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MIL-R-17131C
AMERICAN WELDING SOCIETY (AWS)
A3. O - Welding Terms and Definitions.
(Application for copies should be addressed to the American Welding
Society, Inc., 2501 N.W. 7th Street, Miami, FL 33125.)
DEPARTMENT OF LABOR
Code of Federal Regulations, Title 29
Part 1910 - Occupational Safety and Health Standards.
(Application for copies should be addressed to the Superintendent
of Documents, U.S. Government Printing Office, Washington, DC 20402.)
UNIFORM CLASSIFICATION COMMITTEE AGENT
Uniform Freight Classification Ratings, Rules and Regulations,
(Application for copies should be addressed to the Uniform Classi-
fication Committee Agent, Tariff Publication Officer, Room 1106, 222 South
Riverside Plaza, Chicago, IL 60606.)
(Technical society and technical association specifications and
standards are generally available for reference from libraries,  They are
also distributed among technical groups and using Federal agencies.)
REQUIREMENTS
39
3.1  Definitions.  For the purpose of this specification, the welding
terms and definitions contained in AWS A3.0 shall apply
3.2" Materials, Mater ials shall be such as to produce rods and
powders conforming to the requirements of this specification.
3.2.1  Contamination.  The contractor shall maintain process control
procedures in order to prevent contamination of the surfacing filler
metals, especially by the sources specified in 3.2.1.1 through 3.2.1.4.
3.2.1.1  Marking material. Marking material containing halogens,
antimony, arsenic, bismuth, copper, lead, phosphorus, sulfur, tin, or zinc
in excess of 250 parts per million (p/m) each, shall not be used for
identification.
Paints shall not be used.
3.2.1.2 Lubricants. Lubricants used in machining, grinding or other
cold processing," marking materials used for in-process identification,
and other possible contaminants such as sulfur, lead, or iron from grinding
wheels, shall be removed pr ior to any heat treatment, hot forming or
welding.
3.2.1.3 supplies. Supplies which come into contact with the
.surfacing filler metals during processing shall not contain any element
.
Which under processing operations could adversely affect the properties
of the material.
3.2.1.4  Mercury,  During the manufacturing process, examination
and tests, the surfacing filler metals shall not have come in direct
contact with mercury or any of" its compounds nor with any mercury
containing devvice employing a single boundary of containment.
3

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