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Our A2 cold work tool steel, also widely recognized by its equivalent grades 1.2363 and SKD12, stands as a versatile solution in the tooling industry. It is formulated as an air-hardening material containing approximately five percent chromium. This specific chemical composition provides an optimal balance between wear resistance and operational toughness. Choosing our tool steel means investing in a reliable material that consistently bridges the gap between different tooling requirements without compromising structural integrity.
Production Route: | EAF+LF+VD or+ ESR,Forged or Hot Rolled |
Heat Treatment: | Annealed |
Hardness: | ≤ 248HB |
UT Standards: | Sep 1921 Class3 D/d or E/e |
Surface Condition: | Black surface or machined |
Size Range: | |||
Flat | Round | ||
Forged | Thickness: | 65-300mm | Φ70-400mm |
Width: | 400-1000mm | ||
Rolled | Thickness: | 12-80mm | Φ12-80mm |
Width: | 100-700mm | ||
Chemical Composition | C | Si | Mn | Cr | Mo | V |
SKD12 | 0.95~1.05 | 0.10~0.40 | 0.40~0.80 | 4.80~5.50 | 0.90~1.20 | 0.15~0.35 |
1.2363 | 0.90~1.05 | 0.10~0.40 | 0.40~0.80 | 4.80~5.50 | 0.90~1.20 | 0.15~0.35 |
A2 | 0.90~1.05 | 0.10~0.50 | 0.40~0.80 | 4.75~5.50 | 0.90~1.40 | 0.15~0.50 |
When evaluated against other common grades, our 1.2363 tool steel demonstrates significant advantages in heavy-duty applications. It is notably tougher than D2 steel, making it far less prone to chipping during high-stress operations. While it features slightly lower abrasion resistance than D2, the enhanced durability ensures longer operational life under repeated impact. This makes it an incredibly safe and reliable choice for demanding fabrication processes and robust industrial applications.
Maintaining precise dimensions after heat treatment is critical for complex tooling designs. Our air-hardening tool steel offers superior dimensional stability and much safer hardening characteristics compared to standard O1 grades. This predictability during the heating and cooling cycles minimizes the risk of distortion or cracking. Consequently, engineers can confidently design intricate components knowing the final product will retain its intended precise measurements throughout the entire manufacturing lifespan.
The inherent toughness of our material makes it the ideal choice for high-impact industrial tasks. It is extensively utilized in manufacturing robust blanking dies, heavy-duty forming punches, and reliable trim dies. These components require materials that can handle repeated mechanical stress and sudden impacts without developing fatigue cracks. Our material ensures consistent performance in continuous production environments, significantly reducing unexpected downtime and maintenance costs for your engineering projects.
Edge retention combined with core strength is essential for cutting applications across various sectors. Our SKD12 steel plate and round bars are frequently processed into sharp shear blades, continuous industrial slitters, and heavy-duty woodworking knives. The balanced chromium content allows the blades to maintain a sharp cutting edge over extended periods while resisting the brittle failure often associated with harder, less forgiving steel alloys in demanding workshops.
Beyond cutting and forming, the stability of this material benefits high-precision engineering sectors. It is highly recommended for fabricating high-strength plastic mould steel inserts and intricate injection mould components. Furthermore, its reliable dimensional retention makes it a preferred material for creating master gauges, precision spindles, and machine guide rails where tight tolerances and minimal warping are non-negotiable requirements for successful continuous operation.
Operating as the dedicated sales division of our expansive forging facility, we deliver integrated commercial steel solutions. Our mill spans 1.6 million square meters, equipped with advanced 40-ton EBT furnaces and massive 5000-ton forging presses. We maintain a substantial inventory of over 3000 tons of regular stock to ensure prompt dispatch. This robust infrastructure allows us to supply premium custom forged blocks and precision-milled materials efficiently to our global partners.
Delivering uncompromising quality remains our primary operational focus for every order dispatched. Our independent laboratory conducts exhaustive evaluations, including chemical analysis, mechanical testing, and microstructure examinations. Furthermore, rigorous UT testing is applied to our precision mould steel prior to shipment, adhering strictly to international standards. Our dedicated quality control engineers ensure every piece meets your exact industrial specifications before loading the materials into the export containers.
This highly versatile tooling material is globally recognized and aligns perfectly with the standard grades 1.2363 and SKD12.
We supply materials in various finishes including black surface, turned, milled, peeled, grinded, or precision finish machined based on your specific operational requirements.
Yes, our standard minimum order quantity is roughly 25 tons per container, and we fully support mixing different steel types to reach this requested volume.
All items undergo a strict pre-shipment inspection by our professional team, alongside comprehensive UT testing and laboratory analysis to guarantee international standard compliance.
