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Page Title:
Table II. Chemical Composition - Heat Analysis |
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|  Size required (see
(f) Additional identification larking, if required (see
Lot
if other than
specified in 4.2.
(h) Level of preservation and packing required (see section
6.2 Selection of chemical composition,
Steel grade
While it is not common practice to
specify cold rolled carbon steel strip to numerical designations indicating
composition,
covering compositions (cast or heat
produced to this
are shown in table II and
analysis)
may be used as a guide in procurement,
II.
Chemical
heat analysis.
Carbon,
Manganese,
AISI
(max.)
number
0.59-0.73
0.050
Cl0740
l 050
released engineering drawings and other
which specify
J-digit
number may be converted to the above
numbers by inserting a
prefix
and a suffix
to the AISI number.
and maximum limits
ranges. When cold rolled carbon
6.2.2
spring steel in strip form is specified to chemical composition, the
compositions are commonly prepared using the cast or heat ranges and limits
shown in table III. Por steel manufactured by any process, the elements
comprising the desired chemical composition are specified in one of three ways.
(a)
a maximum limit
(b) By a minimum limit
By minimum end maximum limits, termed the range; by a summon
usage, the range
the arithmetical difference
the two
limits (e.g., 0 . 6 0 t o 0 . 7 2 i s 0 . 1 2 r a n g e )
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