Products
Special Steels
NACHI Original Materials
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By utilizing our unique melting technology and plasticity processing technology, we have developed a microstructure control method which was not possible through conventional manufacturing methods for special steel.
We provide highgrade, highfunctionality micro control alloy with fine grains and very few impurities.
EXEO Series: Functional component material
The EXEO series features functional component materials developed using our unique alloy design technology and special melting technology. Injection molding machine components, ultra high-precision mechanical components such as those used in aircraft, marine vessels and automobiles, according to the highfunctionality needs and uses of our customers, we provide products with heightened characteristics such as low expansion, heat resistance, corrosion resistance and strength.
EXEO-S10: Lowexpansion alloy
Offers excellent low expansion characteristics and is clean and has few impurities, is suitable for a high-precision component material .
EXEO-M21: Ultra high-strength steel
This clean steel features excellent notch strength and few impurities. Offers high strength and durability.
EXEO-SP: Steel for wear resistant components
Features excellent wear resistance and is suitable for components which require prevention of surface roughness due to abrasion.
DURO Series: Steel for precision molding
The DURO Series features steel for highcapability molding with a highlevel balance of toughness and wear resistance that exceeds powder highspeed steel.
The DURO Series is suitable for fineblanking molds for materials which are difficult to process, for punches of fine, thin or complicated shapes, and for cold forging.
Catalog for DURO-SP/V5/V2: Steels for precision die
Catalog for DURO-V5: Special steel for cold working precise die and mold
Catalog for DURO Series (cold usage): Special Steels for Precise Die and Mold
Catalog for DURO Series (warm/hot usage) : Special Steels for Precise Die and Mold
PROVA Series: Anti-corrosion steel for mirrored plastic molding
The PROVA Series features anti-corrosion steel for mirrored plastic molding. This special highgrade stainless steel was realized through new alloy design and our special melting technology. The steel is suitable for plasticforming molds.
The steel possess excellent resistance to corrosion and wear resistance and mirror polishability. It is suitable for molds used to form light guiding plates and aspheric lenses.
Catalog for PROVA-450 : Mold Steel for Plastic with Corrosion Resistance and Mirror finish-ability
Catalog for PROVA Series: Mold Steel for Plastic with Corrosion Resistance and Mirror finish-ability
