Wärmebehandelbare Edelstähle
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Dura

Das Outokumpu Dura-Sortiment beinhaltet hochfeste sowie per Ausscheidungshärtung hergestellte Edelstahlprodukte.

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Outokumpu Dura Edelstahlgüten

Dura 420/4021

A very popular martensitic stainless steel that is corrosion resistant in water and steam. 

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  • EN: 1.4021
  • ASTM type: 420
  • ASTM UNS: S42000
  • Microstructure: Martensitic
Typical applications
  • Cutting utensils
  • Surgical instruments
  • Press plates
  • Brake discs
  • Mechanical parts
  • Flanges and valves
Typical chemical composition, % by mass
  • C: 0.20
  • Cr: 13.0
  • Ni: -
  • Mo: -
  • N: -
  • Others: -

Dura 420/4034

A high-hardness martensitic stainless steel that is corrosion resistant in water and steam. 

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  • EN: 1.4034
  • ASTM type: 420
  • ASTM UNS: S42000
  • Microstructure: Martensitic
Typical applications
  • Professional kitchen knives
  • Surgical instruments
  • Press plates
  • Brake discs
Typical chemical composition, % by mass
  • C: 0.45
  • Cr: 13.7
  • Ni: -
  • Mo: -
  • N: -
  • Others: -

Dura 410/4006

A martensitic stainless steel that is corrosion resistant in water and steam. Grade is only available as press plate.

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  • EN: 1.4006
  • ASTM type: 410
  • ASTM UNS: S41000
  • Microstructure : Martensitic
Typical applications
  • Valves
  • Flanges
  • Axles
  • Pump parts
  • Brake discs
Product forms
Typical chemical composition, % by mass
  • C: 0.12
  • Cr: 12.0
  • Ni: -
  • Mo: -
  • N: -
  • Others: -

Dura 4024

A martensitic stainless steel with slightly better hardenability than Dura 410/4006 that is corrosion resistant in water and steam. 

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  • EN: 1.4024
  • ASTM type: -
  • ASTM UNS: -
  • Microstructure: Martensitic
Typical applications
  • Mechanical engineering applications
  • Surgical instruments
Typical chemical composition, % by mass
  • C: 0.16
  • Cr: 13.2
  • Ni: -
  • Mo: -
  • N: -
  • Others: -

Dura 4120

Similar to Dura 420/4021 but with improved corrosion resistance and hightemperature strength. 

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  • EN: 1.4120
  • ASTM type: -
  • ASTM UNS: -
  • Microstructure: Martensitic
Typical applications
  • Mechanical engineering applications
  • Surgical instruments
Typical chemical composition, % by mass
  • C: 0.16
  • Cr: 13.2
  • Ni: -
  • Mo: -
  • N: -
  • Others: -

Dura 420/4028

A martensitic stainless steel that is corrosion resistant in water and steam. 

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  • EN: 1.4028
  • ASTM type: 420
  • ASTM UNS: S42000
  • Microstructure: Martensitic
Typical applications
  • Cutting utensils
  • Surgical instruments
  • Measuring tools
  • Flanges and valves
  • Wear-resistant mechanical parts
Typical chemical composition, % by mass
  • C: 0.30
  • Cr: 12.5
  • Ni: -
  • Mo: -
  • N: -
  • :

Dura 4419Mo

Similar to Dura 420/4028, but with improved corrosion resistance and high-temperature strength.

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  • EN: 1.4419
  • ASTM type: -
  • ASTM UNS: -
  • Microstructure: Martensitic
Typical applications
  • Mechanical engineering applications
Typical chemical composition, % by mass
  • C: 0.38
  • Cr: 13.3
  • Ni: -
  • Mo: 0.9
  • N: -
  • Others: -

Dura 420/4031

A martensitic stainless steel with medium-high hardness that is corrosion resistant in water and steam. 

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  • EN: 1.4031
  • ASTM type: 420
  • ASTM UNS: S42000
  • Microstructure : Martensitic
Typical applications
  • Cutting utensils
  • Surgical instruments
  • Measuring tools
  • Wear-resistant mechanical parts 
Typical chemical composition, % by mass
  • C: 0.38
  • Cr: 13.5
  • Ni: -
  • Mo: -
  • N: -
  • Others: -

Dura 4122

Outokumpu’s most corrosion-resistant martensitic stainless steel. Good resistance in moderately corrosive, low-chloride environments and very good mechanical properties and wear resistance. Medium-high hardness. 

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  • EN: 1.4122
  • ASTM type: -
  • ASTM UNS: -
  • Microstructure: Martensitic
Typical applications
  • Surgical instruments
  • Food processing equipment
  • Mechanical parts
  • Machine and pump construction
Typical chemical composition, % by mass
  • C: 0.41
  • Cr: 16.1
  • Ni: -
  • Mo: 1.0
  • N: -
  • Others: -

Dura 4110

A high-hardness martensitic stainless steel with improved corrosion and wear resistance compared to Dura 420/4034. 

