| Steel Grade | 10Ni3MnCuAl |
|---|---|
| Length | 19mm-5000mm |
| Width | 19mm-2350mm |
| Thickness | 20mm-900mm |
| Hardness | 38-42 HRC |
| MOQ | 1 piece |
| Lead Time | 1–3 days after confirmation |
| Shipping From | Dongguan City, China |

10Ni3MnCuAl pre-hardened plastic mold steel has a delivered hardness of 38–42 HRC. With the addition of copper and aluminum elements, it features excellent machinability and can achieve mirror polishing up to #8000, coupled with outstanding dimensional stability and superior texturing performance. It is suitable for mirror polishing molds, EDM molds for automotive parts, thin sheet blanking dies, etc. We provide one-stop processing services, including ground plate customization, heat treatment, and precision cutting.
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| Steel Grade | 10Ni3MnCuAl |
|---|---|
| Length | 19mm-5000mm |
| Width | 19mm-2350mm |
| Thickness | 20mm-900mm |
| Hardness | 38-42 HRC |
| MOQ | 1 piece |
| Lead Time | 1–3 days after confirmation |
| Shipping From | Dongguan City, China |
Full Machining Services
Comprehensive machining capabilities for complete mold steel processing.
Equipped with advanced machinery to ensure quality, precision, and consistency.
















With over 17 years of hands-on experience, we understand mold factories' technical and delivery needs at every stage.
We support orders starting from a single piece — ideal for prototyping, urgent repairs, or small-batch production.
Our 24/7 workshop ensures most orders are processed within 1–3 working days. Same-day delivery is available in Dongguan.
From cutting, CNC milling, and grinding to heat treatment — we provide full-service mold steel machining.
We maintain a stable stock of popular steel grades, such as NAK80, P20, and S136, ensuring a quick turnaround without delays.
Every piece undergoes hardness testing and dimensional checks. Material certificates and inspection reports are available upon request.
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