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NES 833 Part 2

NES 833 Part 2
NES 833 Part 2
Product Code : 02
Product Description

NES 833 Part 2

We specialize in manufacturing & supply of high precision NAB (Nickel Aluminum Bronze) fasteners in any sizes as per your specifications confirming to Naval Engineering Standards (NES).

The Nickel aluminum bronze material shall be as specified by you, like NES 833 Part 2, BS 2874 Gr, CA104 etc.

Some of the properties of the Alloy NES 833 Part 2 are detail below

Nickel Aluminum Bronze NES 833 Part 2

Nickel Aluminum Bronze NES 833 Part 2  is for  good ductility and impact strength. Its distinctive quality is it has a excellent corrosion resistance.

Chemical Composition NES 833 Part 2

Element

% by weight


Not Less than

Not More than

Aluminum (see Note 1)

8.5

10.0

Iron (see Note 2)

4.0

5.0

Nickel (see Note 2)

4.5

5.5

Manganese


0.50

Copper

Remainder

Impurities

Zinc


0.40

Lead


0.05

Tin


0.10

Silicon


0.10

Magnesium


0.05

Total Impurities


0.50

NOTE 1 - Aluminum to at least commercially pure 99.7% with maximum magnesium level of 0.05 % is to be used

NOTE 2 - Nickel content is to be greater than iron content.

Mechanical Properties

Typical mechanical properties of the alloy are

Grade

NES 833 Part 2

Tensile Strength (MPa)

680

Proof Stress 0.2% (MPa)

325

Elongation A5 (%)

17

Physical Properties


Density

7.5 gm / cm3

Electrical Resistivity

0.172 x 10-6 oms

Thermal Conductivity

42 W/m.k at 20oC

NES 833 Part 2 has high corrosion resistance; particularly in marine environments. It also has excellent resistance to cavitations erosion. It largely retains its strength and hardness upto 400o C. It is also resistant to high temperature scaling up to 1000oC.

The dimensional Accuracy & Tolerance of our fastener products are as per the relevant international standards.

Our fasteners are widely used by marine project industries like Ship Building, Pressure Vessels and Heat Exchanger manufacturers, Marine application valve manufacturers and so on.

  • Our fasteners are manufactured strictly as per the specified fastener material standard as well as fastener dimensional standard.
  • Our fastener products are put through suitable stress relief heat treatment process to get rid of all the undue stresses inculcated during manufacturing process.
  • The finished fasteners are thoroughly inspected for the surface defects like Cracks , Seams , Bursts , Folds , Laps , Voids etc .

We are one of the leading manufacturers of high precision NAB (Nickel Aluminum Bronze) fasteners in India.

 


GOVIND METAL CO.

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Contact Details
 
GOVIND METAL CO.
11, Shivaalik Industrial Park, Inside Zaveri Estate, Kathwada-Singarwa Road, Kathwada, Ahmedabad - 382430, Gujarat, India
Mr. Govind G. Shah (Director)

Mr. Mahesh G. Shah

govindmetal@yahoo.com   
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