NationalStockNumber.INFO
Worldwide distributor of NSN parts and consumables located in the USA.
Worldwide distributor of NSN parts and consumables located in the USA.
A filler metal in wire or rod form used in welding where the fusing or melting heat is supplied through the medium of a gas flame or tungsten inert gas welding (tig) wherein the filler metal does not serve as a carrier for the electric current. See also electrode, welding. For a collection of welding rods, see welding rod set.
Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.
Welding machine parts and parts of apparatus
Parts for electric laser, other light or photon beam, ultrasonic etc. Soldering, brazing or welding machines and apparatus for hot metal etc. Spraying
Metalworking machine tools
Y - Indicates information is in the hazardous materials information resource system (hmirs).
PMICU - Precious metal content is unknown
CRITL- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Questions & Answers: |
|
| What are the historical prices recorded for this stock number? | |
| No pre-dated pricing for this NSN could be found. | |
| Does NSN 3439-00-056-0034 have a shelf life? | |
| No. There is no shelf life applicable for this NSN. | |
| What NATO entities are users of this NSN? | |
| Tennessee Valley Authority | |
| What is the NIIN of NSN 3439-00-056-0034? | |
| 000560034 or 00-056-0034 | |
| Does NSN 3439-00-056-0034 require demilitarization? | |
| Yes - ITAR Controlled | |
| What is the most recent solicitation for NSN 3439-00-056-0034? | |
| No solicitations for this NSN. | |
| When was this national stock number assigned to the federal catalog? | |
| Jan 01, 1963 | |
Ld50 lc50 mixture: none specified by manufacturer.
routes of entry: inhalation: yes skin: no ingestion: yes
reports of carcinogenicity: ntp: yes iarc: yes osha: no
health hazards acute and chronic: castings in solid form present 2 types
of hlth haz: allergic rxn caused by prlng cont to casting in its
solid/dust form, & if cont is made w/casting w/sufficient force to
cause physical deformation of person w/whom it comes in cont. Iron
oxide generated by flame cutting/welding/arc gouging of casting
(efts of overexp)
explanation of carcinogenicity: nickel: anticipated to be a carcin
(ntp), group 2b (iarc). Cobalt: group 2b (iarc).
effects of overexposure: hlth haz: & if inhaled over long period of
time, siderosis or iron pigmentation of lungs may develop, visible
on chest x-ray but shld cause little or no disability. Overexp to
manganese dust/fumes may cause metal fume fever w/flu-like symp.
chronic overexp can cause manganese poisoning. Early symptoms incl
(supp data)
medical cond aggravated by exposure: none specified by manufacturer.
First aid: eyes: flush w/running water for at lst 15 min to remove
particulate. Get med attn. Skin: brush off excess dust. Wash area
well w/soap & water. Inhal: move to fresh air. Get med attn.
ingest: seek med help if lg qtys of matl have been ingested. In
event of serious injury, ctl bleeding, admin cpr, keep victim warm
& call paramedic as deemed needed. If broken bones are suspected,
do not move victim.
Boiling pt: b.P. Text: see ing 3
melt/freeze pt: m.P/f.P text: see ing 19
spec gravity: 8.38-8.76
solubility in water: insoluble
appearance and odor: solid, metallic, silver-gray, no odor.
Stability indicator/materials to avoid: yes
incompatible with certain acids, bases and oxidizers. Molten scrap may
react violently with water.
stability condition to avoid: none specified by manufacturer.
hazardous decomposition products: none specified by manufacturer.
Waste disposal methods: scrap metal can be reclaimed for reuse. Follow
federal, state and local regulations regarding disposal.
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.
