P20+NI

P20+NI

P20+NI

Nickel-Enhanced Plastic Mould Steel P20+NI

P20+NI is a pre-hardened plastic mould steel enhanced with nickel for improved toughness and polishability. It provides uniform hardness through sections and strong resistance to cracking. The grade supports stable EDM performance and consistent dimensional stability. Nickel addition improves surface finish and weldability for mold repairs. P20+NI is widely used for injection moulds, mould bases, and die holders. It performs well in medium to high-run plastic tooling and low-pressure die casting tools. Built for reliability, P20+NI helps reduce lead time and improve mold surface quality.

Key Features

  • Pre-hardened for faster mold production
  • Improved toughness from nickel addition
  • Better polishability and surface finish
  • Uniform hardness through sections
  • Good weldability for mold repairs
STANDARDS AISI DIN ISO GB

Chemical Composition (Typical Analysis in %)

Element C Si Mn P S Cr Ni Mo
Range 0.35-0.45 0.20-0.40 1.30-1.60 0.030 max 0.030 max 1.80-2.10 1.90-1.20 0.15-0.35

Steel Properties

  • P20+Ni is an upgraded version of 2311 plastic mould steel, which is normally supplied in pre-hardened condition
  • Hardness in as provided condition 280-320 HB
  • Additional nickel content of 1% increases through hardening
  • P20+Ni can be micro-alloyed
  • Good machinability
  • Suitable for texturing
  • Outstanding Polish ability
  • Corrosion resistance
  • Vacuum-degassed steel with the following excellent features.

Applications

P20+Ni is an equivalent grade of most popular steel grade of DIN 2738 which is applicable for large & small plastic mould dies. It is utilized for automotive industries, bolster plates for presses, dies for domestic goods, die holders and shoe blocks for drop hammers, high finishing plastic die, forging dies, press cassettes, up setter blocker, different dies and moulds for plastic products etc.

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