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
Silicon
Manganese
Phosphorous
Sulfur
Copper
C
Si
Mn
P
S
Cu
0.130-0.179
0.122-0.179
0.465-0.600
0.007-0.022
0.010-0.020
0.050-0.200
(1) Recognized to have human carcinogenic or co-carcinogenic potential; included on IARC & NTP
listings.