Ingred name: carbon
cas: 7440-44-0
rtecs #: ff5250100
fraction by wt: 0.4-2.7%
osha pel: 15 mg/m3 tdust
acgih tlv: 2 mg/m3 tdust; 9293
ingred name: chromium (sara iii)
cas: 7440-47-3
rtecs #: gb4200000
fraction by wt: 20-34%
osha pel: 1 mg/m3
acgih tlv: 0.5 mg/m3
epa rpt qty: 1 lb
dot rpt qty: 1 lb
ingred name: cobalt (sara iii). Bp: 5250f,2899c.
cas: 7440-48-4
rtecs #: gf8750000
fraction by wt: balance
osha pel: 0.1 mg/m3;as co
acgih tlv: 0.05 mg/m3;dust 9293
ingred name: columbium
cas: 7440-03-1
fraction by wt: 0-2.5%
ingred name: iron (pel/tlv as iron oxide fume)
cas: 7439-89-6
rtecs #: no4565500
fraction by wt: 0-3%
osha pel: 10 (fe) mg/m3
acgih tlv: 5 (mg) mg/m3
ingred name: manganese (sara iii)
cas: 7439-96-5
rtecs #: oo9275000
fraction by wt: 0-1%
osha pel: (c) 5 mg/m3 dust
acgih tlv: 5 mg/m3 dust 9293
ingred name: molybdenum (pel/tlv as mo, insoluble compounds)
cas: 7439-98-7
rtecs #: qa4680000
fraction by wt: 0-1.5%
osha pel: 15 mg/m3 tdust
acgih tlv: 10 mg/m3; 9293
ingred name: nickel (sara iii)
cas: 7440-02-0
rtecs #: qr5950000
fraction by wt: 0-3%
osha pel: 1 mg/m3
acgih tlv: 1 mg/m3
ingred name: phosphorous (sara iii)
cas: 7723-14-0
rtecs #: th3500000
fraction by wt: 0-0.04%
osha pel: 0.1 mg/m3
acgih tlv: 0.1 mg/m3
epa rpt qty: 1 lb
dot rpt qty: 1 lb
ingred name: silicon
cas: 7440-21-3
rtecs #: vw0400000
fraction by wt: 0-1.5%
osha pel: 15 mg/m3 tdust
acgih tlv: 10 mg/m3 tdust; 9293
ingred name: sulfur (sara iii) (pel/tlv as sulfur dioxide)
cas: 7704-34-9
rtecs #: ws4250000
fraction by wt: 0-0.04%
osha pel: 2 ppm; 5 stel
acgih tlv: 2 ppm; 5 stel
ingred name: tantalum
cas: 7440-25-7
rtecs #: ww5505000
fraction by wt: 0-2.5%
osha pel: 5 mg/m3 dust
acgih tlv: 5 mg/m3 dust
ingred name: tungsten (pel/tlv as w, insoluble compounds)
cas: 7440-33-7
rtecs #: yo7175000
fraction by wt: 3.5-19%
osha pel: 5 mg/m3;10 stel
acgih tlv: 5 mg/m3;10 stel
ingred name: other prec: dust masks, dust collection sys & niosh/msha
apprvd respirators. Use good housekeeping pract to (ing 15)
rtecs #: 9999999zz
ingred name: ing 14: prevent accum of dust and to keep airborne dust
concentrations at a minimum. Avoid breathing dusts or fumes.
rtecs #: 9999999zz
ingred name: other prot equip: ear plugs/ear muffs shld be worn where
noise levels reach/exceed 90 db. Sfty shoes equipped (ing 17)
rtecs #: 9999999zz
ingred name: ing 16: with steel toes and metatarsals.
rtecs #: 9999999zz
ingred name: hygiene pract: after work is required before changing into
street clothes. Food should not be consumed in work area.
rtecs #: 9999999zz
ingred name: melting point: >2200f,>1204c
rtecs #: 9999999zz
Ld50 lc50 mixture: none specified by manufacturer.
routes of entry: inhalation: yes skin: no ingestion: no
reports of carcinogenicity: ntp: yes iarc: yes osha: no
health hazards acute and chronic: inhal: dust, fume or powder may result
from thermal spraying, welding, metallizing or similar operations
which generate airborne metal particulate. Skin: contact w/this
material may cause, in some sensi tive individuals allergic
response if elements such as chromium, cobalt, copper & nickel are
present. (efts of overexp)
explanation of carcinogenicity: chromium: iarc monographs, vol 49, pg 49,
1990: grp 1. Ntp 7th annual rpt on carcins, 1992: known to be carcin.
