GNEE is a professional supplier of alloy steel pipes, exporting 35,000 tons of A335 alloy steel pipes every year. And strictly guarantee the quality. In the production process, ASTM A335 P9 alloy steel pipes usually adopt specific process flow, including electric arc furnace steelmaking, ladle refining, vacuum degassing, die casting, tube forging, heat treatment and other steps to ensure the quality and performance of the steel pipe.
ASTM A335 P9 steel pipe also has good oxidation resistance and sulfide corrosion resistance, suitable for various harsh working environments. This kind of steel pipe is widely used in high-temperature, high-pressure, flammable and explosive pipelines in petroleum refining units, especially direct heating pipes in heating furnaces, and the medium temperature can reach 550~600℃.
Products Data
Chemical Composition of ASTM A335 P9 Seamless Pipe
| C, % | Mn, % | P, % | S, % | Si, % | Cr, % | Mo, % |
| 0.015 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 4.00-6.00 | 0.45-0.65 |
Mechanical properties of ASTM A335 P9 alloy pipe
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
Product specifications: outer diameter 21.36~762mm, wall thickness: 2.0~130mm.
Production method: hot rolling, cold drawing, hot expansion. Delivery status: heat treatment.
Products display
ASTM A335 P9 Material Alloy Steel Seamless Pipe
Why Choose GNEE
GNEE has established an effective and complete quality control and assurance system. The company has also obtained ISO9001 quality system certification. The products are exported to the United States, Europe, India, Iran, Dubai, Vietnam, South America and other countries and regions. You are always welcome to visit our factory. We hope to establish a long-term cooperative relationship with you.
Please feel free to contact us for more information! sales@gneetube.com
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FAQ
Q: Do you have quality control system?
A: Yes, we have our own quality control laboratory.Third party testing servicesare also available.
Q: What services do you provide?
A: Customized service for each customer, please feel free to contact us!
Q.What is your lead time?
A. Regular stock is usually 10 days. Depends on the products.
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