S165M QT760 Bar

Alternative und Handelsbezeichungen
S165M, ALLOY 1.4418, S165M, 2387
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Description

S165M is a high strength low carbon martensitic/ austenitic stainless steel. It combines high strength, good fatigue resistance with good weldability, properties which are maintained after welding. Two minimum tensile levels are often used; QT760 and QT900. QT900 is mostly used by the industry.

Related Standards

Equivalent Materials

Diese Materialdaten wurden von Sverdrup Steel 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.

Ashby charts

Eigenschaften

Abmessung

PropertyValue

Durchmesser

10 - 410 mm

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Mechanisch

PropertyTemperatureValue

Charpy impact energy, V-notch

23.0 °C

80 J

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Dehnung

23.0 °C

16 %

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Härte, Brinell

23.0 °C

280 - 340 [-]

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Streckgrenze Rp 0,2

23.0 °C

550 MPa

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Zugfestigkeit

23.0 °C

760 - 960 MPa

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Chemical properties

PropertyValue

Chrom

15 - 17 %

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Eisen

Balance

Kohlenstoff

0.06 %

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Mangan

0.6 - 1.5 %

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Molybdän

0.8 - 1.5 %

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Nickel

4 - 6 %

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Phosphor

0.04 %

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Schwefel

0.005 - 0.03 %

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Silizium

0.3 - 0.7 %

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Stickstoff

0.02 %

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Technological properties

Property
Application areas

The alloy has been designed to resist erosion corrosion or cavitation experienced in hydraulic applications. General areas for applications: Shafts, propellers, spindles, bolts, etc.

Corrosion properties

S165M is designed for application in slightly corrosive environment. Corrosion resistance is at the level of AISI 304L in most environments, however insensitive to intergranular corrosion.

Heat Treatment

QT760

Welding

Good, the low carbon martensite with the finely dispersed residual austenite yields an excellent HAZ toughness in the as welded condition. Preheating to 100°C – 200°C is suggested for very thick section or when the stress concentration after cooling require it.