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Mold Steel

Plastic materials for injection molding, mold steel used in video electronics such as LCD and LED TV refrigerators, washing machines, household appliances and automobile bumpers, and dip into the mold that is commonly used.

Division

STANDARDS

Chemical Composition(Wt, %)

Applications

SeAH
CSS

SeAH
Besteel

DOOSAN

JIS

AISI

Din

KPI

TP1

HP1A

S55C
improved

1050
improved

1.1210
improved

0.50
0.55

≤0.35

≤0.90

≤0.03

≤0.02

General Frame
Base of Precision Parts

KP4

TP4

HP4A

SCM
improved

4140
improved

1.2311
improved

0.26
0.43

0.15
0.35

0.80
1.15

≤0.025

≤0.020

≤0.45

0.90
1.50

0.20
0.30

TV/PC Back Cover
and O/A Machine

KP4M

TP4M

HP4MA

SNCM
improved

P20
improved

1.2738
improved

0.26
0.37

0.15
0.35

0.80
1.00

≤0.02

≤0.20

≤0.55

1.65
2.10

0.40
0.50

Mold for
High Quality Motor
Bumper and Electronic
Product Covers

PRODUCTSHANDLED

Mold Steel

PRODUCTS
HANDLED