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d2 (1.2379) tool steel

High strength tool and die steels engineered for precision, durability, and performance in demanding industrial applications.

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d2 (1.2379) tool steel

d2-1-2379-tool-steel-product-image

D2 tool steel (1.2379) is a high carbon, high chromium cold work tool steel offering exceptional wear resistance, dimensional stability, and hardenability. It performs reliably in long run tooling and high abrasion applications.

Key Features

This tool steel material delivers outstanding abrasive wear resistance and excellent shape retention during hardening. It is ideal for medium to heavy duty cold work tooling where precision and extended wear life are critical.

Typical Applications
  • Blanking, forming and trim dies
  • Slitting cutters and shear blades
  • Thread rolling dies and extrusion tooling
  • Machine knives and wear parts
  • Tools for cold work and high abrasion operations
Forms of Supply

Supplied in annealed condition (~255 HB) as round bars, flats, squares, and blocks. Best Metal Steel Trading LLC offers machining, hardening, and custom sizing with delivery across the Saudi Arabia, UAE, Oman and Middle East.

d2-1-2379-tool-steel-product-image

D2 tool steel (1.2379) is a high carbon, high chromium cold work steel designed for medium to heavy duty tooling. It offers exceptional wear resistance, dimensional stability, and hardenability, making it suitable for long run tooling and high abrasion applications.

 

This tool steel material maintains precision and shape under repeated hardening and high stress operations. As part of our ferrous metals range, we are trusted D2 tool steel distributors and leading metal traders, supplying D2 steel to our clients in Saudi Arabia, UAE and Oman. The steel is ready for machining or heat treatment to meet demanding project requirements.

Key Advantages & Applications
  • Outstanding abrasive wear resistance for cold work tooling
  • Excellent dimensional stability and shape retention after hardening
  • Suitable for blanking, forming, and trim dies
  • Ideal for slitting cutters, shear blades, and thread rolling dies
  • Perfect for machine knives, extrusion tooling, and high abrasion components

Technical Specifications

Chemical Composition
  • Carbon (C): 1.45-1.60% – High carbon content provides strong carbide network for wear resistance.
  • Chromium (Cr): 11.00-13.00% – High chromium ensures hardenability, wear resistance and dimensional stability.
  • Molybdenum (Mo): 0.70-1.20% – Adds toughness and elevated temperature strength.
  • Vanadium (V): 0.70-1.10% – Refines grain structure and boosts wear resistance.
  • Manganese (Mn): 0.20-0.60% – Supports toughness and alloying effectiveness.
  • Silicon (Si): 0.10-0.60% – Provides deoxidation and adds strength.
  • Phosphorus (P): ≤ 0.03% – Keeps brittleness low.
  • Sulfur (S): ≤ 0.03% – Maintains steel quality and machinability.
Treatment
  • Soft-Annealing: Heat to approx. 820-870°C, hold as per section, then furnace-cool to ~600°C, followed by air cooling to achieve ≤ ~255 HB for machining readiness.
  • Hardening: Austenitise at ~1000-1040°C, then air, oil or vacuum quench depending on section size; achieves hardness ~60-62 HRC.
  • Tempering: Repeated tempering cycles between ~150-550°C to balance hardness and toughness; final hardness range ~55-62 HRC depending on variant.
  • Finishing & Coating: Excellent for nitriding, PVD/CVD coatings or mirror surface polishing thanks to high-alloy structure and wear resistance.

Technical Assistance

Our expert team and in-house metallurgists are available to provide guidance on any technical queries. At Silver Metal, we combine extensive industry knowledge with rigorous quality control to ensure every product meets the highest standards.

Silver Metal supplies high-quality metals and materials for a wide range of industries, including construction, oil & gas, manufacturing, and architectural projects across the UAE and Gulf region.

Yes! We offer tailored solutions and processing options to meet your exact project requirements. Our team can guide you through customization for all our products.

Absolutely. Each product comes with detailed technical datasheets, and our in-house metallurgists are available to assist with any technical queries.

You can easily contact our team via the website to request a quote or discuss your project. We provide professional support to ensure your requirements are met accurately and efficiently.

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Custom Orders & Support

Looking for a specific grade, finish, or size? Our team provides tailored metal solutions to match your project requirements. Contact us today.

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