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Mold Making Materials

Mold manufacturing involves a variety of sub-materials, such as mold steel, special alloys, and so on. The choice of materials is crucial for the quality of the mold. High- quality mold making materials can ensure that the mold maintains accuracy and stability over a long period. They also determine the performance of injection molding production, helping to produce good plastic products.

An NDA can be signed if needed before the quotation.

Types and Applications

Brief understanding of mold making materials

For our customers, a basic understanding of mold-making materials can also provide a small help for their own products.

This knowledge facilitates clearer communication and more accurate specifications, enabling our customers to make informed decisions about materials based on their product’s performance, cost, and quality. It helps our customers set realistic expectations for product performance and limitations, understand the general costs of product manufacturing, and plan for potential supply chain issues.

Material Type	Common Grades	Characteristics	Typical Applications
Stainless Steel	420	Corrosion-resistant, hardenable	Medical or food-grade molds
	6061	Good combination of strength, weldability	Non-critical parts, mold bases
Carbon Steel	1018	Good machinability, low cost	Prototype molds
Zinc Alloys	ZA-12	Good strength, lower cost than aluminum	Die casting molds
Pre-Hardened Steel	4140	Good toughness, high fatigue strength	Gear, automotive molds
Chromium Steel	52100	High hardness, wear resistance	High-precision bearings, molds
High-Speed Steel	M2	High heat resistance, wear resistance	High precision molds, cutting tools
	17-4PH	High strength, good corrosion resistance	Aerospace, automotive molds
Aluminum	7075	High strength, lightweight	Prototype, low-volume molds
Beryllium Copper	Alloy 25	High thermal conductivity, strength	Cooling inserts, hot runner systems
	4340	High toughness, high strength	Large molds requiring toughness
	D2	High wear resistance	Stamping molds
	1045	Higher strength, medium carbon steel	Low-volume production molds
	H13	Hot work steel, high toughness	High-volume injection molds
Tool Steel	P20	Pre-hardened, good polishability	General-purpose molds
	S7	Shock-resistant	Molds requiring high impact resistance