SSA2738HH Pre-Hardened Plastic Mould Steel

Type of steel and characteristics:
SSA2738HH is pre-hardened grade specially designed for plastic mould industry. Chromium, Molybdenum, Manganese with addition of Nickel to enhance hardenability. The cleanliness of the steel makes the steel particularly well adapted for polishing or chemical etching.

Mould, mould insert with no heat treatment required, good polishability, good machinability, good photoetching properties, high strength and high toughness. Guide ring, mounting plate, ejector plate, ejector pin and retainer plate. Gas and bath nitrating as well as case hardening are possible

718HH Steel Supplier in Malaysia

Experience excellence with Special Steel, the leading specialty steel supplier in Malaysia renowned for providing top-quality 718HH steels, also known as SSA2738HH Pre-Hardened Plastic Mould Steel.

SSA2738HH, alternatively known as P20HH Steel, AISI P20+Ni, or 718HH steel, is specifically crafted for the plastic mold industry. It boasts high hardness, excellent polishability, outstanding wear resistance, and exceptional machinability. Its composition includes chromium, molybdenum, manganese, and nickel, making it ideal for molding plastic applications. As a pre-hardened steel, it eliminates the need for additional heat treatment, reducing production time and costs. SSA2738HH’s benefits include ease of machining, superb polishability, and superior wear resistance, making it a preferred choice in plastic mold manufacturing.

Rely on Special Steel’s 35 years of expertise, diverse product range, and dedication to promptly meeting clients’ requirements. Enhance your molding projects with the unmatched quality of Special Steel, your trusted industry leader.


Chemical Composition (%) C Si Mn Cr Mo Ni
0.35-0.45 0.20-0.40 1.30-1.60 1.80-2.10 0.15-0.25 0.90-1.20
Nearest Equivalent AISI P20 + Ni DIN 40CrMnNiMo8-6-4

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