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  • EN: 1.4410
  • ASTM type: -
  • ASTM UNS: -
  • Microstructure: Martensitic
Typical applications
  • Knife blades
  • Scissors
  • Surgical cutting tools
  • Measuring tools
  • Pump construction
  • Valves
Typical chemical composition, % by mass
  • C: 0.50
  • Cr: 14.8
  • Ni: -
  • Mo: 0.8
  • N: -
  • Others: -

Dura 4116

Similar to Dura 4110 but with elevated wear resistance.

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  • EN: 1.4116
  • ASTM type: -
  • ASTM UNS: -
  • Microstructure: Martensitic
Typical applications
  • Cutting instruments that undergo partial hardening
Typical chemical composition, % by mass
  • C: 0.50
  • Cr: 14.4
  • Ni: -
  • Mo: 0.6
  • N: -
  • Others: -

Dura 17-4PH

A martensitic precipitation hardening steel with high strength and hardness, good corrosion resistance, and satisfactory formability (depending on heat treatment/condition).

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  • EN: 1.4542
  • ASTM type: 630
  • ASTM UNS: S17400
  • Microstructure: Precipitation hardening
Typical applications
  • Oil field equipment
  • Chemical process equipment
  • Fittings
  • Pump shafts
  • Gears
  • Paper mill equipment
  • Aircraft parts
  • Flanges and valves
Typical chemical composition, % by mass
  • C: 0.02
  • Cr: 15.5
  • Ni: 4.8
  • Mo: -
  • N: -
  • Others: Nb, Cu

Dura 17-7PH

A precipitation hardening stainless steel with high strength and hardness, good corrosion resistance, and satisfactory formability (depending on heat treatment/condition). 

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  • EN: 1.4568
  • ASTM: 631
  • UNS: S17700
  • Microstructure: Precipitation hardening
Typical applications
  • Retaining rings
  • Springs
  • Valves and flanges
  • Gears
  • Aircraft parts
Typical chemical composition, % by mass
  • C: 0.08
  • Cr: 17.0
  • Ni: 7.0
  • Mo: -
  • N: -
  • Others : Al

Circle Green Dura 420/4034

A high-hardness martensitic stainless steel that is corrosion resistant in water and steam. 

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  • EN: 1.4034
  • ASTM type: 420
  • ASTM UNS: S42000
  • Microstructure: Martensitic
Typical applications
  • Professional kitchen knives
  • Surgical instruments
  • Press plates
  • Brake discs
Typical chemical composition, % by mass
  • C: 0.45
  • Cr: 13.7
  • Ni: -
  • Mo: -
  • N: -
  • Others: -

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Dura

Die Dura-Kategorie umfasst 14 martensitische und ausscheidungshärtbare Edelstahlprodukte für Anwendungen, die eine hohe Oberflächenhärte erfordern.

Neben der verbesserten Härtbarkeit zeichnen sich diese Produkte durch eine hohe Festigkeit und Verschleißfestigkeit aus. Aus diesem Grund sind die wichtigsten Alternativen zu den Produkten der Dura-Kategorie eher Kohlenstoffstähle als andere Edelstahlgüten.

Die Produkte der Dura-Kategorie werden als lösungsgeglühte und anschließend aushärtbare Produkte für Anwendungen verkauft, die eine höhere Härte und Korrosionsbeständigkeit erfordern, als sie Kohlenstoffstahl bieten kann. Diese Produkte sind für alle Anwendungen geeignet, von der Produktion hochwertiger Messern und Skalpellen bis hin zu Flugzeugfahrwerken. ausscheidungshärtbare Produkte werden durch einen speziellen Mechanismus gehärtet, der die Bildung von Ausscheidungen in der Mikrostruktur beinhaltet. Sowohl martensitische als auch ausscheidungshärtbare Edelstähle sind magnetisch.

Unsere Dura-Kategorie eignet sich besonders für Endprodukte, die eine Wärmebehandlung erfordern. Falls Sie hochfeste Edelstähle benötigen, die keiner Wärmebehandlung bedürfen, ist unser Angebot an kaltverfestigten Produkten aus der Forta-Kategorie für diese Anforderungen geeignet.

Alle Produkte der Dura-Kategorie sind weltweit verfügbar und werden von Werken geliefert, die für ihre pünktliche Liefergenauigkeit bekannt sind. Sie können sich darauf verlassen, dass die Edelstähle von Outokumpu zuverlässig und beständig die Spezifikationen erfüllen, die Ihre Anwendung erfordert. Unsere Experten können Produkte auch genau nach Ihren Vorgaben herstellen.

Standards und Zulassungen für die Kategorie Dura

Dura range stainless steels meet the following standards: 

ASME SA240M Code Sect. II. Part A  
ASTM A240/A240M 
ASTM A240M 
EN 10088-2 
EN 10088-3 
EN 10088-4
EN 10088-5

Outokumpu meets the most common certifications and approvals, including:

  • AD 2000 Merkblatt
  • Approval of Material Manufacturers
  • Factory Production Control Certificate
  • ISO 9001
  • ISO 14001
  • ISO 50001
  • ISO/TS 16949
  • NORSOK
  • OHSAS 18001
  • Pressure Equipment Directive (PED)

Downloads zur Kategorie Dura

Outokumpu Dura range datasheet
Outokumpu Product Ranges chart