1.4507 / X2CrNiMoCuN25-6-3

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Description

The material 1.4507 is a duplex stainless steel with excellent corrosion resistance and very good chemical resistance. Due to its excellent acid resistance this grade is ideal for use in the offshore industry and for the construction of plants for the processing of sulphuric, phosphoric, nitric, acetic and formic acids.

Related Standards

Equivalent Materials

This material data has been provided by HSM Stahl- und Metallhandel GmbH.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

7.8 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

200 GPa

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Elongation A5

23.0 °C

25 %

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min.

Hardness, Brinell

23.0 °C

270 [-]

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max.

Tensile strength

23.0 °C

700 - 900 MPa

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Yield strength Rp0.2

23.0 °C

500 MPa

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min.

Thermal

PropertyTemperatureValue

Specific heat capacity

23.0 °C

500 J/(kg·K)

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Thermal conductivity

23.0 °C

15 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

8E-7 Ω·m

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Magnetic

PropertyValue

Magnetic properties

Magnetisation very low

Chemical properties

PropertyValueComment

Carbon

0.03 %

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max.

Chromium

24 - 26 %

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Copper

1 - 2.5 %

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Manganese

2 %

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max.

Molybdenum

3 - 4 %

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Nickel

6 - 8 %

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Nitrogen

0.2 - 0.3 %

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Phosphorus

0.04 %

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max.

Silicon

0.7 %

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max.

Sulfur

0.015 %

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max.

Technological properties

Property
Application areas

Chemical & petrochemical, Ship building industry, Apparatus and tank construction, Turbine construction, Power plant construction, Transformer construction, Power engineering for onshore and offshore, Plant construction, Mechanical Engineering, Food industry

Corrosion properties

Very good corrosion and chemical resistance

General machinability

Good

Polishing ability

Good

Solution annealing

1040-1120°C

Wear resistance

High resistance

Welding

TIG welding: limited, MAG Solid wire: limited, Arc welding: limited, UP welding: unsuitable, Laser beam welding: limited, Gas fusion welding: unsuitable

Workability

Hot forming: 1000-1200°C