Product ID:ALCOA WELDING WIRE, 4145
MSDS Date:05/01/1985
FSC:3439
NIIN:00F008151
MSDS Number: BGTSL

ALUMINUM COMPANY OF AMERICA

1501 ALCOA BUILDING
PITTSBURGH, PA 15219

Emergency Phone: (616) 941-4111

Info Phone: (616) 941-4111

Cage: ALUMI

ALUMINUM COMPANY OF AMERICA

472 PITTSBURGH, PA 15219 US

Telephone: 412-553-4001

Cage: ALUMI

ALUMINUM (SARA III)

CAS: 7429-90-5

RTECS: BD0330000

Fraction By Weight: 83.0%

OSHA PEL 15MG/M3 DUST/5 FUME

ACGIH TLV: 10MG/M3 DUST; 9192

COPPER (SARA III)

CAS: 7440-50-8

RTECS: GL5325000

Fraction By Weight: 3.3-4.7%

OSHA PEL 0.1MG/M3 FUME/1 DUST

ACGIH TLV: 0.2MG/M3 FUME; 9192

EPA Report Quantity: 5000 LBS

DOT Report Quantity: 5000 LBS

SILICON

CAS: 7440-21-3

RTECS: VW0400000

Fraction By Weight: 9-10.7%

OSHA PEL 15 MG/M3 TDUST

ACGIH TLV: 10 MG/M3 TDUST; 9293

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: CAN RESULT IN MUCOUS
MEMBRANE IRRITATION, AS WELL, AS PULMONARY CHANGES, INCLUDING
IRRITATION, CONGESTION, & EDEMA. PULMONARY EFFECTS (EDEMA) CAN BE
DELAYED IN ONSET. EXPOSURE TO WELDING F UMES CAN CAUSE IRRITATION
OF THE EYES/RESP SYSTEM. CAN CAUSE ALSO CAUSE FLASH BURNS TO THE
EYES & SKIN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INHALATION: IN MUCOUS MEMBRANE IRRITATION, AS
WELL AS PULMONRY CHANGES, INCLUDING IRRITATION/CONGESTION/EDEMA.
PULMONARY EFFECTS (EDEMA) CAN BE DELAYED IN ONSET. EXPOSURE TO
WELDING FUMES CAN CAUSE IR RITATION OF THE EYES & RESPIRATORY
SYSTEM. ULTRAVIOLET RADIATION CAN ALSO CAUSE BURNS TO THE EYES &
SKIN.

First Aid:INHALATION: IF PULMONARY SYMPTOMS DEVELOP FROM INHALATION,
CONSULT A PHYSICIAN AT ONCE. IF NECESSARY, GIVE ARTIFICIAL
RESPIRATION. EYES/SKIN: IF IRRITATION OR FLASH BURNS DEVELOP
SUBSEQUENT TO EXPOSUR E, CONSULT A PHYSICIAN.

Extinguishing Media:PRODUCT IS NONFLAMMABLE.
Unusual Fire/Explosion Hazard:NOT AN EXPLOSION HAZARD.

Handling and Storage Precautions:ALUMINUM IS WELDED IN A PROTECTIVE,
INERT ATMOSPHERE SUCH AS ARGON OR HELIUM USING THE MIG OR TIG
PROCESS.
Other Precautions:CONTROLLING THE TOTAL WELDING FUME TO 5 MG/CUM WILL
PROTECT AGAINST OVEREXPOSURE TO MOST ALLOY CONTITUENTS, EXCEPT FOR
POSSIBLE COPPER FUME OVEREXPOSURE WITH ALLOY 4145.

Respiratory Protection:WHERE TLV MAY BE EXCEEDED, USE NIOSH APPROVED
RESPIRATORY PROTECTION. THE SELECTION OF THE APPROPRIATE RESPIRATOR
FUME SHOULD BE BASED ON THE ACTUAL OR POTENTIAL AIRBORNE
CONTAMINANTS & THEIR CONCENTR ATIONS PRESENTS.
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION TO KEEP Protective Gloves:WELDER'S HELMET
Eye Protection:FACESHIELD, FILTER LENS
Other Protective Equipment:TO PREVENT EYE IRRITATION OR FLASH BURNS.
Work Hygienic Practices:TAKE NECESSARY PRECAUTIONS TO PROTECT SKIN FROM
DIRECT AND REFLECTED LIGHT FROM THE ARC.
Supplemental Safety and Health

Solubility in Water:NEGLIGIBLE
Appearance and Odor:SILVER

Stability Indicator/Materials to Avoid:YES
Hazardous Decomposition Products:ALUMINUM, WELDING FUMES, ULTRAVIOLET
RADIATION, OZONE.

Waste Disposal Methods:WASTE WHICH CAN'T BE REUSED MAY BE DISPOSED IN A
SANITARY LANDFILL. RCRA HAZARDOUS WASTE #: NOT REGULATED.

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.