Metals

Steel

Steel Options

Steel Chart

Material

Hardness

Characteristics

Applications

Supplier Name

Nak80

Prehardened to HB344 – 400

Age hardening steel with high delivery hardness; excellent texturing and EDM properties; can be polished up to #8000

Plastic injection mould for medium production run with high polishing and texturing requirement; not suitable for moulding corrosive resins

Daido

IMPAX 718H

Prehardened to HB330 – 380

Homogenous microstructure, stable quality, good texturing and EDM property

Plastic injection mould for medium production run and PS, PE, PP, ABS and other non-corrosive resins

ASSAB

NIMAX

Prehardened to HB360 – 400

Good polishing and texturing properties. Superior EDM-ability and machinability. High toughness and good weldability

Plastic injection mould for various applications such as LCD TV panels, interior part for automobile, engineering components and those resins without corrosive property

S136(STAVAX ESR)

Annealed to HB200

High purity with fine microstructure, can be polished to mirror finish. Excellent corrosion resistance and low deformation during heat treatment

Plastic injection mould with small to medium size, long production run and high polishing requirement, e.g. PMMA, PC, resins such as PVC, PA, POM or additives with corrosive property, machine part for food processing machinery

S136H 

Prehardened to HB290 – 330

Plastic injection mould with small to medium size, medium production run and high polishing requirement, e.g. PMMA, PC, resins such as PVC, PA, POM or additives with corrosive property, machine part for food processing machinery

(STAVAX ESR

IMPAX 718H

Prehardened to HB330 – 380

Homogenous microstructure, stable quality, good texturing and EDM property

Plastic injection mould for medium production run and PS, PE, PP, ABS and other non-corrosive resins

DIEVAR 8418

Annealed to HB160

High purity, good high-temperature strength, outstanding temperature resistance and excellent resistance to heat checking, excellent hardenability, good dimensional stability during hardening

High demand light-alloy die casting die, hot forging inserts, extrusion dies with long production run

ORVAR 8407

Annealed to HB185

High purity, high toughness and good resistance to thermal fatigue

Die casting die, extrusion die, through-hardened plastic mould for PA, POM,PS, PE, EP and other non-corrosive plastics

LKM P20M

Prehardened to HB260 – 350

Economical choice of pre-hardened plastic mould steel

Mould base/plate with high strength requirement for plastic injection mould; core/movable part of plastic injection mould without high surface finish requirement

LKM

LKM2311

Prehardened to HB280 – 325

Pre-hardened plastic mould steel

Mould base/plate with high strength requirement for plastic injection mould; core/movable part of plastic injection mould without high surface finish requirement

LKM2312

Prehardened to HB280 – 325

Excellent machinability

Mould base/plate with requirement of high strength and high volume/speed machining for plastic injection mould

LKM738

Prehardened to HB290 – 330

Modified version of conventional AISI P20 plastic mould steel with Ni added to increase through hardening property

Plastic injection mould for medium production run and PS, PE, PP, ABS and other non-corrosive resins

LKM2343

Annealed to HB229(max)

High toughness and good heat resistance; good resistance to heat checking and good through hardening property

Light-alloy die casting die, Al alloy extrusion die, components for die casting, e.g. nozzles; through-hardened plastic injection mould for non-corrosive resins

LKM2343 ESR

Annealed to HB229(max)

Homogenous structure and good isotropic property. High toughness and good heat resistance, good resistance to heat checking, excellent through hardening property and mirror polishability

Light-alloy die casting die, Al alloy extrusion die, components for die casting, e.g. nozzles; through-hardened plastic injection mould for non-corrosive resins with high surface finish requirement

LKM2344

Annealed to HB225(max)

High toughness and good heat resistance, good resistance to heat checking and through hardening property

Light-alloy die casting die, Al alloy extrusion die, components for die casting, e.g. nozzles; through-hardened plastic injection mould for non-corrosive resins

LKM2344 ESR

Annealed to HB225(max)

Homogenous structure and good isotropic property. High toughness and good heat resistance, good resistance to heat checking, excellent through hardening property and mirror polishability

Light-alloy die casting die, Al alloy extrusion die, components for die casting, e.g. nozzles; through-hardened plastic injection mould for non-corrosive resins with high surface finish requirement