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DIN 1.2379 Steel Supplier in Delhi | Premium Cold Work Tool Steel
Introduction to DIN 1.2379 Steel
DIN 1.2379, is a high-carbon, high-chromium cold work tool steel renowned for its exceptional wear resistance and high compressive strength. It is one of the most widely used and versatile tool steels in the world, prized for its ability to hold a sharp edge and its dimensional stability during heat treatment. As a trusted iron and steel stockist in Mundka, Delhi, Jupiter Steels provides high-quality DIN 1.2379 steel to support the demanding requirements of various industries.
Chemical Composition of DIN 1.2379 Steel
The outstanding performance of 1.2379 tool steel is a direct result of its carefully balanced chemistry. The key alloying elements and their typical weight percentages are:
- Carbon (C): 1.45 – 1.60%
- Chromium (Cr): 11.00 – 13.00%
- Molybdenum (Mo): 0.70 – 1.20%
- Vanadium (V): 0.70 – 1.10%
- Silicon (Si): 0.20 – 0.50%
- Manganese (Mn): 0.20 – 0.50%
Functioning and Reasoning of Chemical Elements
- High Carbon & Chromium: The combination of high carbon and very high chromium content is the defining feature of 1.2379 steel. Together, they form a large volume of extremely hard chromium carbides. It is these carbides that provide the steel with its extraordinary abrasion resistance and ability to maintain a sharp edge, making it perfect for long production runs.
- Molybdenum (Mo) & Vanadium (V): Molybdenum adds to the steel’s hardenability and wear resistance. Vanadium forms its own carbides, which are even harder than chromium carbides, further boosting the steel’s resistance to wear and abrasion, which is essential for tooling.
Hardness, Properties, and Applications of 1.2379
Hardness
After heat treatment, DIN 1.2379 steel can achieve a high working hardness, typically in the range of 58-62 HRC. This hardness is critical for its performance in cutting and forming applications.
Properties
- Exceptional Wear Resistance: This is its most well-known property. The high volume of carbides makes it highly resistant to abrasive wear, extending the life of tools.
- Good Dimensional Stability: It is an air-hardening steel, meaning it can be hardened with a controlled cooling process, which significantly reduces the risk of warping or cracking compared to oil-hardening steels.
- High Compressive Strength: It can withstand heavy compressive loads without deforming, making it ideal for stamping and forming dies.
Applications
1.2379 tool steel is extensively used in cold work tooling for cutting, blanking, forming, and stamping. Key applications include:
- Blanking and Stamping Dies
- Shear Blades for cutting sheet metal
- Forming Rolls and Drawing Dies
- Fine Blanking Dies
- Woodworking Tools and Slitting Cutters
Why Choose Jupiter Steels for DIN 1.2379?
As a reliable iron and steel stockist in Mundka, Delhi, Jupiter Steels is your premier partner. We offer:
- Certified Quality: We supply high-quality, certified DIN 1.2379 steel sourced from reputable mills. Our Google My Business profile confirms our commitment to quality and customer trust.
- Expertise: Our team has deep product knowledge and can assist you in selecting the right grade and size of steel for your specific application, ensuring optimal performance.
- Ready Inventory: We maintain a large and varied stock, ensuring you get the materials you need quickly and efficiently, keeping your projects on track.
DIN 1.2379 Steel FAQ Section
Q1: What is the main difference between DIN 1.2379 and DIN 1.2080 (D3)? A: Both are high-carbon, high-chromium steels. The primary difference is that DIN 1.2379 (D2) is air-hardening, offering better toughness and less risk of distortion during heat treatment. DIN 1.2080 (D3) is oil-hardening and generally has slightly higher wear resistance but is more prone to cracking.
Q2: Is DIN 1.2379 suitable for making custom knives? A: Yes, DIN 1.2379 (D2) is a very popular choice for knifemakers, especially for heavy-duty knives and those requiring excellent edge retention. While it can be more challenging to sharpen than other steels, its superior wear resistance makes it ideal for hard-use applications.
Q3: Can DIN 1.2379 be used for hot work? A: No, DIN 1.2379 is a cold work tool steel and is not designed to retain hardness at elevated temperatures. For hot work applications, steels like DIN 1.2344 (H13) are the correct choice.
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