DIN 1.2379 Steel and Its International D2/SKD11 Equivalents

Global toolmaking projects often describe the same general cold-work steel family with different standards. DIN 1.2379, AISI D2, JIS SKD11 and GB Cr12Mo1V1 are frequently discussed together, but purchasing teams should still verify the specification rather than treating every commercial product as identical.

DIN 1.2379 tool steel is a high-carbon, high-chromium air-hardening grade valued for high wear resistance, deep hardenability and relatively good dimensional stability. Typical applications include stamping dies, blanking tools, cold-forming rolls, punches, shear blades and wear-resistant machine parts.

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The intended heat-treatment route should be planned before machining begins. Annealed material supports rough machining, while final hardening and tempering determine the working balance between hardness and toughness. Tool geometry, retained stress, grinding practice and possible surface treatments also affect tool life.

Keyspark Steel supplies 1.2379 in plate, flat bar, round bar and forged block. Buyers can request custom sawing, drilling, milling, turning, grinding and heat treatment. Quality-control options include chemical analysis, hardness inspection, ultrasonic testing, surface and dimensional checks and material certificates.

A useful inquiry lists the governing standard, raw or finished dimensions, quantity, delivery condition, surface requirement, inspection level and shipping destination.

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