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Tempered and Pre-hardened is done to 1000Mpa.Whenever for plastic processing mould carrier large moulds ( over 400mm thickness) is used.Pre-hardened plastic mould steels are widely used for manufacturing mould for plastic.
High grade mould base for mirror surface & EDM requirement, rubber moulds, Injection moulds for bottle crates, TV sets housing fames, refrigerator doors, bucket and automobile related compartments, electrical and audio visual related compartments and etc.
| MATERIAL | CHEMISTRY | Application | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AISI/ASTM | EN | DIN | JIS | C | SI | Mn | P | S | Cr | Ni | Mo | |
| P20 + Ni | 40CrMnNiMo8-6-4 | 1.2738 | Pds-5 | 0.40 | 1.50 | - | - | 1.90 | 1.00 | 0.20 | Used for various large-size mirror plastic mould, precision plastic mould, like: cars accessies, home appliances, electronic equipment plastic mould. | |
| P20 | 40CrMnNiMo8-6-4 | 1.2311 | SKT3 | 0.40 | 0.25 | 0.20 | 1.90 | Plastic moulds, mould frames for plastic moulds and pressure casting moulds and recipient sleeves. | ||||
