Yuhong Group Co.,Ltd
| Payment Terms | T/T,L/C |
| Supply Ability | 500 tons per month |
| Delivery Time | Depends on quantity |
| Packaging Details | Ply-wooden Case / Iron Case / Woven Case |
| Brand Name | YUHONG |
| Model Number | GOST 550-2020 15Cr5Mo, ASTM A335 P9, ASTM A335 P11, ASTM A335 P22, ASTM A335 P91 |
| Certification | ISO9001-2015, ABS, BV, DNV, GL, LR, SGS, IEI |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 500 tons per month |
| Delivery Time | Depends on quantity | Packaging Details | Ply-wooden Case / Iron Case / Woven Case |
| Brand Name | YUHONG | Model Number | GOST 550-2020 15Cr5Mo, ASTM A335 P9, ASTM A335 P11, ASTM A335 P22, ASTM A335 P91 |
| Certification | ISO9001-2015, ABS, BV, DNV, GL, LR, SGS, IEI | Place of Origin | China |
| High Light | ASTM A335 P5 alloy steel pipe ，UNS K41545 seamless pipe ，15Х5М high-temperature steel pipe | ||
ASTM A335 P5 / UNS K41545 / 15Х5М Seamless Alloy Steel Pipe for High-Temperature Service
This product is ASTM A335 P5 Seamless Alloy Steel Pipe, a seamless ferritic alloy-steel pipe specifically engineered for high-temperature service. It conforms to the Standard Specification for Seamless Ferritic Alloy-Steel Pipe for High-Temperature Service (ASTM A335/A335M).
Pipes manufactured to this standard are designed to be suitable for bending, flanging, forming operations, and fusion welding. The ASTM A335/A335M standard covers several grades of ferritic (low and intermediate-alloy) steels containing up to and including 10% chromium. The specification is internationally recognized, with the latest version published in 2024.
Standard: ASTM A335/A335M
Grade: P5
UNS Designation: K41545
Russian Analog: GOST 550-2020 15Cr5Mo
Manufacturing Process: Seamless
ASTM A335 P5 pipe is a chromium-molybdenum (Cr-Mo) alloy steel. Its primary alloying elements provide a balance of high-temperature strength, resistance to oxidation (scaling), and improved corrosion resistance compared to carbon steels.
This material is defined as a ferritic steel, which provides good structural stability under prolonged exposure to high heat. It is a preferred choice for pressure-containing parts in elevated temperature environments due to its creep strength—the ability to resist deformation under stress at high temperatures over long periods.
The following tables summarize the key technical specifications for ASTM A335 Grade P5 (UNS K41545).
Chemical Composition (Weight %)
| C | Mn | P | S | Si | Cr | Mo |
| 0.15 max | 0.30 – 0.60 | 0.025 | 0.025 | 0.50 max | 4.00 – 6.00 | 0.45 – 0.65 |
Room Temperature Mechanical Properties
| Property | Requirement |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation (in longitudinal direction, for wall thickness ≥ 8 mm) | ≥ 30% |
ASTM A335 P5 seamless pipes are critical components in industries where equipment operates under high pressure and temperature. Their main application is in the construction of power generation and process industry piping systems.
Power Generation: High-pressure boiler systems, including superheaters and reheaters, where steam temperatures can reach 450°C to 650°C.
Petrochemical Industry: Refinery piping, heater tubes, and transfer lines for processing hydrocarbons at elevated temperatures.
Oil & Gas: Pipelines and components in services requiring resistance to high-temperature corrosion.
General High-Temperature Service: Any piping system requiring reliable performance in a sustained high-temperature environment.
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 Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou... Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
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