Corrodur 4104 QT650

Alternative und Handelsbezeichungen
Corrodur 4104
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Description

The machinability of 1.4104 (X14CrMoS17) is far superior to that of the ferritic 17% chromium steel, 1.4016 as a result of the controlled sulphur addition to this grade of steel. The addition of sulphur however reduces the resistance to corrosion, and as such 1.4016 is significantly more resistant to corrosion than 1.4104, despite their similar chromium contents. It should be noted that as a result of the sulphur addition, neither minimum impact properties, nor elevated temperature properties are specified.

Related Standards

Equivalent Materials

Diese Materialdaten wurden von Deutsche Edelstahlwerke Specialty Steel (DEW) zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
Äquivalente Standards sind ähnlich zu einem oder mehreren Standards die der Anbieter angegeben hat. Manche äquivalente Standards können strikter sein oder außerhalb der Bedingungen des ursprünglichen Standards.

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Eigenschaften

Allgemein

PropertyValue

Dichte

7.7 g/cm³

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Abmessung

PropertyValueComment

Durchmesser

160 mm

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max.

Mechanisch

PropertyTemperatureValue

Elastizitätsmodul

20 °C

215 GPa

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100 °C

212 GPa

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200 °C

205 GPa

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300 °C

200 GPa

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400 °C

190 GPa

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Zugfestigkeit

650.0 - 850.0 MPa

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Thermisch

PropertyTemperatureValueComment

Koeffizient der thermischen Ausdehnung

100 °C

0.00001 1/K

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for 20°C to the mentioned temperature

200 °C

0.0000105 1/K

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for 20°C to the mentioned temperature

300 °C

0.0000105 1/K

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400 °C

0.0000105 1/K

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Spezifische Wärmekapazität

460.0 J/(kg·K)

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Wärmeleitfähigkeit

25 W/(m·K)

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Elektrisch

PropertyValue

spezifischer Widerstand

7e-07 Ω·m

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Chemical properties

PropertyValue

Chrom

15.5 - 17.5 %

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Kohlenstoff

0.1 - 0.17 %

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Mangan

1.0

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Molybdän

0.2 - 0.6000000000000001 %

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Phosphor

0.04

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Schwefel

0.15 - 0.35000000000000003 %

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Silizium

1.0

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Technological properties

Property
Application areas

Automotive industry, Decorative applications, Kitchen utensils, Electronic equipment

Corrosion properties

Low - Although 1.4104, contains 17 % chromium, the corrosion resistance of this steel is severely compromised by the addition of sulphur. This is particularly true when exposed to environments that promote pitting and crevice corrosion. PRE = 16.16 – 19.48

General machinability

Very Good -The machinability of this grade of stainless steel is superior to other 12 and 17 % chromium steels as a result of the sulphur addition.

Heat Treatment

Soft annealing: 750-850°C (Cooling in furnace, air) - Hardening: 950-1050°C in polymer, oil, air - Tempering: 550-650°C air

Hot forming

It is formable at 800-1100°C

Processing history

Quenched and tempered QT 650

Welding

Poor - In general, 1.4104 is not welded, other than occasionally being friction or resistance welded.