Our ASTM A335 P11 Serrated Finned Tubes are designed for high-efficiency heat transfer in demanding furnace applications. Manufactured from ASTM A335 P11 alloy steel, these tubes combine exceptional durability, thermal conductivity, and resistance to high temperatures, making them ideal for industrial heating systems.

Material and Composition

Base Material: ASTM A335 P11 alloy steel, known for its high strength and resistance to oxidation and corrosion at elevated temperatures.
Fin Material: High-quality carbon steel, serrated for enhanced heat transfer efficiency.

Chemical Composition (%):

Element	Carbon (C)	Manganese (Mn)	Silicon (Si)	Chromium (Cr)	Molybdenum (Mo)
Content	0.05-0.15	0.30-0.60	0.50-1.00	1.00-1.50	0.44-0.65

Mechanical Properties

Our serrated finned tubes exhibit superior mechanical properties, ensuring reliability in high-stress environments.

Mechanical Properties:

Property	Value
Tensile Strength	≥415 MPa
Yield Strength	≥205 MPa
Elongation	≥30%
Hardness	≤197 HB

Manufacturing Process

High-Frequency Welding (HFW): Ensures a strong, durable bond between the fins and the base tube, minimizing thermal resistance and maximizing heat transfer efficiency.
Serrated Fin Design: Increases surface area and turbulence, enhancing heat transfer performance.
Precision Machining: Fins are uniformly spaced and securely welded for optimal performance.
Surface Treatment: Tubes are cleaned and treated to prevent oxidation and extend service life.

Applications

Our ASTM A335 P11 serrated finned tubes are widely used in:

Industrial furnaces
Heat recovery systems
Boilers and heat exchangers
Petrochemical and power generation industries

Key Advantages

High Efficiency: Serrated fins maximize heat transfer efficiency, reducing energy consumption.
Durability: ASTM A335 P11 alloy steel ensures resistance to high temperatures and corrosion.
Customizable: Available in various sizes, fin configurations, and lengths to meet specific requirements.
Cost-Effective: Optimized design lowers operational costs and extends equipment lifespan.

About Yuhong Holding Group Co., Ltd

With over 20 years of experience, Yuhong Holding Group Co., Ltd is a leading manufacturer and exporter of finned tubes, serving more than 80 countries worldwide. As one of the top five finned tube exporters in China, we pride ourselves on delivering high-quality products and exceptional service. Our state-of-the-art facility spans 20,000 square meters, equipped with 50+ production lines and staffed by 110+ skilled professionals. We are committed to innovation, quality, and customer satisfaction, ensuring that our products meet the highest industry standards.

For more information, visit our website: www.steelfintube.com.

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