|
General |
Properties |
|
Typical analysis
%
|
|
C
.14/.22
|
MN
1.00/1.30
|
P
.040max
|
S
.24/.33
|
SI
.10/.40
|
|
|
Delivery
condition
|
149 H.B.
|
|
Color code
|
Pink
|
EDRO #20 is a mild
carbon steel stocked in as rolled condition.
EDRO #20 is characterized
by:
- Excellent
machinability
- Responds to surface
hardening
- Ready welded
- Good dimensional
stability
- Manufactured in the
USA
- Rubber molds - V Belt mold rings,
gears, cams, sprockets, jigs, and fixtures
|
PHYSICAL DATA
These are typical
mechanical properties for a 1" thick platte in the as rolled
condition.
|
Tensile Strength - psi
|
72,000
|
|
Yield Strength - psi
|
48,000
|
|
Elongation in 2"
|
30%
|
|
Reduction of Area
|
60%
|
HARDENING
EDRO #20 responds to
any of the standard carburizing and subsequent hardening methods used for such
grades as 1018.
Normalize 1650° -
1750°F
Anneal 1550° -
1600°F
Stress Relieve 1250° -
1300°F
Carburize 1650° -
1700°F
Harden 1450° -
1500°F (water)
MACHINABILITY
EDRO #20 machines at
speeds up to 40% higher than other steels with comparable carbon content. EDRO
#20 is machined at cutting speeds of up to 170 surface feet per
minute.
|