Gama Outokumpu Dura

Aceros inoxidables tratables con calor para una mayor dureza y resistencia

La gama Dura contiene productos de acero inoxidable Outokumpu de alta dureza y endurecimiento por precipitación (PH).

Productos principales

Dura 420/4021

Un acero inoxidable martensítico muy popular que es resistente a la corrosión en agua y en vapor.

Dura 420/4034

Un acero inoxidable martensítico de alta dureza que es resistente a la corrosión en agua y en vapor. 

Creemos en un mundo que perdure por siempre

Por qué la gama Dura

  • Los aceros inoxidables martensíticos y de endurecimiento por precipitación ofrecen una gran dureza, resistencia y aguante del desgaste para aplicaciones que exigen un nivel determinado de resistencia a la corrosión.
  • Los productos martensíticos se utilizan normalmente para aplicaciones de punta, como cuchillos de alta calidad, bisturíes y los productos de endurecimiento por precipitación para piezas para aeronaves.
  • Los productos de la gama Dura son normalmente entregados en condición de recocido para que posteriormente el usuario pueda darle un tratamiento térmico para lograr las propiedades óptimas.

Por qué Outokumpu

  • Outokumpu es un líder mundial en el acero inoxidable y el innovador de los primeros aceros inoxidables del mundo.
  • Muy enfocados en el cliente, la sostenibilidad y la excelencia técnica son el centro de todo lo que hacemos.
  • Como cliente puede beneficiarse de nuestro fuerte apoyo de Investigación y Desarrollo y asistencia técnica.

Por qué acero inoxidable

  • La durabilidad del acero inoxidable implica no solo lo mejor, sino que es la opción más sostenible económicamente en una amplia variedad de aplicaciones.
  • Todos nuestros productos están fabricados con un promedio de 85% de material reciclado y son totalmente reciclables al final de sus ciclos de vida útil.

Outokumpu Dura stainless steel grades

Dura 420/4021

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

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

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.20

Cr 13.0

Ni -

Mo -

N -

Others -

Dura 420/4034

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

EN 1.4034

ASTM type 420

ASTM UNS S42000

Microstructure Martensitic

Typical applications

  • Professional kitchen knives
  • Surgical instruments
  • Press plates
  • Brake discs

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.45

Cr 13.7

Ni -

Mo -

N -

Others -

Dura 410/4006

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

EN 1.4006

ASTM type 410

ASTM UNS S41000

Microstructure Martensitic

Typical applications

  • Valves
  • Flanges
  • Axles
  • Pump parts
  • Brake discs

Product forms

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.12

Cr 12.0

Ni -

Mo -

N -

Others -

Dura 4024

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

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

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

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 420/4028

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

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

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.30

Cr 12.5

Ni -

Mo -

N -

Dura 4419Mo

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

EN 1.4419

ASTM type -

ASTM UNS -

Microstructure Martensitic

Typical applications

  • Mechanical engineering applications

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.38

Cr 13.3

Ni -

Mo 0.9

N -

Others -

Dura 420/4031

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

EN 1.4031

ASTM type 420

ASTM UNS S42000

Microstructure Martensitic

Typical applications

  • Cutting utensils
  • Surgical instruments
  • Measuring tools
  • Wear-resistant mechanical parts 

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.38

Cr 13.5

Ni -

Mo -

N -

Others -

Dura 4122

Description 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. 

EN 1.4122

ASTM type -

ASTM UNS -

Microstructure Martensitic

Typical applications

  • Surgical instruments
  • Food processing equipment
  • Mechanical parts
  • Machine and pump construction

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.41

Cr 16.1

Ni -

Mo 1.0

N -

Others -

Dura 4110

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

EN 1.4410

ASTM type -

ASTM UNS -

Microstructure Martensitic

Typical applications

  • Knife blades
  • Scissors
  • Surgical cutting tools
  • Measuring tools
  • Pump construction
  • Valves

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.50

Cr 14.8

Ni -

Mo 0.8

N -

Others -

Dura 4116

Description Similar to Dura 4110 but with elevated wear resistance.

EN 1.4116

ASTM type -

ASTM UNS -

Microstructure Martensitic

Typical applications

  • Cutting instruments that undergo partial hardening

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.50

Cr 14.4

Ni -

Mo 0.6

N -

Others -

Dura 17-4PH

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

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

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.02

Cr 15.5

Ni 4.8

Mo -

N -

Others Nb, Cu

Dura 17-7PH

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

EN 1.4568

ASTM 631

UNS S17700

Microstructure Precipitation hardening

Typical applications

  • Retaining rings
  • Springs
  • Valves and flanges
  • Gears
  • Aircraft parts

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Typical chemical composition, % by mass

C 0.08

Cr 17.0

Ni 7.0

Mo -

N -

Others Al

Dura 15-7PH

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

EN 1.4574

ASTM type 632

ASTM UNS S15700

Microstructure

Precipitation hardening

Typical applications

  • Retaining rings
  • Springs
  • Valves
  • Aircraft parts

Datasheet Download Dura range datasheet for more information on corrosion resistance, mechnanical properties, physical properties and fabrication

Chemical composition

C 0.08

Cr 14.5

Ni 7.5

Mo 2.2

N -

Others 1Al

Standards and approvals for Dura range

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)

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