Moulds cores and cavities

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Advantages
Applications

Mould components used to produce plastic parts that vary in size, complexity and applications, for all plastic moulding processes such as: injection, compression, blow and rubber moulding.

Producing high quality injection moulds and plastic parts in a cost effective way is a daily challenge for moldmakers, moulders and OEM.

Superplast® is a complete range of premium mould steels bringing added value to the plastic injection moulding business. Superplast® grades are delivered prehardened from 300 Brinell to 400 Brinell to produce mould cores, cavities and holders.

Superplast® steels are optimal solutions as they provide reliable machining, consistent surface finish and texturing, improved thermal conductivity, easy weld repair and high mechanical strength for a large dimensional range (up to 1300mm thickness).

Superplast® 2738mod. for automotive large-size mould

Superplast® 2738mod. is the optimal time and cost effective mould steel solution. Based on an original chemistry and an optimised process, Superplast® 2738mod. provides added value to the whole customer chain of plastic moulding:

In the following example, our customer needed a large-size mould (550mm-thick) for a dashboard cavity with a special etch-graining pattern finish requirement.

Cavity made of standard W 1.2738 was rejected due to segregation streaks
Cavity made of standard W 1.2738 was rejected due to segregation streaks
Cavity made of Superplast® 2738mod. was approved by end user
Cavity made of Superplast® 2738mod. was approved by end user

Superplast® 2738mod. for Rubber moulding

Thanks to its mettalurgy based on lower carbon content and optimised addition of alloying elements, Superplast® 2738mod. provides a comprehensive solution associating good machinability, high mechanical characteristics and ability to meet surface finish requirements.

In the following example, Superplast® 2738mod. was used to manufacture a rubber mould dedicated to produce metal reinforced rubber seals. “Superplast® 2738mod. is really a quality material with excellent machining conditions and homogeneous hardness”, concluded the customer.

Rough machining of Superplast® 2738mod. plate
Rough machining of Superplast® 2738mod. plate
Rubber mould component after machining
Rubber mould component after machining

INDUSTEEL TRADEMARKS
DIN
W.Nr
AISI
Hardness HB
Hardness HRC
2311 40CrMnMo 7 1,2311 P20 280-325 29-34
2312 40 CrMnMoS 8.6 ≈ P20+S 300
2711
2714 55 NiCrMoV 7 1,2714 360-400 39-43
2738 (P20) 40 CrMnNiMo 8-6-4 1.2738 P20 + Ni 280-325 29-34
Superplast® 2738mod 1.2738mod P20mod 290-330 30-35
Superplast® 2738mod HH 330-360 35-39
Superplast® 400 350-390 38-42