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Thursday, April 30, 2009

Aluminium Weldings & Aluminium Solderings


NAME: Aluminum (as Al), Welding Fumes

IMIS: A102

GAS: 7429-90-5

DESCRIPTION:Aluminum is an indispensable metal to modern manufacturing. Its low density and corrosion resistance make it the preferred metal for many manufactured products, from spacecraft components to beverage cans. The U.S. is the world's largest consumer of aluminum.

Metal arc welding on AluminiumChallenge exposure to Aluminium welding with flux-coated electrodes, as well as with electrodes without flux, elicited marked asthmatic reactions. Manual metal Arc welding on mild steel did not cause significant bronchial response. The results of inhalation challenges combined with exposure assessments provided evidence that aluminium.

Melting points

L

W

H

Aluminium
(Kgs)

Weight
(Kgs)

Select for quotation

660 .32.C

105

105

36

25

1.5

597.23.C

130

130

25

20

1.0




Pure Aluminum, a silvery-white metal, possesses many desirable . It is light, it is nonmagnetic and nonsparking, stands second among metals in the scale of malleability, and Melting in ductility. The aluminium temparature starts points is 200 to 1600 degrees and weight persentages is 0 to 100 degrees we will follow in below graph.



Arc welding fumes have previously not been protected by a permissible exposure limit, OSHA is establishing a PEL of 5 mg/m3 TWA for these fumes, (measured in the breathing zone of the welder; the details of the appropriate positioning of the sampler should be determined on the basis of guidance in the Field Operations Manual. This is consistent with a past OSH Review Commission decision. The Agency concludes that this limit will protect welders and other workers in the vicinity of the welding from experiencing the significant irritation potentially associated with inhalation of these fumes; OSHA finds the respiratory irritation caused by exposure to these fumes.


Aluminium Properties

  • Welding Aluminium with DC and Metal Transfer Mode.
  • Aluminium Alloy Classification and common defects.
  • Power source of Aluminium and shielding gas selection.
  • Identify common defects found in Aluminium welds.
  • Appropriate metal transfer modes for welding Aluminium.

Advantages

  • Classify Common elements according to their weldability.
  • Pore Formation in weld metal in submerged arc welding.
  • Optimization of parameters of gas sparing using algorithm.
  • Evaluation of welding condition on the probability metal.
  • Effect on the factors of welds with ultra low carbon.

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