Material Recommendations

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Because of the demand for wear resistance and mechanical strength, grades that are highly wear resistant and capable of achieving higher hardness levels are recommended.

Powder Metallurgically produced mould steel is characterized by a combination of very good wear resistance and corrosion resistance. It is mainly used as insert material within the electronic industry. Use when high wear and corrosion resistance is needed. This material can also be used for engineering applications.


A hot work tool steel designed for applications where AISI S7 has been used in the past, but better texturability, polishability and cleanliness are required, this grade can achieve hardness levels up to 57 HRC with the same high toughness of an S7 alloy. Readily weldable.

Mirrax ESR has been developed to meet the industries increased demand on a mould steel with a combination of toughness, corrosion resistance and ability to reach uniform hardness levels throughout large cross sections. At the same time good surface finishes can be achieved, hardness up to 50 HRC can be obtained.


Orvar Superior is a high performance alloyed steel with a good gross cracking and heat checking resistance. It has a good toughness and ductility in all directions. These materials conform to W. No. 1.2344 / AISI premium H13 / EN X40CrMoV5-1, and meet the Superior and Premium levels of NADCA 207-2003 and 2007.


Stavax ESR is a corrosion resistant mould steel, with very good polishability. Main applications can be found as inserts with demands on high surface finish, corrosion resistance, and hardness up to 52 HRC are required.  Has matching filler rod, Stavax TIG rod. This material conforms to EN X40Cr14. It is close to W. No. 1.2083 / AISI 420 modified.


Vanadis 4 Extra is a high alloyed powder metallurgical tool steel suitable for long run tooling in applications with high demands on adhesive wear and chipping resistance. Vanadis 4 Extra is the best tool steel for long runs in applications with severe chipping problems.


Uddeholm Vanadis 6 is a high alloyed powder metallurgical tool steel suitable for long run tooling in applications with high demands on mixed wear (abrasive/ adhesive) and chipping resistance.