EST |
DIN |
ASTM |
CHEMICAL COMPOSITION |
PROPERTY |
APPLICATION |
C |
Si |
Mn |
P≤ |
S≤ |
Cr |
Mo |
V |
Ni |
YTG136 |
1.2083 |
|
0.36-0.42 |
≤ 1.0 |
≤ 1.0 |
0.030 |
0.030 |
12.50-14-50 |
|
≤ 0.20 |
(0.60) |
supreme polishability, good corrosion
resistance, and good wear resistance.
material of choice for the manufacture
of plastic molding tools that require the
highest lens-quality polished fi nishes |
molds for compact disks
(CDs), medical laboratory
equipment, optical lenses,
and other components,
which require critical
surface fi nishes. |
YTG173 |
1.2316 |
|
0.33-0.45 |
≤ 1.0 |
≤ 1.50 |
0.030 |
0.030 |
15.5-17.5 |
0.80-1.30 |
- |
≤ 1.00 |
high cleanliness/homogeneity, powerful
in resistant to rust and corrosion, good
polishability, usually supplied in quenched
and tempered condition with a working
hardness of approximately 300 HB. |
For Mould with strong
corrupt resisting used
for camera lens, Dies
for pressing chemically
aggressive compounds |
YTJ20A |
1.2311 |
P20 |
0.35-0.45 |
0.20-0.40 |
1.30-1.60 |
0.030 |
0.030 |
1.80-2.10 |
0.15-0.25 |
- |
- |
Prehardened plastic mold steel, hardness
in as-supplied condition 280-320 HB that
is characterized by good toughness at
moderate strength level good polishability
and etching ability, adequate corrosion
resistance, and cost effi cient machining properties. |
Plastic molds, Mold frames
for plastic molds and
pressure casting dies,
Heated recipient casings
and tooling and for die
casting dies for zinc. |
YTJ21 |
1.2738 |
P20+Ni |
0.35-0.45 |
0.20-0.40 |
1.30-1.60 |
0.030 |
0.030 |
1.80-2.10 |
0.15-0.35 |
- |
0.90-1.20 |
Prehardened plastic mold steel, hardness
in as-supplied condition 280-320 HB
The high nickel content (1%) is specially
adapted to ensure a perfect homogeneity
of structure and hardness through
thickness even for very thick blocks,
good polishability, adequate corrosion
resistance, good machinability. |
Large size Plastic Injection
and blow moulding dies,
mould frame for pressure
casting dies, Heated
recipient casings |