Material
grades
are
specified
if
known.
Nominal
dimensions
quoted
don’t
mean
exact
size.
No
tolerance
values
are
specified.
I
will
combine
multiple
orders
and
SAVE
on
delivery
costs.
Maximum
postal
weight
is
20
kgs/
parcel.
Maximum
lengths
is
1.05M
I
charge
a
$5.50
fee
for
multiple
packing
and
associated
materials.
Attention
Multiple
buyers!
Please
consult
the
seller
regarding
postal
adjustments
before
making
any
payments.
Postal
insurance
remains
the
buyers
responsibility.
A
tax
invoice
is
supplied
with
the
sale.
Eggspurt
Metal
Analysis.
Click
here!
4E
–
GREY
IRON
Typical
Analysis
(Ave.
values
%)
C
-
3.35
Mn
-
0.45
Si
-
2.60
Ni
-
0.08
Cr
-
0.08
Mo
-
0.01
P
-
0.10
S
-
0.08
Al
-
0.01
Cu
-
0.30
NEAREST
STANDARD
AS
-
1830-T250
BS
-
1452-Grade
17
DIN
-
1691-GG35
JIS
-
FC-25
DESCRIPTION
4E
continuous
cast
bars
consist
of
a
uniform
partial
pearlitic
structure
from
the
bar
surface
to
the
core.
This
material
is
ideally
suited
to
high
speed
machining
with
significant
improvements
in
cutting
tool
life
and
reductions
in
drill
wander
which
occurs
when
the
drill
point
gravitates
to
a
softer
surface.
4E
has
a
typical
fine
grain
size
of
7-8
in
dense
homogeneous
matrix.
These
properties
ensure
its
suitability
in
applications
demanding
the
ability
to
withstand
high
pressures
without
leaking.
APPLICATIONS
Pistons,
support
bearings,
glands,
slide
bearings,
distributor
blocks,
manifolds.
Guide
rails,
scale
bars,
spindle
sleeves
spacers,
bushings,
gear
wheels,
spur
gears,
change
gears,
pulleys,
gear
racks.
Oil
pump
gears,
impellors,
plate
valves.
Angle
plates,
marking
plates,
V-blocks,
round-tables.
Gears,
V-pulleys,
sprockets,
clutch
drums,
taper-lock
brakes,
racks,
pinions,
plus
countless
components
covering
many
industries.
Moulds,
blow
moulds.
Mechanical
Properties
Tensile
Strength
MPa
220
-
260
Compressive
Strength
MPa
700
-
800
Hardness
range
HB
170
-
220
GENERAL
PROPERTIES
Machinability
-
Excellent
Micro
finish
-
Excellent.
Enamelling
-
Good.
Resistance
to
rust
&
acids
-
Very
good.
Damping
capacity
-
Very
good.
Sliding
-
Excellent.
Structure
-
Homogeneous,
extremely
fine
grain.
Oil
pressure
tight,
free
of
blow
holes.
Surface
-
Free
of
sand.