AMPCO® 22 Extruded bars

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Description

AMPCO® 22 is a duplex structure alloy of approx. 50 % of each phase - gamma 2 and beta. It is remarkable because of its hardness, its excellent compression and wear resistance and by its sliding properties. As the elongation of the material is very low, thin sections should be avoided and the material should be well backed up.

Ashby charts

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Properties

General

Density

ρ

7.06 g/cm³ at 23 °C

Mechanical

Charpy impact energy

aK,charpy

2.7 J at 23 °C

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Compressive strength

Rmc

1351 MPa at 23 °C

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Compressive yield strength, 0.1%

Rs,0.1

510 MPa at 23 °C

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Elastic modulus

E

103 GPa at 23 °C

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Elongation A5

A5

0.5 % at 23 °C

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Hardness, HBW

HBW

332 [-] at 23 °C

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HBW 10/3000

Hardness, Rockwell C

HRC

35 [-] at 23 °C

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Izod impact energy

aK,izod

2.7 J at 23 °C

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Proportional limit in compression

Rpc

241 MPa at 23 °C

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Reduction of area

Z

0 % at 23 °C

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Tensile strength

Rm

724 MPa at 23 °C

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Yield strength Rp0.2

Rp0.2

427 MPa at 23 °C

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Thermal

Coefficient of thermal expansion

α

1.62E-5 1/K at 23 °C

Specific heat capacity

cp

420 J/(kg·K) at 23 °C

Thermal conductivity

λ

42 W/(m·K) at 23 °C

Electrical

Electrical conductivity

σel

6.00E+6 S/m at 23 °C

Specific Electrical conductivity

10 % IACS

Chemical properties

Element

Weight %

Comment

Cu

-

Balance

Al

14.1 %

Fe

4.7 %

Other

2.5 %

Technological properties

Application areas

The field of service of AMPCO® 22, with few exceptions, is limited to forming and/or drawing stainless steel, especially when runs are long or gauge is heavy and it is essential that tolerances be maintained.

This material data has been provided by AMPCO METAL.

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.