(supp data)
effects of overexposure: hlth haz: in form of metal or powder, contact or
abrasion may also cause irritation or dermatitis. Eyes: particulate
metal (dust, fume or powder) may be dangerous to eye & surrounding
tissue. Contact ne hc for further information .
medical cond aggravated by exposure: none specified by manufacturer.
First aid: inhal: brthg dfclty reqs removal to fresh air. If brthg has
stopped, perform artf resp & obtain med assistance at once.
ingest: can be treated by having affected pers swallow lg qtys of
water & attempti ng to induce vomit if conscious. Obtainmed
assistance at once. Skin: cuts & abrasions can be treated by std
first aid. Contam can be removed by washing w/soap & water. If
irrit persists obtain(ing 14)
Melt/freeze pt: m.P/f.P text: 2475f,1357c
spec gravity: 8.38 (h*2o=1)
solubility in water: none
appearance and odor: powder, gray color; no odor.
percent volatiles by volume: none
Stability indicator/materials to avoid: yes
avoid cont w/mineral acids & oxidizing agents which may generate
hydrogen gas; evolution of hydrogen may be explo haz.
stability condition to avoid: none specified by manufacturer.
hazardous decomposition products: various elemental metals & metal
oxides may be generated during thermal spraying, welding,
metallizing/similar (supdat)
Waste disposal methods: prior to disp consider if matl has recovery
value. Loc, state/fed regs may req specific labeling, packing,
stor, transportation & disp procs. Cont environ engineer/consultant
familiar w/waste disp reg s.
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.
Ingred name: boron
cas: 7440-42-8
rtecs #: ed3750000
osha pel: n/k
acgih tlv: n/k
ingred name: carbon
cas: 7440-44-0
rtecs #: ff5250100
fraction by wt: 1.15%
osha pel: 10 mg/m3 tdust
acgih tlv: 2 mg/m3 tdust
ingred name: cobalt (sara iii)
cas: 7440-48-4
rtecs #: gf8750000
fraction by wt: balance
osha pel: 0.05 mg/m3
acgih tlv: 0.05 mg/m3 dust
ingred name: chromium (sara iii)
cas: 7440-47-3
rtecs #: gb4200000
fraction by wt: 27.75%
osha pel: 1 mg/m3
acgih tlv: 0.5 mg/m3
epa rpt qty: 1 lb
dot rpt qty: 1 lb
ingred name: copper (sara iii)
cas: 7440-50-8
rtecs #: gl5325000
osha pel: 0.1mg/m3 fume;1 dust
acgih tlv: 0.2mg/m3 fume;1 dust
epa rpt qty: 5000 lbs
dot rpt qty: 5000 lbs
ingred name: iron (iii) oxide; (iron oxide)
cas: 1309-37-1
rtecs #: no7400000
fraction by wt: 3% (max)
osha pel: 10 mg/m3 (fe)
acgih tlv: 5 mg/m3 (fe)
ingred name: manganese (sara iii). Tlv: 5 mg/m3 dust;3 mg/m3 fume stel.
