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Plastic Mould Steel

Plastic Mould Steel is a specialised category of tool steel tailored for the manufacturing of moulds used in the production of plastic products. At Kushal Metal & Steel Industries, we understand the critical role that mould quality plays in the final product. That’s why we offer a comprehensive range of Plastic Mould Steel designed to ensure exceptional performance, longevity, and consistency.

Chemical Analysis

Germany DIN
CHEMICAL ANALYSIS (typical values) % Min-Max
Delivery Conditions
Applications
Grade
C
S
P
Si
Mn
Ni
Cr
Mo
V
Cu
Others
Heat
Treatment
Hardness (HB)
0.35-
0.45
MAX
0.003
MAX
0.003
0.20-
0.40
1.30-
1.60
0.90-
1.20
1.80-
2.10
0.15-
0.25
-
-
-
Prehardened
280/320
or
360/400
Synthetic plastic moulding dyes for large moulds for bigger diameters & blow moulds. Better through hardening properties for cross section of 400mm & more.
0.35-
0.45
MAX
0.030
MAX
0.030
0.20-
0.40
1.30-
1.60
-
1.80-
2.10
0.15-
0.25
-
-
-
Prehardened
280/325
Injection moulds of medium & large size, high deformation resistance with good polishability. Suitable for bottle crates, T.V housing, fridge door, buckets etc.
0.33-
0.43
MAX
0.030
MAX
0.030
0.95-
1.00
1.00-
1.30
0.90-
1.00
15.00-
17.00
1.00-
1.30
-
-
-
Prehardened
255
Super-mirror plastic molds: molds for optical lens and other transparent plastic pieces
Corrosion preventive high-resisting molds: Molds for fold vessels, cosmetics vessels, medical devices, light guiding plates, bottle covers, etc.
0.15
≤0.015
≤0.03
≤0.45
1.55
0.22
-
0.3
-
-
-
Prehardened
38~42HRC
Mirror plastic molds: Transparent plastic molds: optical instrument parts,
compact disks, medical devices etc.
1.2312
0.35-
0.45
0.05-
0.10
MAX
0.030
0.20-
0.40
1.30-
1.60
-
1.80-
2.10
0.15-
0.25
-
-
-
Prehardened
280/325
Tools for plastic & synthetic plastic processing, moulds for pressure diecasting recepient sleeves, brake dies. Also used for large moulds(truck bumpers for instance).
1.7225
0.38-
0.45
MAX
0.030
MAX
0.035
0.30-
0.40
0.75-
1.00
0.15-
0.25
0.80-
1.10
-
-
-
-
As Rolled / Forged
MAX
295
Statically & dynamically stressed components for vehicles, engines & machines. For parts of larger cross-sections, crankshafts, gears.
1.6582
0.38-
0.45
MAX
0.035
MAX
0.040
0.15-
0.35
0.60-
0.80
1.65-
2.00
0.70-
0.90
0.20-
0.30
-
-
-
Black Forged
& Annealed
MAX
230
Permanently stressed machine, engine & vehicle parts when high strength & toughness are required.
1.3505
0.95-
1.20
MAX
0.040
MAX
0.040
0.20-
0.35
0.25-
0.40
-
1.30-
1.60
-
-
-
-
Black Forged
& Sp
Annealed
180/220
Balls, Rollers & Rings for roller bearings.
1.2327
0.83-
0.90
MAX
0.030
MAX
0.030
0.15-
0.35
0.30-
0.45
-
1.60-
1.90
0.20-
0.35
0.05-
0.15
-
-
Black Forged
& Sp
Annealed
180/220
Cold rolls, back up rolls, straightening rolls, non ferrous 2 & 4 high roll mills.

Grade Equivalent

DIN
STANDARD
BRAZIL
EN
SLOVANIA
ITALY
JIS
S. KOREA
TAIWAN
CZECH
REP.
CHINA
AMERICAN
VP20ISO
40CrMnNiMo864
UTOPNIN
KEYLOS2738
1.2738
HPM MAGIC
HP4A(D2)
GMP20+ Ni[ESR]
LDHN
YTJ21
P-20Ni
VP20ISOF
40CrMnM7
UTOPNEX
KEYLOS2311
1.2311
HPM7
HP4A(D1)
GMP20 [ESR]
GS3D
YTJ20A
P-20
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.2312
VP20ISOFS
40CrMnMoS86
UTOP N
KEYLOS2312
1.2312
PCM40S
--
--
GS3S
-
P-20+Su
1.7225
-
42CrMo4
--
--
--
--
--
--
-
4140
EN-19
1.6582
V4340
En24
--
--
--
--
--
--
BOZD
4340
EN-24
1.3505
V52100
100CrMn6
--
--
--
--
--
--
KLZ
52100
EN-31
1.2327
--
K-310
--
--
--
--
--
--
--
--
--

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+91-22-68520000

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Kushal Metal & Steel Industries