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What is the performance of P20 mold steel？
Release time:2023-10-17
What is the performance of P20 mold steel？
P20 mold steel is a type of mold welding consumables, the earliest is P20, followed by P20H, P20Ni came out one after another. So, P20 mold steel performance how?
P20 mold steel performance characteristics
1. P20 mold steel has the physical properties of uniform hardness, as well as good polishing performance and photo-etching etching performance, and P20 mold steel processing performance is excellent. Therefore, it is suitable for plastic molds and mold frames for TV front case, telephone, water dispenser, vacuum cleaner and so on.
2. through the vacuum degassing refining treatment to make P20 mold steel steel pure, more suitable for the requirements of polishing or etching processing plastic mold. Such as: TV set shell, refrigerator inner shell.
3. P20 mold steel has been pre-hardened to 285-330HB (30-36HRC), without heat treatment can be used directly for mold processing, greatly shortening the period, saving its operating costs. And P20 mold steel has the characteristics of good dimensional stability, pre-hardened steel to meet the needs of general-purpose, mold life up to 50W die times. Apply to thermoplastic plastic injection molds, extrusion molds.
4. P20 die steel by forging and rolling process after its physical properties of dense organization, with ultrasonic testing can be found P20 die steel without air holes and pinhole defects. Therefore used in the production of washing machines, buckets and other molds that require strong sealing.
Note: P20 steel is suitable for making plastic molds and die casting low melting point metal mold materials. This steel has good machinability and mirror grinding properties.
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