Стальная труба

Enameled Coating Tubes

    Thickness: 0.5mm - 15mm

    Outside Diameter: 8mm-325mm

    Length: Customized

    Capacity: 1000 Mt/month

    Material: 10#, 20#, 16Mn, A106(B,C), Q235, Q345 etc

1. The enamel tube has the characteristics of high temperature resistance, corrosion resistance, smoke resistance, and the service life is 3-5 times that of the ordinary air preheater. 
2. The enamel steel tube is manufactured with the enamel which is our own developed with scientific formula and is evenly coated on the surface of the steel tube by the auto enamel tube production line.
3. To use enamel tube as the heat exchanger parts will be anti-abrasion and anti-corrosion, the surface is smooth and low cost of maintenance. 
4. To adapt the different boiler burning type, different fuel and different fume ingredient, we developed the different enamel tube air preheaters to fit different medium.

Processing method: 

Raw Steel Coil - Slitting Into Request Width - High Frequency Straight Seam Welding (Hot Extrusion Process For Seamless) - Clearing burrs -

Cutting Request Length -Enameled Coating Process - Packing

Enameled Coating Tubes 
1. thickness: 0.5mm - 15mm
2. Outside Diameter: 8mm-325mm
3. Length: Customized
4. Capacity: 1000 Mt/month
5. Material: 10#, 20#, 16Mn, A106(B,C), Q235, Q345 etc


Shanghai Metal Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation.

In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

1)Shanghai Metal Standard



Air Pre-Heater, Economizer, Water-Cooled Wall 

1. Because the current boilers use the regenerative cycle, the steam turbine is used to extract the steam to heat the water. At this time, the economizer The function can no longer meet the energy saving requirements of the boiler, so the enamel tube air preheater must be installed.
2. Improve the fuel's ignition conditions, as well as some changes in the combustion process, to maximize fuel, saving fuel utilization. This is very substantial advantage.
3. When the air enters the furnace, because of the enamel tube air preheater, the theoretical combustion value is increased, and more importantly, the furnace radiation is enhanced and the heat transfer is enhanced to achieve energy saving of the boiler.
4. The task of the enamel tube can help air preheater upgrade the hot air, acting as a desiccant and porter of coal powder.

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