SDS
MATERIAL SAFETY DATA SHEET
STEEL PRODUCTS
STEEL PRODUCTS- ORIGINAL ISSUE DATE: 08/11/2005 REVISED:
TYPICAL LEVELS OF TRACE OR RESIDUAL ELEMENTS IN STEELS
All steel products are alloys, which consist primarily of iron (generally 95 %). However, other elements,
which are either added intentionally or present as contaminates, or residuals may also occur in these
products at low-level concentration (generally <1.0%). These elements may include the following:
ALLOYING &
RESIDUAL
ELEMENTS
EXPOSURE LIMITS
CHEMICAL SYMBOL
% WT.
OSHAPEL ACGIHTLV
Carbon
Manganese
Phisphorous
Sulfur
Silicon
Aluminum
C
Mn
P
S
Si
Al
0.16
0.79
0.20
0.06
0.04
0.27
(1) Recognized to have human carcinogenic or co-carcinogenic potential; included on IARC & NTP
listings.


