SDS

SDS: ER70S-6 USF
October 1, 2014
Page 5 of 7
The table below lists reasonably expected fumes that may be generated. Refer to Section 11 for more information about welding
fumes.
Exposure Limit (mg/m
3
)
SUBSTANCE CAS NUMBER OSHA PEL ACGIH-TLV
Iron Oxide
1309-37-1
10 (as Fe)
5 (as Fe)
Nitric Oxide 10102-43-9 30 31
Manganese fume # 7439-96-5 5 0.02
Gaseous reaction products may include carbon monoxide and carbon dioxide. Ozone and nitrogen oxides may also be formed by radiation
from the arc. Monitor fume levels. One recommended way to determine the composition and quantity of fumes and gas to which workers
are exposed is to take an air sample inside the welder's helmet if worn, or in the worker's breathing zone (see ANSI/AWS F1.1, F1.2, F1.3,
F1.4, and F1.5, available from the "American Welding Society," 550 N.W. LeJeune Road, Miami, FL 33126).
Exposure limits are subject to change. Contact ACGIH, OSHA, NIOSH, and IARC for current values.
SECTION 9: PHYSICAL AND CHEMICAL PROPERTIES
APPEARANCE: Solid appearance, non volatile, wire. No odor. Not soluble in water.
MELTING POINT: > 1800 °F (> 1000 °C)
SECTION 10: STABILITY AND REACTIVITY
GENERAL: These items are only intended for normal welding purposes.
STABILITY: Stable under normal conditions.
HAZARDOUS POLYMERIZATION: Will not occur
REACTIVITY: Contact with chemical substances like acids or strong bases could cause generation of gas.
HAZARDOUS DECOMPOSITION OR BY-PRODUCTS:
Gaseous reaction products may include carbon monoxide and carbon dioxide. Ozone and nitrogen oxides may also be formed by
radiation from the arc.
Refer to applicable national exposure limits for the fume compounds. Reasonably expected fume constituents of the fume could
include complex oxides of iron and nickel. The employer should contact an occupational health professional for doing fume
monitoring to determine fumes emitted and to ensure compliance to the applicable country limits.
Manganese also has a low exposure limit listed in the USA. Other country exposure limits may be different and the appropriate
country standards should be used.
SECTION 11: TOXICOLOGICAL INFORMATION
Welding fumes cannot be classified simply. The composition and quantity of both are dependent upon the metal being welded, the
process, procedure, and the wire used. Other conditions which also influence the composition and quantity of the fumes and gases
to which workers may be exposed include: coatings on the metal being welded (such as paint, plating, or galvanizing), the number
of welders and the volume of the work area, the quality and the amount of ventilation, position of the welder's head with respect to
the fume plume, as well as the presence of contaminants in the atmosphere (such as chlorinated hydrocarbon vapors from cleaning
and degreasing activities). The International Agency for Research on Cancer has classified welding fumes as possibly carcinogenic
to humans (group 2B).
EFFECTS OF OVEREXPOSURE - Electric arc welding may create one or more of the following health hazards:
FUMES AND GASES can be dangerous to your health.
PRIMARY ROUTES OF ENTRY is the respiratory system. Other possible routes are eyes and/or skin contact.
PREEXISTING respiratory or allergic conditions may be aggravated in some individuals (i.e. asthma, emphysema).