ALUMINIUM BRONZE

Aluminium Bronze
(Copper-Aluminium alloys)
DIN 17 665 bzw. DIN EN 12 163/12 167/12 420/12 451/1652/1653

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl10Ni5Fe4 DIN EN 12163 12167 12420 1653	CW307G	7,6	Al 8,5 - 11,0 Ni 4,0 - 6,0 Fe 3,0 - 5,0 Cu Balance	High strength even at higher temperatures up to approx. 400°C. High fatigue strength even when exposed to corrosion. Resistant to neutral and acid, watery media as well as seawater. Good resistance to scaling, erosion and cavitation. Very high wear resistance. Good sliding properties in conjunction with mating material with hard surfaces and perfect lubrication. Plates for condenser and heat exchanger sheets. Shafts, screws, wear parts, control parts for hydraulics, high-pressure steam fittings. Mechanically and chemically stressed parts in mechanical engineering, shipbuilding and mining.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %
Bars M R680 R740	* ≥ 680 ≥ 740	* ≥ 320 ≥ 400	* ≥ 10 ≥ 8
Plates M R620	* ≥ 620	* ≥ 250	* ≥ 14
* = mechanical properties as manufactured
Comparable Specifications:: CuAl10Ni5Fe4, 2.0966, DIN 17665 C63200, C63000 UNS CA 104, BS 2872, 2874, 2875

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl10Fe3Mn2 DIN EN 12163 12167 12420	CW306G	7,6	Al 9 - 11,0 Fe 2,0 - 4,0 Mn 1,5 - 3,5 Cu Balance	High strength even at higher temperatures. Good corrosion resistance. Good resistance to scaling, erosion and cavitation. Impacting, vibrating or subject to wear parts in engine and gear construction. Bolts, high-strength bolts and nuts, shafts, spindles, worm and gear wheels, wheel rims, bearings and sliding components.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %
Bars M R590 R690	* ≥ 590 ≥ 690	* (ca. 330) (ca. 510)	* ≥ 12 ≥ 6
* = mechanical properties as manufactured
Comparable Specifications:: CuAl10Fe3Mn2, 2.0936, DIN 17665 C62300, C62500 UNS CA 103, BS 2872, 2874

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl11Fe6Ni6 DIN EN 12163 12167 12420	CW308G	7,4	Al 10,5 - 12,5 Ni 5,0 - 7,0 Fe 5,0 - 7,0 Cu Balance	Like CuAl10Ni5Fe4 with especially high strength, corrosion resistance and wear resistance. Extremely high stressed bearing parts and worm wheels. Valves, valve seats, cover plates, sliding components, wear parts, matrices for chipless forming technology, high-pressure steam fittings.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %
Bars M R740 R830	* ≥ 740 ≥ 830	* ≥ 420 ≥ 550	* ≥ 5 k.A.
* = mechanical properties as manufactured
Comparable Specifications:: CuAl11Ni6Fe5, 2.0978, DIN 17665

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl8Fe3 DIN EN 12420 1652 1653	CW303G	7,7	Al 6,5 - 8,5 Fe 1,5 - 3,5 Cu Balance	High strength even at higher temperatures up to approx. 300°C. Good corrosion resistance, also to salt water, sulphite alkalis and mineral acids apart from nitric acid. Good resistance to scaling, erosion and cavitation. High wear resistance. Cold formable. Plates for condenser and heat exchanger sheets, sheets for chemical apparatus engineering.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %
Plates M R480	* ≥ 480	* ≥ 210	* ≥ 30
* = mechanical properties as manufactured
Comparable Specifications:: CuAl8Fe3, 2.0932, DIN 17665 C61400 UNS CA 106, BS 2874, 2875

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl9Ni3Fe2 DIN EN 12420 1653	CW304G	7,4	Al 8,0 - 9,5 Ni 2,0 - 4,0 Fe 1,0 - 3,0 Cu Balance	Low friction coefficient. Cold and hot formable, easy to weld. Welded constructions for desalination plants, oil coolers, pickling plants, potash industry. Bearing parts for intermittent loads. Plates for condenser and heat exchanger sheets.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %
Plates M R490	* ≥ 490	* ≥ 180	* ≥ 20
* = mechanical properties as manufactured
Comparable Specifications:: CuAl9Ni3Fe2, 2.0971, DIN 17665

Alloy		Density ca.	Composition in % of weight	Properties and use
CuAl9Mn2 DIN 17665	2.0960	7,5	Al 8,0 - 10,0 Mn 1,5 - 3,0 Cu Balance	Wear-resistant sliding material, otherwise like CuAl10Fe3Mn2. High strength. Also for shock loads. Good thermal conductivity. Highly stressed bearing parts, gears and worm wheels, wear bars and wedge bars, spark-proof tools, plastic moulds.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %
Bars P F49 F59	* ≥ 490 ≥ 590	* ≥ 200 ≥ 250	* ≥ 25 ≥ 15
* = mechanical properties as manufactured

