Product Description
Mould steel is a specialized tool steel designed for manufacturing dies and moulds used in injection molding, die-casting, hot forging, stamping, and forming applications. During production, moulds are subjected to repeated pressure, impact, heat, friction and cooling-heating cycles. Therefore, mould steel must deliver outstanding hardness, wear resistance, toughness, heat resistance and dimensional stability to guarantee long service life, consistent accuracy and surface quality of the final product.
Key advantages
1.Longer mould life and reduced maintenance
2.Higher molding efficiency and output stability
3.Precision dimensional control and surface finish
4.Reliability under high temperature and cyclic loading
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Mould Steel Classification & Common Grades |
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Category |
Common Grades |
Key Properties |
Typical Applications |
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Cold Work Mould Steel |
D2, SKD11, Cr12MoV |
High hardness, excellent wear resistance, high compressive strength |
Blanking dies, stamping dies, cold forming dies, shear blades |
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Hot Work Mould Steel |
H13, H11 |
Strong thermal fatigue resistance, impact resistance, heat crack resistance |
Die-casting dies, extrusion dies, hot forging dies |
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Plastic Mould Steel |
P20, 718, S136 |
Good machinability, polishing performance and corrosion resistance |
Injection moulds, transparent moulds, mirror finish moulds |
Applications
Mould steel is widely used in automotive parts, household appliances, electronics, packaging, hardware tools, machinery, optical components, and various industrial products.
1. Injection moulds (plastic products, optical components, daily appliances)
2. Die-casting dies (automotive aluminum parts, hardware)
3. Hot forging dies (tools, machinery parts)
4. Cold punching & forming dies (steel sheet processing)
5. Extrusion dies and wear-resistant tooling