UGIPURE® 4472 Solution Annealed

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Description

UGIPURE® 4472 is a nitrogen alloyed austenitic stainless steel with high corrosion resistance. Remelted by ESR process, this grade is perfectly biocompatible with human tissus and is non magnetic. Due to it’s chemical analysis, UGIPURE® 4472 shows a very high ability to cold drawing and so, it can achieve higher mechanical properties than 1.4441 (UNS S31673). This grade is usually used for high performance surgical implants, like thin bones screws, high mobility hip prosthesis, etc.


Microcleanliness:


Inclusion typeSulphides
A
Alumina
B
Silicates
C
Globular oxides
D
Fine≤1.5≤2≤2≤2.5
Thick≤1.5≤1.5≤1.5≤1.5

Related Standards

Equivalent Materials

This material data has been provided by Ugitech SA.

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

7.9 g/cm³

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Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

195 GPa

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Elongation

23.0 °C

35 %

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min.

Tensile strength

23.0 °C

740 MPa

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min.

Yield strength Rp0.2

23.0 °C

430 MPa

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min.

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

23.0 °C

1.66E-5 1/K

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for 20 to 200°C

Thermal conductivity

23.0 °C

14 W/(m·K)

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Magnetic

PropertyTemperatureValueComment

Relative magnetic permeability

23.0 °C

1.01 [-]

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max.

Chemical properties

PropertyValueComment

Carbon

0.08 %

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max.

Chromium

19.5 - 22 %

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Copper

0.25 %

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max.

Iron

Balance

Manganese

2 - 4.25 %

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Molybdenum

2 - 3 %

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Nickel

9 - 11 %

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Niobium

0.25 - 0.8 %

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Nitrogen

0.25 - 0.5 %

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Phosphorus

0.03 %

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max.

Silicon

0.75 %

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max.

Sulfur

0.01 %

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max.

Technological properties

Property
Application areas

This grade is usually used for high performance surgical implants, like thin bones screws, high mobility hip prosthesis.

Cold Forming

This grade has a high ability for cold drawing which means that it is possible to obtain with a wire hard drawn ( dia 8 mm max), a tensile running from 1000 MPa up to 1800 MPa depending on the requirements of the customer.