P22, 2-1/4Cr |
| Type | Straight seamless pipe |
| Outer Diameter | 1/2'' to 48'' or custom size |
| Wall Thickness | SCH 5S to SCH XXS |
| Length | Upto 6 meters or custom cut lengths |
| Delivery Condition | Normalize and temper |
| Ends | Plain End, Beveled End |
| Other Testing | Product Analysis, Eddy Current Test, Hydrostatic Test, Ultrasonic Test, Flattening Test, Hardness Test, Tensile Test etc. |
| Dimension | All Pipe & Tube Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
| Packing | Plywood case/Woven bag in bundle |
Chemical Composition:
| Grade | C | Mn | P | S | Si | Cr | Mo |
| P22 | 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 1.90-2.60 | 0.87-1.13 |
Mechanical Properties:
| Grade | Tensile Strength min, ksi (MPa) | Yield Strength min, ksi (MPa) | Elongation in 2 in. or 50mm, min (%) | Tempering |
| P22 | 60(415) | 30(205) | 30 | 1250(675) |
1. Power Generation: Commonly used in steam generators and superheaters in power plants, particularly in fossil fuel and nuclear power plants.
2. Petrochemical Industry: Used in high-pressure and high-temperature environments, such as in refineries for transporting fluids and gases.
3. Boiler Systems: Ideal for boiler tubes and pressurized tubing due to their strength and heat resistance.
4. Heat Exchangers: Employed in systems where heat interchange is critical, ensuring efficient thermal conductivity.
5. Oil and Gas Industry: Utilized in various components of drilling and extraction systems, especially in high-temperature applications.
6. Chemical Processing: Suitable for processes involving corrosive environments due to their alloy composition.
7. Manufacturing Equipment: Used in the construction of machinery that operates under high thermal and pressure conditions.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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