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SDC® Super Die Casting Our latest tool steel, SDC® Super Die Casting, is the result of collaboration with our clients targeting increased mould durability of light alloys injection moulds. All melting and processing by Aubert & Duval.
The lifetime of light alloy die cast parts highly depends on the thermal fatigue behavior of the material. Aubert & Duval has created a grade for improved thermal fatigue resistance while maintaining high properties of resistance to abrasion at temperature : the SDC® . With a high Molybdenum and Nickel content, SDC® yields an improved compromise between crack initiation and propagation. Improved alloying balance, optimized melting and converting processes delay crack initiation through an improved superficial softening resistance. Concurrently, SDC® shows higher toughness and Charpy V notch impact resistance, therefore slowing down crack propagation. Its wide spectrum of applications completes the Aubert & Duval grade range for die casting.
After tests with our main customers, the results are significantly improved compared to the reference steels (AISI H11 or AISI H11 modified (low Si…)) and Wn 1.2367 modified. The performance in service is improved : - Higher number of production cycles before the detection of the first cracks, - Reduced percentage of damage surface for a given production cycle number, - Reduction of maintenance of the moulds.
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Longer service life
More information in SDC brochure