cas: 7439-96-5
rtecs #: oo9275000
fraction by wt: 1% (max)
osha pel: 5 mg/m3 dust, 5 c
acgih tlv: see ingredient name
ingred name: molybdenum
cas: 7439-98-7
rtecs #: qa4680000
fraction by wt: 1% (max)
osha pel: 10 mg/m3 tdust
acgih tlv: 10 mg/m3
ingred name: nickel (sara iii)
cas: 7440-02-0
rtecs #: qr5950000
fraction by wt: 3% (max)
osha pel: 1 mg/m3
acgih tlv: 1 mg/m3
ingred name: silicon
cas: 7440-21-3
rtecs #: vw0400000
fraction by wt: 1.15%
osha pel: 10mg/m3 tdust;5 resp
acgih tlv: 10mg/m3 tdust
ingred name: vanadium (sara iii)
cas: 7440-62-2
rtecs #: yw1355000
fraction by wt: 4.5%
osha pel: 0.05 mg/m3 (v205)
acgih tlv: 0.05 mg/m3 (v205)
ingred name: tungsten
cas: 7440-33-7
rtecs #: yo7175000
osha pel: 5 mg/m3;10 stel
acgih tlv: 5 mg/m3;10 stel
ingred name: supdat: monographs on the evaluation of carcinogenic risk of
chemicals to man, vol 52, pg 363, 1991: grp 2b.
rtecs #: 9999999zz
ingred name: first aid proc: med assistance. Eyes: flush w/copious amts of
clean water for at lst 15 mins. If irrit persists (ing 15)
rtecs #: 9999999zz
ingred name: ing 14: obtain med assistance. Cont lenses should not be
worn if working w/metal dusts/pwdrs. Med surveillance: (ing 16)
rtecs #: 9999999zz
ingred name: ing 15: lung function tests, chest x-rays & routine physical
exams may be useful to determine efts of dust/fume exposure.
rtecs #: 9999999zz
ingred name: spill proc: in waste cntnr. Metal pwdrs/dusts may have
significant impact on air & water quality. Airborne (ing 18)
rtecs #: 9999999zz
ingred name: ing 17: emissions, spills & rels to environ (discharge to
streams, sewer sys, ground water, surf soil, etc) (ing 19)
rtecs #: 9999999zz
ingred name: ing 18: should be controlled immed. If such potntl for
spill/rels exists it is advisable to develop emer spill (ing 20)
rtecs #: 9999999zz
ingred name: ing 19: response plan.
rtecs #: 9999999zz
ingred name: other prec: sources of ignition.
rtecs #: 9999999zz
ingred name: vent: to elements identified in ing section can be best
determined by having air samples taken in employee brthg (ing 23)
rtecs #: 9999999zz
ingred name: ing 22: zone, work area or department.
rtecs #: 9999999zz
ingred name: other prot equip: appropriate to circumstances of exposure.
rtecs #: 9999999zz
Ld50 lc50 mixture: none specified by manufacturer.
routes of entry: inhalation: yes skin: yes ingestion: no
reports of carcinogenicity: ntp: yes iarc: yes osha: no
health hazards acute and chronic: elec arc weld/oxy fuel weld may create
one/more of following: fumes & gases can be dangerous to hlth.
acute: overexp to weld fumes: discomfort such as dizz, naus/dryness
or irrit of nose, throat/eyes. Ch romates present in fume: irrit of
resp sys, dmg to lungs & asthmalike symps. Nickel cmpds in fume:
(efts of overexp)
explanation of carcinogenicity: nickel: iarc monographs on the eval of
carcin risk of chems to man, vol 49, pg 257, 1990: group 2b. Ntp 7th
(ing 15)
effects of overexposure: hlth haz: metallic taste, naus, chest tightness,
fever & allergic rxns. Fluorides: pulm edema, bronch.
chronic: overexp to weld fumes can lead to siderosis (deposits in
lung) & affect pulm func. Long ter m overexp to manganese cmpds may
affectcns w/musc weak & tremors similar to parkinson's disease;
behavioral (ing 17)
medical cond aggravated by exposure: none specified by manufacturer.
First aid: call for medical aid. Employ first aid techniques recommended
by the american red cross. Ingest: call md immediately . Inhal:
remove to fresh air. Support breathing (give oxygen/artificial
respi ration) . Eyes: immediately flushw/potable water for a
minimum of 15 minutes, seek assistance from md . Skin: flush
w/copious amounts of water. Call md .
Appearance and odor: none specified by manufacturer.
