
When your operations demand exceptional wear resistance and dimensional stability, selecting the right cold-work tool steel becomes a critical decision. X155CrVMo12-1 steel stands out as a high-carbon, high-chromium alloy designed for the most rigorous industrial applications. Often recognized by its German designation (DIN 1.2379) or its resemblance to AISI D2, this material serves as the backbone for tools and dies that require longevity under high stress.
In the metalworking industry, precision is not just a goal; it is a necessity. Whether you manufacture cutting tools, stamping dies, or precision gauges, the reliability of your raw material directly impacts your production efficiency and tool life. This guide provides you with a complete technical breakdown of X155CrVMo12-1 steel, covering everything from its chemical makeup to its mechanical behavior and heat treatment protocols.
At Nifty Alloys LLC, we understand that sourcing high-performance alloys requires more than just finding a vendor. You need a partner who guarantees traceability, adheres to international standards, and delivers certified materials that keep your projects running smoothly.
X155CrVMo12-1 steel is a high-carbon, high-chromium cold-work tool steel engineered for applications where exceptional wear resistance and dimensional stability are required. Classified under the German DIN standard 1.2379, it closely aligns with the widely used AISI D2 grade. This material is commonly selected for precision tooling, cutting tools, stamping and forming dies, and components facing high abrasive stress in industrial manufacturing environments.
Applications of X155CrVMo12-1
X155CrVMo12-1 Chemical Composition
Features and Benefits
Available Forms and Supply Conditions
X155CrVMo12-1 Mechanical Properties
Heat Treatment of 1.2379 / D2 Steel
X155CrVMo12-1 Material Equivalents
Machinability and Workability
Heat Treatment Guidelines
Calculating X155CrVMo12-1 Weight



Nifty Alloys LLC is a trusted X155CrVMo12-1 tool steel supplier in Dubai, UAE, offering premium quality DIN X155CrVMo12-1 / 1.2379 / AISI D2 cold work tool steel known for its excellent wear resistance, high hardness, and superior dimensional stability. This high-carbon, high-chromium (~12% Cr) alloy provides high compressive strength, strong abrasion resistance, and long tool life, making it ideal for blanking dies, stamping tools, shear blades, punches, and precision cutting applications. X155CrVMo12-1 is the older DIN designation of X153CrMoV12 (1.2379 / D2), widely used in cold work tooling due to its deep hardening properties and minimal distortion after heat treatment. We supply X155CrVMo12-1 steel in round bars, plates, and custom sizes with Mill Test Certificates (MTC) for full traceability and quality assurance. With ready stock and fast delivery, we serve across the UAE (Dubai, Abu Dhabi, Sharjah) and export to Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, along with global exports to Europe, Asia, Africa, and the Americas. For a reliable 1.2379 / D2 tool steel stockist and exporter, Nifty Alloys ensures consistent quality, competitive pricing, and fast delivery.