E-Catalogue

HRSG Finned Tubes Manufacturer, Supplier & Exporter

HRSG Finned Tubes is a specialized heat transfer tube applied in heat recovery steam generator to boost up the thermal efficiency via widening the external surface area. These tubes help to efficiently recover heat from waste gas generated by Combined Cycle Power Plant (CCPP), Cogeneration, Refinery & industrial waste heat recovery. HRSG Finned Tubes could be Vertical HRSG tubes, Serrated HRSG ERW fin tubes or High-Frequency Spiral Finned Tubes to minimize the fuel consumption of the whole system and boost efficiency of the plant.

HRSG Finned Tubes – High-Efficiency Heat Recovery Solutions

In the contemporary scenario of power generation and industrial energy recovery processes, efficiency has become the overriding principle of designing an effective system. HRSG (Heat Recovery Steam Generator) systems are designed in order to recuperate wasted heat coming from the gas turbine and utilize it for steam generation. HRSG Finned Tubes are an integral component of these systems, providing an increased heat transfer surface area, which further enhances the heat exchange within these systems, and provide long-term reliability even in challenging environmental conditions.

We have designed and are supplying HRSG Tubes with high thermal performance, high corrosion resistance, and long service life. Finned tubes are widely applied in Combined Cycle Power Plants, Petrochemical plants, fertilizer plants, refineries, offshore platforms, as well as all types of industrial waste heat recovery processes globally.

With years of manufacturing experience and stringent quality control, we offer customized finned tube configurations as per operating temperature, pressure as well as heat recovery efficiencies.

What Are HRSG (Heat Recovery Steam Generator) Finned Tubes?

Heat Recovery Steam Generator (HRSG) Finned Tubes are Enhanced heat transfer tubes that incorporate external fins to increase the heat transfer surface area. Through an increased surface area, more thermal energy can be effectively transferred from hot exhaust gases into water or steam traveling through the inside of the tube.

HRSG finned tubes are essential in the operation of:

  •   Combined Cycle Power Plants (CCPP)
  •   Gas Turbine Exhaust Systems
  •   Waste Heat Recovery Units
  •   Cogeneration Plants
  •   Petrochemical processing plants
  •   Chemical processing plants
  •   Marine power systems
  •   Industrial boilers

Through enhanced heat transfer efficiency, HRSG finned tubes will enable operators to lower fuel usage, reduce emissions, and enhance steam production.

Table of Content



Key Features of Our HRSG Tubes


Our HRSG finned tube solutions are engineered to meet the demanding requirements of power generation and industrial heat recovery applications.

  •    High thermal efficiency
  •    Precision fin geometry
  •    Excellent corrosion resistance
  •    Superior weld integrity
  •    Optimized gas-side heat transfer
  •    High-temperature capability
  •    Low maintenance requirements
  •    Long service life
  •    Custom manufacturing options
  •    International quality compliance

Types of HRSG Finned Tubes We Manufacture


Vertical HRSG Tubes

Vertical HRSG Tubes are commonly used in modern vertical gas flow HRSG systems. Their design allows efficient drainage, improved steam generation, and reduced fouling compared to traditional horizontal configurations.

Benefits include:

  •   Enhanced natural circulation
  •   Improved heat recovery efficiency
  •   Reduced maintenance requirements
  •   Better condensate drainage
  •   Compact system design
  •   Increased operational reliability

Vertical configurations are especially preferred in utility-scale power generation facilities where space optimization and thermal efficiency are critical.

Serrated HRSG ERW Fin Tube

The Serrated HRSG ERW Fin Tube is designed with notched or segmented fins welded onto the base tube through Electric Resistance Welding (ERW).

Key advantages include:

  •   Higher turbulence generation
  •   Improved heat transfer coefficient
  •   Reduced boundary layer resistance
  •   Better performance at elevated temperatures
  •   Lower fouling tendency
  •   Enhanced gas-side heat transfer

These tubes are widely used in HRSG economizers, evaporators, superheaters, and waste heat recovery boilers.

High-Frequency Spiral Finned Tube

The High-frequency spiral finned tube is manufactured by continuously welding helical fins onto the tube surface using high-frequency resistance welding technology.

