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Plastic mould steel

Plastic mould steel
Plastic mould steel
Product Code : 14
Product Description

Plastic mould steel

Plastic product use the increased manifold. This has resulted in similar increase in use of steels for making plastic moulds. Plastic mould steel is mainly used in pre-hardened condition, which enables the customer to directly use the steel by only die cutting it. The particular advantages of this grade of steel is that it saves hardenign after machining and can be used for very large dimensions in as-supplied condition.

Applications

  • Moulds for plastic products
  • Mould inserts
  • Mould cores exposed to high flexural stresses
  • Extruder screws
  • Highly stressed components in aeronautical engineering

The growing demands on shape, function, surface finish, decorativeness, aestheties and all-round product quality require the plastic mould and the steel it is made of to be of top quality. Therefore, manufacturers of plastic products need dies with a long operation period that will retain their high standard quality on a continuous basis.

Equivalent grades

American (AISI)

(W.Nr)

German (DIN)

Bohler

Assab

P-20

1.2311

40CrMnM07

W330

718

P-20+S

1.2312

40CrMnMoS8-6

M200

HOLDAX

P-20+Ni

1.2738

40CrMnNiMo8-6-4


IMPAX

Chemical Composition


C

Si

Mn

P

S

Cr

Mo

Ni

W

1.2311

0.35-0.45

0.20-0.040

1.30-1.60

0.035 max

0.035 max

1.80-2.10

0.15-0.25



1.2312

0.35-0.45

0.30-0.050

1.40-1.60

0.030 max

0.05-0.10

1.80-2.10

0.15-0.25



1.2738

0.35-0.45

0.20-0.40

1.30-1.60

0.035 max

0.035 max

1.80-2.10

0.15-0.25

0.90-1.20


Qualities

  • Excellent thermal conductivity
  • Excellent machinability & polishability
  • Dimensional stability
  • Uniform and high core hardness
  • Corrosion resistance
  • High wear resistance

Moulds made of these steels also offer very good repair weldability, they require only little maintenance and upkeep, while the properties remain the same throughout the entire service life of the mould. For all, this means high service life quantities and low mould costs per unit.



B. K. STEEL COMPANY
No. 13- A, Industrial Estate, Link Road, Opposite K. W. Cycle, Ludhiana - 141003, Punjab, India
Mr. Manish Maddan (Proprietor)
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