Mehta Tubes Limited Chennai, Tamil Nadu

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Material Selection Process

We do not compromise upon the quality of our products; this is why we utilize high grade material to manufacture our range. Our team of procuring agents source raw material from reliable vendors of the country and carry out a material selection process.   Copper (SF-CU) C-106:
This is used in marine & industrial units, sanitary & heating application, medical gas pipelines etc.   In addition to round tubes and copper pipes, copper can also be offered in integrally finned and corrugated rope sections.
Good resistance to corrosion in fresh water.   Working temperature up to 250 degree Celsius and cooling water speed is 1.5 m/s.   Brass (CuZn30As) CZ-126
Brass in the form of brass pipes and tubes gives good service with clean mains, river and lake water here more expensive alloys are not warranted due to lack of server corrosion conditions.

Admiralty Brass (CuZn28SNI) Cz111: 
Will operate successfully in steam condensers and coolers for land stations where the river waters are brackish and conditions are slightly acidic or alkaline. It is also resistant to sulphur bearing gases. Cooling water speed is 2.0 m/s and temperature up to about 200 degree Celsius.

Aluminum Brass (CuZn20A1.2) Cz110:
Extensively used material and one of the most popular. This alloy forms a protective film which has self healing properties. This film is dependant on oxygen dissolved in the water and will not renew itself in polluted or stagnant water. High resistance to corrosion in clean seawater or where land conditions are difficult. Cooling water speed approx 2.5 m/s working temperature up to 250 degree Celsius.

Cupro Nickel Alloy (CuNi 10 FE 1 Mn) Cn102: 
Widely used in condensers, coolers and heat exchangers where corrosion resistance and erosion is paramount, yet maintaining a high thermal conductivity rate. To be used preferably in marine conditions. Forms a protective film which is multi layered in flowing sea water. Resist marine befouling. Cooling water speed is 2.5 m/s working temperature approx. 250 degree Celsius.

Cupro Nickel Alloy (CuNi 30 Mn 1 FE) Cn107
Improved corrosion resistance and almost insensitive to stress corrosion this alloy will give superior result in high velocity polluted water including sea water. A reduced thermal conductivity level but will retain its strength at moderately increased temperatures. Cooling water is speed up to 4.5 m/s.

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    Nishit Morakhia


    Mehta Tubes Limited

    Linghi Chetty Street, Chennai, Tamil Nadu, India

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