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DC53 Steel – High-Performance Tool Steel by Aobo Steel

DC53 steel is a high-chromium steel and a general-purpose high-toughness cold-work die steel. After quenching and tempering at 520-530°C, its hardness can reach 62-63 HRC, which is higher than that of SKD11 steel. Although its hardness is 2-3 HRC higher, its wear resistance is greatly improved, and its impact toughness is significantly enhanced, making it an excellent steel grade to replace D2.

Aobo Steel specializes in DC53 steel, which is available in round bar and plate forms. The composition and properties of the DC53 we supply fully comply with the standards.

Application Scenarios

Blanking dies, cold forming dies, cold drawing dies, forming roll punches, and cold extrusion dies are essential for shaping and cutting materials in cold-working processes.

Precision blanking and various types of stamping dies for wire cutting processing are ideal for intricate and accurate cutting tasks.

Plastic deformation dies for difficult-to-machine materials: This includes cold forging, deep drawing, and thread rolling dies, as well as high-speed blanking punches and stainless steel sheet punches, suited for challenging material processing.

Cold stamping dies requiring high wear resistance, hardness, and toughness are perfect for demanding stamping operations that require durability and strength.

Dies with higher performance requirements than D2 steel and molds needing exceptional toughness: DC53 offers superior performance and excellent cost-effectiveness in these scenarios.

Large molds and precision molds: Suitable for applications where size and precision are critical.

Why choose Aobo Steel as your DC53 supplier

Under the premise of ensuring quality, our prices are approximately 3% lower than the market price.

Before shipment, all goods undergo 100% strict chemical, UT, and hardness testing.

With over 20 years of experience in forged tool steel production, we have a deep understanding of our products.

DC53 material properties

Dc53 steel composition

Element	Carbon (C)	Silicon (Si)	Manganese (Mn)	Cromo (Cr)	Molibdeno (Mo)	Vanadium (V)
Percentage (%)	0.90 – 1.10	1	0.4	8	2	0.3

Dc53 heat treatment

Quenching and Tempering Specifications

Quenching Temperature: 940–960°C

Tempering Temperature: 180–220°C

Hardness: 60–62 HRC

The benefits of DC53

Higher Hardness: DC53 achieves a higher hardness (62-64 HRc) after heat treatment than D2 steel.
Superior Toughness: It boasts twice the toughness of D2 steel, leading to improved durability and reduced chipping and cracking in dies.
High Fatigue Strength: DC53 exhibits substantially higher fatigue strength than D2, making it suitable for repetitive stress applications.

DC53 steel VS D2

DC53 and D2 are both cold work die steels; we will compare their information.

Property	DC53 Steel	D2 Steel
Composition	C: 0.95%, Cr: 8.0%, Mo: 2.0%, V: 0.3%, Si: 1.0%, Mn: 0.4%, Fe: Balance	C: 1.40-1.60%, Cr: 10.00-13.00%, Mo: 0.70-1.20%, V: 0.90%, Si: 0.60%, Mn: 0.60%, Fe: Balance
Hardness (HRC)	62-64	55-62
Toughness	High, twice that of D2	Good, less than DC53
Wear Resistance	Better, due to smaller carbides	Excellent, standard for cold work
Machinability	Easy, 20-40% faster than D2	Difficult, abrasive, work hardens
Corrosion Resistance	Poor, requires maintenance	Poor, slightly better due to higher Cr
Heat Treatment	Air-hardening, less residual stress	Air-hardening, standard process
Cost	Potentially higher, modern development	Lower, well-established standard
Availability	Less common outside Asia	Widely available globally
Typical Uses	Precision dies, molds, punches	Cutting tools, shear blades, punches

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