Lincoln Electric MC-439 User's Manual
Contents
1. Date 11 1 06 MSDS No US CW353 Trade Name Outershield MC 439 LINCOLN Supersedes 7 1 99 MATERIAL SAFETY DATA SHEET For Welding Consumables and Related Products Conforms to Hazard Communication Standard 29CFR 1910 1200 Rev October 1988 SECTION I IDENTIFICATION Manufacturer the Lincoln Electric Company Product Type Cored Electrode Supplier 22801 St Clair Avenue Cleveland OH 44117 1199 216 481 8100 Classification None SECTION II HAZARDOUS MATERIAL 1 IMPORTANT This section covers the materials from which this product is manufactured The fumes and gases produced during welding with the normal use of this product are covered by Section V see it for industrial hygiene information CAS Number shown is representative for the ingredients listed All ingredients listed may not be present in all sizes 1 The term hazardous in Hazardous Materials should be interpreted as a term required and defined in the Hazards Communication Standard and does not necessarily imply the existence of any hazard All materials are listed on the TSCA inventory e Chromium and chromium alloys or compounds as Cr 744047 3 Ca 0 5 b 1 0 b w 02 oo Sion anor son sloss and eono wf Tabata 0 0 Carbon sted tube o steel tube ee Supplemental Information Not listed Nuisance value maximum is 10 milligrams per cubic meter PEL value for iron ox2. ace shield and may include arm protectors aprons hats shoulder protection as well as dark substantial clothing Train the welder not to permit electrically live parts or electrodes to contact skin or clothing or gloves if they are wet Insulate from work and ground Disposal Information Discard any poiut residue dir pasable container or liner as ordinary waste in an environmentally acceptable manner according to Federal State and Local Regulations unless otherwise noted No applicable ecological information available
3. ad Miami FL 33126 SECTION VI AND VII CONTROL MEASURES AND PRECAUTIONS FOR SAFE HANDLING AND USE Read and understand the manufacturer s instruction and the precautionary label on the product Request Lincoln Safety Publication E205 See American National Standard Z49 1 Safety In Welding Cutting and Allied Processes published by the American Welding Society 550 N W LeJeune Road Miami FL 33126 both available for free download at http www lincolnelectric com community safety and OSHA Publication 2206 29CFR1910 U S Government Printing Office Superintendent of Documents P O Box 371954 Pittsburgh PA 15250 7954 for more details on many of the following Ventilation Use enough ventilation local exhaust at the arc or both to keep the fumes and gases from the worker s breathing zone and the general area Train the welder to keep his head out of the fumes Keep exposure as low as possible Respiratory Protection Use respirable fume respirator or air supplied respirator when welding in confined space or general work area when local exhaust or ventilation does not keep exposure below TLV Eye Protection Wear helmet or use face shield with filter lens shade number 12 or darker Shield others by providing screens and flash goggles Protective Clothing Wear hand head and body protection which help to prevent injury from radiation sparks and electrical shock See Z49 1 At a minimum this includes welder s gloves and a protective f
4. ide is 10 mg m TLV value for iron oxide is 5 milligrams per cubic meter b The OSHA PEL for chromium VT is 5 micrograms 0 005 milligrams per cubic meter The TLV for water soluble chromium VI is 0 05 milligrams per cubic meter and the TLV for insoluble chromium VI is 0 01 Subject to the reporting requirements of Sections 311 312 and 313 of the ptr g milligrams per cubic meter Emergency Planning and Community Right to Know Act of 1986 and of 40CFR 370 and 372 c Values are for manganese fume STEL Short Term Exposure Limit is 3 0 milligrams per cubic meter Values are those proposed by OSHA in 1989 Present PEL is 5 0 milligrams per cubic meter ceiling value SECTION III HAZARD DATA Non Flammable Welding arc and sparks can ignite combustibles and flammable products See Z49 1 referenced in Section VI Product is inert no special handling or spill procedures required Not regulated by DOT Rev 11 06b CONTINUED ON SIDE TWO 4 Extreme aN ei te Product Outershield MC 439 oe tah aa deal Date 11 1 06 1 Slight 0 Insignificant See Text SECTION IV HEALTH HAZARD DATA Threshold Limit Value The ACGIH recommended general limit for Welding Fume NOS Not Otherwise Specified is 5 mgm ACGIH 1999 preface states that the TLV TWA should be used as guides in the control of health hazards and should not be used as fine lines between safe and dangerous concentration
5. ion 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 When the electrode is consumed the fume and gas decomposition products generated are different in percent and form from the ingredients listed in Section II Decomposition products of normal operation include those originating from the volatilization reaction or oxidation of the materials shown in Section II plus those from the base metal and coating etc as noted above Reasonably expected fume constituents of this product would include Primarily iron oxide and chromium oxides secondarily fluorides and complex oxides of manganese silicon sodium and titanium Maximum fume exposure guideline for this product based on Cr VI content is 0 5 milligrams per cubic meter Keep exposure as low as possible Indoors use local exhaust outdoors a respirator may be required Gaseous reaction products may include carbon monoxide and carbon dioxide Ozone and nitrogen oxides may be formed by the radiation from the arc Determine the composition and quantity of fumes and gases to which workers are exposed by taking an air sample from inside the welder s helmet if worn or in the worker s breathing zone Improve ventilation if exposures are not below limits See ANSI AWS F1 1 F1 2 F1 3 and F1 5 available from the American Welding Society 550 N W LeJeune Ro
6. s See Section V for specific fume constituents which may modify this TLV Threshold Limit Values are figures published by the American Conference of Government Industrial Hygienists Units are milligrams per cubic meter of air zards 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 Common entry is by inhalation Other possible routes are skin contact and ingestion Short term acute overexposure to welding fumes may result in discomfort such as metal fume fever dizziness nausea or dryness or irritation of nose throat or eyes May aggravate pre existing respiratory problems e g asthma emphysema Long term chronic overexposure to welding fumes can lead to siderosis iron deposits in lung and may affect pulmonary function Manganese overexposure can affect the central nervous system resulting in impaired speech and movement Bronchitis and some lung fibrosis have been reported Chromates may cause ulceration and perforation of the nasal septum Liver damage and allergic reactions including skin rash have been reported Chromates contain the hexavalent form of chromium Hexavalent chromium and its compounds are on the IARC International Agency for Research on Cancer and NTP National Toxicology Program lists as posing a cancer risk to humans WARNING This product contains or produces a chemical known to the State of California
7. to cause cancer and birth defects or other reproductive harm California Health amp Safety Code Section 25249 5 et seq Arc Rays can injure eyes and burn skin Skin cancer has been reported Electric Shock can kill If welding must be performed in damp locations or with wet clothing on metal structures or when in cramped positions such as sitting kneeling or lying or if there is a high risk of unavoidable or accidental contact with workpiece use the following equipment Semiautomatic DC Welder DC Manual Stick Welder or AC Welder with Reduced Voltage Control Emergency and First Aid Procedures Call for medical aid Employ first aid techniques recommended by the American Red Cross IF BREATHING IS DIFFICULT give oxygen IF NOT BREATHING employ CPR Cardiopulmonary Resuscitation techniques IN CASE OF ELECTRICAL SHOCK turn off power and follow recommended treatment In all cases call a physician SECTION V REACTIVITY DATA Hazardous Decomposition Products Welding fumes and gases cannot be classified simply The composition and quantity of both are dependent upon the metal being welded the process procedure and electrodes 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 worker area the quality and amount of ventilation the posit
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