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|  number of meaauremente shall, be taken
4.4.2
A
on each lot to determine
with the
and tolerance requirements
Thickness measurements shall be made with a micrometer.
,
4.4.2.1 Camber. Camber is the deviation of a side edge from a straight
shall be
by
an eight-foot
l i n e . The
straight edge on the concave eide and measuring the
between
the steel edge and the
edge. (See table
of ASTM
4.5 Teats,
4.5.1 Test specimens,
4.5.1.1 Chemical composition. Specimens for chemical analysis
be
prepared in accordance
A751.
4.5.1.2 Mechanical
Hardness.
shall be prepared in accordance with ASTM
18.
Tensile strength.
Specimens shall be prepared in
with
ASTM
bending. Specimens for cold bending
be prepared
negotiated between the supplier and procuring activity.
4.5.1.3
Decarburiastion. Two specimens shall be prepared from the
sample. The prepared surface of the specimens shall be
lees than inch
in length representing
thickness of the etrip and shall be
perpendicular to the direction
rolling.
4.5.2 Test methods.
4.5.2.1
Chemical composition shall be conducted in
accordance with
A751.
4.5.2.2 Mechanical properties.
4.5.2.2.1 Hardness tests.
Hardness
be conducted in accordance
with
E
4.5.2.2.2 Tensile strength.
Tensile
shall be conducted in
accordance with
4.5.2.2.3 Cold bending. Cold
shall be negotiated between the
and procuring activity.
6
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