FULL LINE CATALOG  Page 364

MATERIAL SAFETY DATA SHEET
Steel
Product Description and Hazardous Ingredients/Identity Information

BASE METAL

CAS #

% COMP. BY WEIGHT

ACGIH TLV (mg/m3) OSHA 1910.1000 (mg/m3) LD50 Species Route
Iron,   Fe 7439-89-6 Usually  >95.0 5.0 as oxide fume 10.0 as oxide dust and fume NE
ALLOYING ELEMENTS CAS NUMBER %COMPOSITION BY WEIGHT ACGIH  TWA (mg/m3) OSHA 1910.1000  TWA (mg/m3) LD50 Species Route
(see  II-A for specifics)
Aluminum, Al 7429-90-5 .01 - 1.50 10.0 as metal dust & oxide 15.0 as total dust NE
5.0 as welding fume 5.0 as respirable fraction
Carbon, C 1333-86-4 .01 - 2.5 3.5 as carbon black 3.5 as carbon black NE
Chromium,  Cr 7440-47-3 .01 - 20.0 0.5 as metal 1.0 as metal NE
Cobalt,  Co 7440-84-4 .01 - 8.0 0.05 as dust and fume 0.10 as dust and fume NE
Copper,  Cu 7440-50-8 .01 - 2.0 0.2 as fume; 1.0 as dust 0.1 as fume; 1.0 as dust NE
Lead,  Pb 7439-92-1 .01 - 1.0 0.15 as dust and fume 0.05 NE
Manganese,  Mn 7439-96-5 .01 - 10.0 1.0 as fume/5.0 as dust 5.0 Ceiling 9gm/kg Rat, oral
      3.0 STEL as fume    
Molybdenum ,  Mo 7439-98-7 .01 - 7.0 5.0 soluble/15.0 total dust 5.0 soluble/10.0 insoluble NE
Nickel,  Ni 7440-02-0 .01 - 20.0 1.0 as metal 1.0 as metal 50 mg/kg
mouse-intravenous
Silicon,  Si 7440-21-3 .01 - 3.0 10.0 as total dust 15.0 as total dust  
5.0 as respirable fraction NE
Sulfur,  S 7404-34-9 < 0.1 5.2 as SO2/13.0 STEL as SO2 13.0 as SO2 NE
Tungsten,  W 7440-33-7 .00 - 19.0 5.0 as dust 5.0 as dust NE
Vanadium,  V 7440-62-2 .01 - 5.0 0.5 (C) - dust as V2O5 0.05 - respirable dust and 59.0 mg/kg
0.1(C) - fume as V2O5 fume as V2O5 Mouse-subcutaneous
Zinc,  Zn 7440-66-6 .00 - 99.0 as coating only 5.0 as oxide fume 5.0 as oxide fume  
10.0 STEL as oxide fume 15.0 as oxide total dust
      10.0 dust as ZnO 5.0 as respirable fraction NE
ABBREVIATIONS: ACGIH-TLV American Conference of Governmental Industrial Hygenists - Threshold Limit Value 
(C) - Ceiling Level    NE - Not Established    
CAS No. - Chemical Abstract Service Number
LD50 - Lethal dose for 50% of tested animals   
PEL - Permissable Exposure Limit
STEL - Short Term Exposure Limit

Revised 12/21/95