Stability indicator/materials to avoid: yes
none specified by manufacturer.
stability condition to avoid: none specified by manufacturer.
hazardous decomposition products: welding fumes & gases cannot be
classified simply. Composition & qty depend upon metal being
welded, process, (supdat)
Waste disposal methods: prevent waste from contaminating surrounding
environment. Discard any product, residue, disposable container or
liner in an environmentally acceptable manner in full compliance
with federal, state and local regulations.
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.
Ingred name: manganese (sara 313)
cas: 7439-96-5
rtecs #: oo9275000
fraction by wt: 0-2%
osha pel: 5 mg/m3 dust, c
acgih tlv: 5 mg/m3 dust
ingred name: silicon
cas: 7440-21-3
rtecs #: vw0400000
fraction by wt: 0-5%
osha pel: 15 mg/m3 tdust
acgih tlv: 10 mg/m3 tdust
ingred name: chromium (sara 313) (cercla)
cas: 7440-47-3
rtecs #: gb4200000
fraction by wt: 20-40%
osha pel: 1 mg/m3
acgih tlv: 0.5 mg/m3
epa rpt qty: 1 lb
dot rpt qty: 1 lb
ingred name: nickel (sara 313) (cercla)
cas: 7440-02-0
rtecs #: qr5950000
fraction by wt: 0-5%
osha pel: 1 mg/m3
acgih tlv: 1 mg/m3
ingred name: molybdenum
cas: 7439-98-7
rtecs #: qa4680000
fraction by wt: 0-10%
osha pel: 10 ppm
acgih tlv: 10 ppm
ingred name: iron
cas: 7439-89-6
rtecs #: no4565500
fraction by wt: 0-5%
osha pel: n/k
acgih tlv: n/k
ingred name: titanium oxide; (titanium dioxide)
cas: 13463-67-7
rtecs #: xr2275000
fraction by wt: 2-6%
osha pel: 15 mg/m3 tdust
acgih tlv: 10 mg/m3 tdust
ingred name: calcium fluoride; (fluoride)
cas: 7789-75-5
rtecs #: ew1760000
fraction by wt: 0-2%
osha pel: n/k
acgih tlv: n/k
ingred name: calcium carbonate
cas: 1317-65-3
rtecs #: ev9580000
fraction by wt: 1-5%
osha pel: 15 mg/m3 tdust
acgih tlv: 10 mg/m3 tdust
ingred name: tungsten
cas: 7440-33-7
rtecs #: yo7175000
fraction by wt: 0-15%
osha pel: n/k
acgih tlv: 1 mg/m3; 3 stel
ingred name: cobalt (sara 313)
cas: 7440-48-4
rtecs #: gf8750000
fraction by wt: 30-60%
osha pel: 0.1 mg/m3
acgih tlv: 0.02 mg/m3
ingred name: supdat: & co*2. Ozone & nitrogen oxides may be formed by
radia from arc. One way to determ composition & qty of (ing 13)
rtecs #: 9999999zz
ingred name: ing 12: fumes & gases to which workers are expos is to take
air sample inside welder's helmet if worn/in worker's(ing 14)
rtecs #: 9999999zz
ingred name: ing 13: brthg zone. See ansi/aws f1.1 "meth of sampling
airborne particles generated by welding & allied processes."
rtecs #: 9999999zz
ingred name: explan of carcin: annual rpt on carcins, 1994: antic to be
carcin. Cobalt: iarc monographs on eval of carcin risk(ing 16)
rtecs #: 9999999zz
ingred name: ing 15: of chems to man, vol 52, pg 363, 1991: group 2b.
