Plastic Mould Steels
P20
P20 is the international general – purpose plastic mould steel after vacuum degassing and gas electro – Slag – Remelting, it not only contains low sulfur and gas but also has good polishing performance P20 is typically sold in the pre – hardened condition after forged processing and ultrasonic detection without cracks. Typical applications include plastic injection mould, extrusion dies, blow molding mould, and it is suitable for large and medium – sized and precise plastic mould parts, home appliances appearance molds etc Plastic moulds, frames for plastic pressure dies, hydro forming tools.
Available sizes: round: dial6-600, flat: 16-500×200-1200
P20-Ni
It has superior mirror polishing property, delivered I pre-hardened state and allowable for direct mold cutting without further heat treatment. Through distress annealing and surface nitriding treatment, the change in size and hardness are very slight. Typical applications include large plastic products such as electrical home appliances products, computer shell mould, telephone, speakers, PMMA products, etc. Large Plastic moulds high stressed in core, hydro forming tools.
Available sizes: round: dial6-600, flat: 16-500×200-1000