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Cupral 4M Aluminum Bronze

Nickel Aluminium Bronze

Special aluminium bronze used where higher mechanical properties at elevated temperatures together with corrosion-resistant properties are demanded.

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It is used vvhere higher mechanical properties at elevated temperatures together with corrosion-resistant properties are demanded.

Cupral 4M Nickel Aluminium Bronze

Area of Application

Bending dies (shoes, wiper dies and mandrels) for the tube bending industry,

Wear and guide plates,

Aircraft landing gear bearings and bushings,

Gear wheels.

Chemical Composition and Material Number

Code: GAM MM11, GAM MM13, CA104, AMS 4590, NF A51-116, NFL 14705, C95500, C93500, C63020, 2.0975, 2.0966, 2.0971, UA10N, CW307G, CW304G, BSB23, DTD197A, CuAl10Ni5Fe4, CuAl10Ni5Fe3, CuAl11Fe4Ni4, CuAl8Ni5Fe4Mn, CuAl10Ni3Fe2 CuAl9Ni5Fe4, CuAl9Ni5Fe2.

Aluminium	Iron	Nickle	Manganese	Other	Copper
Al	Fe	Ni	Mn	MAX	Cu
8.5 - 11	3 - 5	4 - 6	Max. 1	0.5	Remaining

Heat Treatment: Not necessary. If there is intensive machining, 4 hours stress relieving at 380°C is recommended.

Mechanical Properties

Hardness	170 - 220	HB
Tensile Strength	650 - 800	N/mm²
Yield Strength	270 - 400	N/mm²
Moduls of Elasticity (20°C)	124	GPa
Elogation L=5D	10 - 16	%
Compressive Strength	1200	N/mm²

Physical Properties

Electrical Conductivity	5	MS/m
Thermal Expansion Coefficient	16	1/K * 10^-6
Thermal Conductivity (20°C)	42	W/mK
Density	7.45	g/cm³

Special Information

Continuous cast products of rods, sand castings, centrifugal casting, forging and casting products according to the picture.

Cupral 4M Aluminum Bronze

Cupral 4M (CuAl10Ni5Fe4)

Nickel Aluminium Bronze

Special aluminium bronze used where higher mechanical properties at elevated temperatures together with corrosion-resistant properties are demanded.

Area of Application

Chemical Composition and Material Number

Code: GAM MM11, GAM MM13, CA104, AMS 4590, NF A51-116, NFL 14705, C95500, C93500, C63020, 2.0975, 2.0966, 2.0971, UA10N, CW307G, CW304G, BSB23, DTD197A, CuAl10Ni5Fe4, CuAl10Ni5Fe3, CuAl11Fe4Ni4, CuAl8Ni5Fe4Mn, CuAl10Ni3Fe2 CuAl9Ni5Fe4, CuAl9Ni5Fe2.

Aluminium

Iron

Nickle

Manganese

Other

Copper

Al

Fe

Ni

Mn

MAX

Cu

8.5 - 11

3 - 5

4 - 6

Max. 1

0.5

Remaining

Heat Treatment: Not necessary. If there is intensive machining, 4 hours stress relieving at 380°C is recommended.

Mechanical Properties

Hardness

170 - 220

HB

Tensile Strength

650 - 800

N/mm2

Yield Strength

270 - 400

N/mm2

Moduls of Elasticity (20°C)

124

GPa

Elogation L=5D

10 - 16

%

Compressive Strength

1200

N/mm2

Physical Properties

Electrical Conductivity

5

MS/m

Thermal Expansion Coefficient

16

1/K * 10-6

Thermal Conductivity (20°C)

42

W/mK

Density

7.45

g/cm3

Special Information

N/mm²

N/mm²

N/mm²

1/K * 10^-6

g/cm³