Plastic Mould Steels

Plastic Mould Steels – P20 (pre-hardened steel) 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

Plastic Mould Steels – P20 is suitable for large and medium – sized and precise plastic mould parts, home appliances appearance molds, etc.

Available size:

• Round steel bar 60-800mm
• Flat steel bar 25-400mm*200-800mm

Surface condition: Black surface/ Grinded/ Machined

Hardness of P20 Alloy Steel Bar: Q+T 50-54 HRC

Characteristics:

P20 alloy steel bar is with good toughness properties, easy to machine, better polishability than 1.2312, dimensional stability flame hardenable, good photoengraving properties.

Applications:

P20 alloy steel bar is used for plastic moulds, frames for plastic pressure dies, hydroforming tools.