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl7Si2 DIN EN 12163 12167 12420	CW302G	7,7	Al 6,3 - 7,6 Si 1,5 - 2,2 Cu Balance	High strength and high wear resistance. Good machinability. Good corrosion resistance, also to seawater. Slide bearings with high shock load. Valves, screws, gear parts.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %
Bars M R500 R600	* ≥ 500 ≥ 600	* (ca. 250) (ca. 350)	* ≥ 20 ≥ 12
* = mechanical properties as manufactured
Comparable Specifications:: C64200 UNS

Other copper-aluminum alloys - also according to international standards and aviation standards - on demand.

We supply:

Bars
Hollow bars
Plates/Strips
Welding consumables
Forgings

to DIN 17 672
to DIN 17 671/1785
to DIN 17 670
to DIN 1733
to DIN EN 12 420

resp. DIN EN 12 163/12 167

resp. DIN EN 1652/1653

Cast aluminum bronze (Copper-Aluminium-cast-alloys)
DIN EN 1982

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl10Ni3Fe2-C DIN EN 1982	CC332G	7,5	Cu 80,0 - 86,0 Al 8,5 - 10,5 Ni 1,5 - 4,0 Fe 1,0 - 3,0	Construction material with good strength properties, resistant in cold and warm seawater. Very good weldability. Corrosion-stressed parts, fittings for aggressive waters, flanges for shipbuilding. Otherwise similar to Cu Al10 Fe5 Ni5-C, but the latter has better properties in many respects.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %	Hardness HB
GC GZ	≥ 550 ≥ 550	≥ 220 ≥ 220	≥ 20 ≥ 20	≥ 120 ≥ 120
Comparable Specifications:: CuAl9Ni, 2.0970, DIN 1714

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl10Fe5Ni5-C DIN EN 1982	CC333G	7,6	Cu 76,0 - 83,0 Al 8,5 - 10,5 Ni 4,0 - 6,0 Fe 4,0 - 5,6	Construction material with high strength values, resistant in cold and even hot seawater. Very good thermal stability. Very good fatigue strength in air and seawater. Highly resistant to cavitation and corrosion, highly stressable with good wear resistance. Good lubrication is required when there is sliding stress. Very good pressure tightness. Very good weldability. Highly stressed slide bearings and worm rims. Worm and helical wheels at the highest gear tooth pressures. High-pressure steam fittings, fittings for aggressive waters, pump housings.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %	Hardness HB
GC GZ	≥ 650 ≥ 650	≥ 280 ≥ 280	≥ 13 ≥ 13	≥ 150 ≥ 150
Comparable Specifications:: CuAl9Ni, 2.0975, DIN 1714 Cu 95 800, C 95 500 UNS AB 2, BS 1400

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl11Fe6Ni6-C DIN EN 1982	CC334G	7,6	Cu 72,0 - 82,5 Al 10,0 - 12,0 Ni 4,0 - 7,5 Fe 4,0 - 7,0	Like Cu Al10 Fe5 Ni5-C, but with higher demands on cavitation and/or wear resistance. Chemical industry, shipbuilding.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %	Hardness HB
GZ GM	≥ 750 ≥ 750	≥ 380 ≥ 380	≥ 5 ≥ 5	≥ 185 ≥ 185
Comparable Specifications:: CuAl11Ni, 2.0980, DIN 1714

Alloy	EN number	Density ca.	Composition in % of weight	Properties and use
CuAl10Fe2-C DIN EN 1982	CC331G	7,5	Cu 83,0 - 89,5 Al 8,5 - 10,5 Fe 1,5 - 3,5	Aluminium bronze with high strength and elongation. Good wear resistance, seawater and corrosion resistant. Mechanically stressed parts, pinions and bevel gears.

Important tempers	Tensile Strength R_m N/mm²	Yield Stress R_p0,2 N/mm²	Elongation A %	Hardness HB
GZ GC	≥ 550 ≥ 550	≥ 200 ≥ 200	≥ 18 ≥ 15	≥ 130 ≥ 130
Comparable Specifications:: CuAl10Fe, 2.0940, DIN 1714 C 95 200 UNS AB 1, BS 1400

Other cast aluminum bronze products on demand.

We supply:

GC = Continuous casting
GZ = Centrifugal casting
GM = Gravity die casting

Sinterform-Gleitlager-Technik AG	Telefon: +41 43 322 32 60
Engelwisstrasse 3	Telefax: +41 43 322 32 69
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