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Mould cores and cavities
300HB (32 HRC) prehardened grade specialty designed for plastic mold industry, for medium and very large – size moulds and tools with good machinability. Consistent texturing and polishing improved by very low sulphur content and hardness homogeneity. Reliable repair welding and high thermal conductivity.
For which tools
Plastic injection mould cores and cavities, large – size moulds for bumpers, dashboards, television panels, bottle crates, etc.
For which plastics
Thermoplastics (PE, PP, PS), thermosetting plastics, transparent melts. Injection moulding, compression moulding, RIM moulding, etc.
• EN: 40 CrMnNiMo 8-6-4
• Werkstoff: W1.2738
• AISI: ≈ P20 + Ni
Typical values (weight%). Typical Industeel analysis
|C||S max||P max||Si||Mn||Ni||Cr||Mo|
Plates air quenched and tempered for 300 HB.
|7 – 120 mm||1000 – 2500 mm||up to 6 m (20 ft)|
|120 – 700 mm||1000 – 2100 mm|
|700 – 1000 mm||Please contact us|
For more technical details :