rtecs #: 9999999zz
ingred name: efts of overexp: chgs & chgs in handwriting. Pers expos to
manganese cmpds should get quarterly med exams for (ing 18)
rtecs #: 9999999zz
ingred name: ing 17: early detection of manganism. Studies show
production workers expos to hexavalent chromium cmpds have (ing 19)
rtecs #: 9999999zz
ingred name: ing 18: incrd incidence of cancer. Chromates may cause
ulceration & perforation of nasal septum; liver & allergic(ing 20)
rtecs #: 9999999zz
ingred name: ing 19: skin rash reported. Long term overexp to nickel
cmpds: lung fibrosis/pneumoconiosis. Shielding gases ie,(ing 21)
rtecs #: 9999999zz
ingred name: ing 20: argon, helium & co*2 are asphy & adeq vent must be
provided. Arc rays can injure eyes & burn skin. Heat (ing 22)
rtecs #: 9999999zz
ingred name: ing 21: rays (infrared radia from flame/hot metal) can
injure eyes. Elec shock can kill. Noise can damage hearing.
rtecs #: 9999999zz
ingred name: eye prot: & full lngth fshld w/filter lens. Start w/shade
which is too dark to see weld zone. Then go to (ing 24)
rtecs #: 9999999zz
ingred name: ing 23: next lighter shade which gives sufficient view of
weld zone. Provide prot screens & flash goggs to shield others.
rtecs #: 9999999zz
ingred name: other prot equip: may incl arm protectors, aprons, hats,
shoulder prot & dark, substantial clthg. See ansi z49.1.
rtecs #: 9999999zz
Ld50 lc50 mixture: none specified by manufacturer.
routes of entry: inhalation: yes skin: yes ingestion: yes
reports of carcinogenicity: ntp: yes iarc: yes osha: no
health hazards acute and chronic: fumes & gases can be dangerous to your
hlth. Acute: overexp may rslt in discomfort such as dizz, naus or
dryness/irrit of nose, throat/eyes. Chromates present can cause
irrit of resp sys, dmg to lungs & asthma like symps. Ing 6 can
cause metallic taste, naus, tightness in chest, fever & allergic
rxns. (efts of overexp)
explanation of carcinogenicity: nickel: iarc mono, vol 49, pg 257,
1990: grp 2b. Ntp 7th annual rpt on carcins, 1994: antic to be
carcin. Animal: (supdat)
effects of overexposure: hlth haz: ing 1 may cause flu like symps (metal
fume fever). Fluorides can cause pulm edema bronch. Shielding gases
such as argon, helium & carbon dioxide are asphys & adeq vent must
be provided. Chron ic: overexp can lead to siderosis (iron deposits
in lung) & affect pulm func. Ing 1 may affect cns. Symps incl (ing
22)
medical cond aggravated by exposure: none specified by manufacturer.
First aid: call for medical aid. Employ first aid techniques recommended
by the american red cross. Ingest: call md immediately .
inhal: remove to fresh air. Support breathing (give o*2/artf resp) .
ey es: immediately flush w/potable water for a minimum of 15
minutes, seek assistance from md . Skin: flush w/copious amounts of
water. Call md .
Appearance and odor: tubular wire containing alloys & minerals.
Stability indicator/materials to avoid: yes
none specified by manufacturer.
stability condition to avoid: none specified by manufacturer.
hazardous decomposition products: welding fumes & gases cannot be
classified simply. Composition & qty of both are dependent upon
metal being (ing 9)
Waste disposal methods: prevent waste from contaminating surrounding
environment. Discard any product, residue, disposable container or
liner in an environmentally acceptable manner, in full compliance
w/federal, state & loc al regulations.
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.
