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M. R. A. Metal Private Limited

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  1. Metal & Metal Products 5 Products available
  2. Iron & Metal Alloys 4 Products available
  3. Door Handles

    1 Products available
  4. Electrodes

    1 Products available
  5. Wires

    1 Products available
  6. Clutches

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  7. Others Products 1 Products available

Iron & Metal Alloys

Our offered Product range includes Calcium Aluminium Alloy, Nickel, Aluminium Die Casting Alloy, Tin Lead Alloy and Aluminium Alloy.

Calcium Aluminium Alloy

Aluminum is the third most abundant element of the Earths crust, behind that of oxygen and silicon. Of the metallic elements, it is the most abundant, 7.3% by mass of the total crust. Due to Aluminums high affinity to bind with oxygen, it is not found in naturally occurring in its elemental state, but only in combined forms such as oxides or silicates.
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Nickel

Nickel is known to have been discovered in 1751. As recently as a hundred years ago, it was still considered to be a worthless variety of copper. Miners in south-eastern Germany mistook a mixture of nickel and arsenic for copper. The name of the metal comes from the German word "Nickel" which was the name given to an evil spirit who was reputed to interfere with the work of miners.

Features:

Nickel is a hard, silvery-white metal, which is malleable and ductile. The metal can take on a high polish and it resists tarnishing in air. Nickel is ferromagnetic and is a fair conductor of heat and electricity. Most nickel compounds are blue or green.

It can have manybut its favored oxidation state is +2

like all transition metals it has high density,

has very high melting point (like most TM)

and can be used as a catalyst (as in the case of most TM)

Grade N1 N1U N2 N3 N4
Ni+Co, min (%) 99.93 99.95 99.8 98.6 97.6
Ni, min 99.83 99.85 99.65 97.9 96.9
Co, max 0.1 0.1 0.15 0.7 0.7
Cu, max 0.02 0.02 0.04 0.6 1
Fe, max 0.02 0.01 0.04 - -
S, max 0 0 0 0.03 0.04
Ca, max 0.01 0.01 0.02 0.1 0.15
Si, max 0 0 0 - -
Mg, max 0 0 - - -
P, max 0 0 - - -
Zn, max 0 0 0.01 - -
As, max 0 0 - - -
Cd, max 0 0 - - -
Sn, max 0 0 - - -
Sb, max 0 0 - - -
Pb, max 0 0 0,01 - -
Bi, max 0 0 - - -
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Aluminium Die Casting Alloy

Aluminum is the third most abundant element of the Earths crust, behind that of oxygen and silicon. Of the metallic elements, it is the most abundant, 7.3% by mass of the total crust. Due to Aluminums high affinity to bind with oxygen, it is not found in naturally occurring in its elemental state, but only in combined forms such as oxides or silicates.
Specifications:
Chemical Element Weight %
Si 10.7%
Cu 0.6%
Mn 0.35%

Features: 1 Highest operating temperatures
2. Outstanding corrosion resistance
3. Light-weight
4. Very good strength and hardness
5. Good stiffness and strength-to-weight ratio 6. Excellent EMI & RFI shielding properties7. Excellent thermal conductivity8. High electrical conductivity9. Good finishing characteristics10.Full recyclability
Applications:
MotorsRelaysHousehold applicationsElectronic and Communication DevicesTransformers
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Tin Lead Alloy

Lead alloys are used in a range of applications including:
Solder: lead solder is used extensively by the electronics industry
Terne plate:iron and steel can be protected against corrosion by coating the surface with a lead based alloy.
Brass and Bronze Products:lead had traditionally been used in bearings and bushings to reduce wear and friction in certain type of machinery.

Tin Lead Alloy
Iterm Other Impurities Within Specified Limits
Elements Specification(%)
Antimony (Sb) 0.01%
Arsenic (As) 0.00%
Bismath (Bi) 0.03%
Iron (Fe) 0.00%
Applications : For making Solder Alloy
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