Plastic mould steels
Plastic moulding places special demands on the tool material. At Uddeholm we know the challenges of the plastics industry very well. With those challenges in mind, we have developed tool materials with the following properties:
- Corrosion resistance
- Wear resistance
- Polishability
- Toughness
A material with the right combination of properties gives your tools a longer life and brings your company more profit.
Alumec 89
A high-strength aluminium alloy that is very strong and durable. It is supplied as hot-rolled and heat-treated plate and bar.
Uddeholm Corrax
Uddeholm Corrax is a precipitation-hardening steel, fully corrosion resistant and easy to heat treat. It is used both as a mould material and as a construction steel.
Uddeholm Elmax SuperClean
This is a powder-metallurgy mould steel with corrosion resistance and very good wear resistance. It is used mainly for replaceable cutting edges in the electronics industry. Use Uddeholm Elmax SuperClean when you need a material that resists corrosion and wears well. It is also suitable for engineering applications.
Uddeholm Fermo is a medium-alloy tool steel for shorter runs of larger structural parts in blanking and forming, where the cutting edges are flame- or induction-hardened. Uddeholm Fermo is supplied pre-hardened.
Uddeholm Holdax
This is a pre-hardened steel with very good machinability, good compressive strength and uniform hardness through the section. It is used mainly for holder plates in the plastics industry. Uddeholm Holdax can also be used in engineering. The material corresponds to grade 1.2312.
Uddeholm Impax Supreme
A pre-hardened mould steel that polishes and photoetches very well. It is suitable for a wide range of plastic injection moulds, blow moulds and extrusion dies for the plastics industry. Uddeholm Impax Supreme is supplied at 290–330 HB. The material corresponds to grade 1.2738/AISI P20.
Uddeholm Orvar Supreme
Uddeholm Orvar Supreme is a high-performance alloy steel with very good resistance to heat checking and cracking. It has good toughness and ductility in all directions. It corresponds to grade 1.2344 / AISI premium H13 / EN X40CrMoV5-1.
Uddeholm Polmax
Uddeholm Polmax is a through-hardening, corrosion-resistant mould steel with excellent polishability, good corrosion resistance and good machinability. It is widely used for moulds for lenses, laser discs and memory discs, and in medical applications. The material corresponds to grade 1.2083/AISI 420.
Uddeholm Ramax HH
A newer corrosion-resistant steel for holder parts. It machines well and is supplied pre-hardened. Good machinability and corrosion resistance significantly reduce tool manufacturing and maintenance costs.
Uddeholm Stavax ESR
Uddeholm Stavax ESR is a corrosion-resistant mould steel with good polishability. It is also used as the main material for replaceable cutting edges in the medical industry, where surface finish requirements are high and maintenance costs must stay low. It corresponds to grade 1.2083/AISI 420.
Uddeholm Unimax
Uddeholm Unimax combines toughness and wear resistance and is suitable for many tooling applications in both cold and hot work. It is widely used for plastic moulds and for tools that operate under severe conditions.
Uddeholm Vanadis 4 Extra SuperClean
Uddeholm Vanadis 4 Extra SuperClean is a high-alloy powder-metallurgy tool steel for long production runs where high resistance to adhesive wear and cracking is required. It is the best tool steel for long runs where cracking is the main problem.