| Steel Grade | D3 |
|---|---|
| Length | 19mm-5000mm |
| Width | 19mm-2350mm |
| Thickness | 20mm-900mm |
| Hardness | 58-60 HRC |
| MOQ | 1 piece |
| Lead Time | 1–3 days after confirmation |
| Shipping From | Dongguan City, China |

D3 hardware stamping die steel is a high-carbon, high-chromium alloy cold work tool steel refined by vacuum degassing, ensuring excellent steel cleanliness. It achieves a quenching hardness of 58–60 HRC, with good hardenability, minimal distortion, uniform carbide distribution, high wear resistance, and high toughness, making it resistant to cracking. It is suitable for cutting dies, thin steel sheet blanking dies, cold extrusion dies, etc. We offer one-stop services including fixed-length cutting, CNC machining, and heat treatment.
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| Steel Grade | D3 |
|---|---|
| Length | 19mm-5000mm |
| Width | 19mm-2350mm |
| Thickness | 20mm-900mm |
| Hardness | 58-60 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.
















Ample stock available and a wide range of models to choose from for your mold steel requirements.
Factors: grade · thickness · length/weight. Example: P20, 30×100×500 mm, Qty 2 → From US$ — (cut & pack)
Professional mold steel wholesale supplier with extensive inventory, competitive pricing, and reliable quality. Get cut-to-size steel bars delivered on time.
Get a QuoteCut-only: 1–3 days to ship. + Heat treatment: 5–7 days. Door-to-door: 5–10 business days (US/EU/AU)
Tolerance: ±1–2 mm. Guarantee: Free re-cut or refund if out of spec.