Ingred name: manganese (sara 313)
cas: 7439-96-5
rtecs #: oo9275000
fraction by wt: 0.2-2%
osha pel: 5 mg/m3 dust, c
acgih tlv: 5 mg/m3 dust
ingred name: silicon
cas: 7440-21-3
rtecs #: vw0400000
fraction by wt: 0.2-2%
osha pel: 15 mg/m3 tdust
acgih tlv: 10 mg/m3 tdust
ingred name: iron
cas: 7439-89-6
rtecs #: no4565500
fraction by wt: 0-5%
osha pel: 5 mg/m3 (mfr)
acgih tlv: 10 mg/m3 (mfr)
ingred name: chromium (sara 313) (cercla)
cas: 7440-47-3
rtecs #: gb4200000
fraction by wt: 25-35%
osha pel: 1 mg/m3
acgih tlv: 0.5 mg/m3
epa rpt qty: 1 lb
dot rpt qty: 1 lb
ingred name: molybdenum
cas: 7439-98-7
rtecs #: qa4680000
fraction by wt: 0-7%
osha pel: 10 ppm
acgih tlv: 10 ppm
ingred name: nickel (sara 313) (cercla)
cas: 7440-02-0
rtecs #: qr5950000
fraction by wt: 0-5%
osha pel: 1 mg/m3
acgih tlv: 1 mg/m3
ingred name: tungsten
cas: 7440-33-7
rtecs #: yo7175000
fraction by wt: 0-4%
osha pel: 0.1 mg/m3 (mfr)
acgih tlv: 1 mg/m3;3 stel
ingred name: cobalt (sara 313)
cas: 7440-48-4
rtecs #: gf8750000
fraction by wt: balance
osha pel: 0.1 mg/m3
acgih tlv: 0.02 mg/m3
ingred name: haz decomp prod: welded, process, proc, electrodes used,
coatings on metal being welded, number of welders & vol (ing 10)
rtecs #: 9999999zz
ingred name: ing 9: of work area, quality & amt of vent, position of
welder's head w/respect to fume plume, as well as (ing 11)
rtecs #: 9999999zz
ingred name: ing 10: presence of contams in atm. When electrode is
consumed, fume & gas decomp prods generated are diff in (ing 12)
rtecs #: 9999999zz
ingred name: ing 11: percent & form from ings listed. Conc may decr/incr
many times original conc in electrode, forming new (ing 13)
rtecs #: 9999999zz
ingred name: ing 12: cmpds. Decomp prods of norm operation incl those
originating from volatilization, rxn/oxidation of ings &(ing 14)
rtecs #: 9999999zz
ingred name: ing 13: those from base metal & coating, etc. Reas expected
decomp prods from norm use of these prods incl (ing 15)
rtecs #: 9999999zz
ingred name: ing 14: complex of oxides of ings, as well as carbon
monoxide, carbon dioxide, ozone & nitrogen oxides. One way (ing 16)
rtecs #: 9999999zz
ingred name: ing 15: to determ composition & qty of fumes & gases to
which workers are expos is to take an air sample inside (ing 17)
rtecs #: 9999999zz
ingred name: ing 16: welder's helmet if worn/in worker's brthg zone. See
ansi/aws f1.1 "meth for sampling airborne particles (ing 18)
rtecs #: 9999999zz
ingred name: ing 17: generated by welding & allied processes" &
"characterization of arc welding fume" available from aws. For(ing
19)
rtecs #: 9999999zz
ingred name: ing 18: for specific information contact nehc .
rtecs #: 9999999zz
ingred name: eye prot: full lgth fshld w/filter lens. As rule of thumb,
start w/shade too dark to see weld zone, then go(ing 21)
rtecs #: 9999999zz
ingred name: ing 20: to next ltr shade which gives sufficient view of
zone. Provide prot screens/flash goggs, if nec to shield others.
rtecs #: 9999999zz
ingred name: efts of overexp: muscular weak & tremors similar to
parkinson's disease & behavioral/handwriting changes. Ing 4 (ing
23)
rtecs #: 9999999zz
ingred name: ing 22: is considered carcin. Expos can cause scaling,
redness, itch & burning sensation on skin. Ing 6 may cause(ing 24)
rtecs #: 9999999zz
ingred name: ing 23: lung fibrosis/pneumoconiosis; soreness & itch of
nose & change in skin color &/or appear. Arc rays can (ing 25)
rtecs #: 9999999zz
ingred name: ing 24: injure eyes & burn skin. Heat rays (infrared radia)
can injure eyes. Elec shock can kill. Noise can dmg hearing.
rtecs #: 9999999zz