This process ensures:

  •   Strong metallurgical bond
  •   Excellent heat transfer efficiency
  •   Uniform fin attachment
  •   High mechanical strength
  •   Minimal thermal resistance
  •   Longer operating life

High-frequency welded spiral fin tubes are among the most efficient heat transfer solutions available for modern HRSG systems.

Materials Available for HRSG Finned Tubes


Material selection plays a critical role in HRSG performance and longevity. We manufacture finned tubes using a wide range of materials suitable for varying temperature and corrosion conditions.

Carbon Steel Grades


Alloy Steel Grades


Stainless Steel Grades


Nickel Alloy Grades

Technical Specifications of HRSG Finned Tubes

Parameter

Range

Tube OD

19 mm to 76.2 mm
Tube Length
Up to 25 Meters
Fin Height
5 mm to 25 mm
Fin Thickness
0.8 mm to 3 mm
Fin Pitch
Customized
Fin Type
Spiral, Serrated, Solid
Welding Method
High Frequency ERW
Operating Temperature
Up to 750°C
Operating Pressure
Customized

Chemical Composition of Typical HRSG Alloy Steel Tubes (ASTM A213 T22)


The chemical composition directly influences corrosion resistance, creep strength, and high-temperature performance.

Element Composition (%)
Carbon (C) 0.05 – 0.15
Manganese (Mn) 0.30 – 0.60
Silicon (Si) Maximum 0.50
Chromium (Cr) 1.90 – 2.60
Molybdenum (Mo) 0.87 – 1.13
Phosphorus (P) Maximum 0.025
Sulfur (S) Maximum 0.025

The chromium-molybdenum alloy content provides excellent oxidation resistance and creep strength at elevated temperatures commonly encountered in HRSG applications.

Mechanical Properties of HRSG Finned Tubes (Typical ASTM A213 T22)


Mechanical properties are crucial for ensuring long-term performance under high pressure and temperature conditions.

Property Value
Tensile Strength Minimum 415 MPa
Yield Strength Minimum 205 MPa
Elongation Minimum 30%
Hardness Maximum 163 HB
Modulus of Elasticity 205 GPa
Impact Resistance Excellent
Creep Resistance High

These properties make HRSG tubes suitable for continuous operation in severe thermal environments.

Physical Properties of HRSG Tubes


Physical characteristics influence heat transfer efficiency and thermal stability.

Property Value
Density 7.85 g/cm³
Thermal Conductivity 42 W/m·K
Melting Point 1425 – 1540°C
Specific Heat Capacity 460 J/kg·K
Electrical Resistivity 0.20 µΩ·m
Thermal Expansion 12.6 µm/m°C
Magnetic Properties Ferromagnetic

These physical properties contribute to excellent heat transfer performance and structural reliability in HRSG systems.

Applications of HRSG (Heat Recovery Steam Generator) Finned Tubes


Our HRSG finned tubes are widely utilized across numerous industries:

Power Generation

  •   Combined Cycle Power Plants
  •   Gas Turbine Plants
  •   Utility Power Stations

Oil & Gas

  •   Refineries
  •   LNG Facilities
  •   Offshore Platforms

Petrochemical Industry

  •   Process Heaters
  •   Waste Heat Boilers

Chemical Processing

  •   Heat Recovery Systems
  •   Steam Generation Units

Industrial Manufacturing

  •   Cement Plants
  •   Steel Plants
  •   Fertilizer Plants
  •   Pulp & Paper Mills

Manufacturing Process of High-Frequency Spiral Finned Tubes


HRSG Finned Tubes

Why Choose Us for HRSG Finned Tubes?


We are a reliable manufacturer and supplier of HRSG Finned Tubes with a core interest in providing our customers with engineered heat transfer solutions to enhance their operating efficiencies and lower their energy expenses.

Our Advantages

  •   Manufacturing Know-how
  •   High-Frequency Welding Technology
  •   Custom Engineering Design Service
  •   Global Supply Network
  •   Rigorous Quality Assurance System
  •   Competitive Pricing Structure
  •   Expedite Production Schedules
  •   Compliance with industry standards
  •   Technical Advisory Service

Our knowledge of the production of Vertical HRSG Tubes, Serrated HRSG ERW Fin Tubes, High-Frequency Spiral Finned Tubes gives us the competence to service all aspects of sophisticated heat recovery in the power generation industries and the industrial sector.