DC53 tool steel is an advanced cold work tool steel. It is widely used in blanking dies, punching tools, shear blades, slitting knives, and wear-resistant components.
DC53 offers an excellent combination of high hardness, superior wear resistance, improved toughness, and outstanding dimensional stability. Compared with conventional cold work tool steels, it provides longer tool life, better crack resistance, and more reliable performance under high-load conditions.
With an optimized alloy system including chromium (Cr), molybdenum (Mo), vanadium (V), and silicon (Si), DC53 achieves a refined carbide structure. This improves wear resistance, hardenability, and fatigue strength, making it an ideal material for precision tooling and heavy-duty cold work applications.
Blanking dies and punching dies
Cold forming and drawing dies
Cold extrusion and heading dies
Shear blades and industrial cutting tools
| ZEICIN Grade | GB | AISI | JIS | DIN | ASSAB | BOHLER | HITACHI | DAIDO | NACHI |
DC53 | Cr8Mo1VSi | – | DC53 | – | – | K340 | SLD8 | – | – |
| C | Cr | Mn | Si | Mo | S | P | V |
| 0.95-1.05 | 8.00-8.75 | 0.35–0.45 | 0.90-1.10 | 2.00-2.50 | ≤0.015 | ≤0.03 | 0.40-0.60 |
Preheat in two stages: ~850°C and ~1050°C to ensure uniform temperature distribution and reduce thermal stress.
Heat to 1020–1040°C, then air cool or oil quench to obtain a hardened structure. Typical hardness after quenching: HRC 61–63.
Low-temperature tempering: 180–200°C (twice) → hardness ~HRC 62–63; High-temperature tempering: 520–530°C (twice) → hardness ~HRC 62–64
ZEICIN Steel provides DC53 cold work tool steel in a wide range of product forms, including round bar, flat bar, square bar, and steel plate. Available surface conditions include black, annealed, shot blasted, milled, peeled, turned, and ground to meet different tooling, machining, and industrial application needs.
We provide custom sizes, tailored processing options, and stable bulk supply, helping customers meet different industrial and tooling requirements efficiently.
| Type | Specification (mm) | Surface Condition |
| Round Bar | Φ20–300 or Customized | Black / Ground / Turned / Peeled |
| Flat Bar | (20-200)*(200-610)*(2500-5800) | Annerled / Shot-Blasted / Milled |
| Square Bar | (20-200)*(20-200)*(2500-5800) | Annerled / Milled / Black |
| Steel Plate | (50-200)*(210-610)*(2500-5800) | Black / Sandblasted / Granding |
Different surface conditions affect appearance, dimensional accuracy, and machining allowance. The images below show common delivery options (actual products may vary by size and batch).
ZEICIN STEEL specializes in high-performance cold-work tool steels such as DC53. Our focus is on cleaner steel, uniform carbide distribution, stable heat treatment response, and improved wear resistance, ensuring longer tool life and consistent batch performance.
Our R&D team participates in national-level research programs and advanced technology projects. With strong technical support, we continuously improve the performance and reliability of high-performance tool steels.
We adopt advanced refining routes such as EAF + LF + VD + ESR, which improve steel cleanliness, reduce segregation, and enhance microstructure uniformity. This ensures better wear resistance and consistent performance.
We specialize in cold work tool steels such as D2 for dies, punches, shear blades, and wear-resistant components. Our materials provide high hardness, excellent wear resistance, and stable dimensional performance in demanding industrial environments.
“We use ZEICIN tool steels for our blanking dies. The wear resistance and dimensional stability are excellent, and tool life is much longer than before.”
“ZEICIN tool steels deliver high hardness and consistent cutting performance. The quality is reliable, and delivery is always on time for our production needs.”
“Stable quality and excellent heat treatment response. The materials perform very well in our punching tools and wear parts during long-term use.”
Yes. We are a factory. ZEICIN STEEL produces high-quality, cost-effective special steels, including stainless steel, tool & die steel, and high-speed steel. We also have our own import/export license, so we can serve overseas customers directly and support stable supply with batch traceability.
Yes. For first-time cooperation, we can provide a limited quantity of samples for verification (such as grade confirmation, machining trials, or heat-treatment evaluation). Samples can be shipped by international courier, and the courier cost is paid by the buyer. We value honest cooperation and look forward to a long-term win-win partnership.
Our common international payment methods include T/T and L/C. For trade terms, we can also support options such as DDU based on the order. The final payment method and terms can be confirmed according to your country/region, order value, and delivery method.
Our products use standard industrial packaging to ensure safe transportation. If you need custom packaging, please let us know when placing your order.
If the products are in stock, delivery usually takes 5–7 days.
If the products are not in stock, delivery time is about 30–40 days, depending on the order quantity.
