| Steel Grade | Uncategorized |
|---|---|
| Length | 19mm-5000mm |
| Width | 19mm-2350mm |
| Thickness | 20mm-900mm |
| Hardness | 32-36 HRC |
| MOQ | 1 piece |
| Lead Time | 1–3 days after confirmation |
| Shipping From | Dongguan City, China |

1.2311 is a pre-hardened plastic mold steel supplied at 32–36 HRC. It offers good machinability and general polishability, with material quality just below 718H and lower nickel content, making it a cost-effective choice for standard plastic molds. It is suitable for plastic mold applications where surface brightness and gloss requirements are not extremely high. Steel blocks can be cut to size according to customer drawings.
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Availability: In stock
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| Steel Grade | Uncategorized |
|---|---|
| Length | 19mm-5000mm |
| Width | 19mm-2350mm |
| Thickness | 20mm-900mm |
| Hardness | 32-36 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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