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C95520HT

Stocked alloy specs

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Reference guide

Stocked size schedules

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Continuous cast

Aluminum bronze, such as C95520, is the highest strength standard copper-based alloy. Concast produces C95400, C95500, AMS 4880-C95510, and C95900 aluminum bronze alloys as Standard-stocked products in standard sizes of rounds, tubes, and rectangles. Aluminum in conjunction with iron and nickel acts as a strengthener in these alloys including C95520.

C95520HT SPEC SHEET Standard products

C95520HT

Product description: Nickel-aluminum bronze
Solids: 1/2" to 9" O.D.
Tubes: 1 1/8" to 9" O.D.*
Rectangles: Up to 15"
Standard lengths: 24"**
Shape/Form: semi-finished, mill stock or near-net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar

 *Consult mill for wall thickness 
**Consult mill for other lengths

Typical uses

Industrial: aircraft components, bearings, bushings, machine tool parts, piston guides, wear rings, worm wheels
Marine: hardware, propeller hubs, shafts, sleeves, wear rings, worm gears

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C95520HT B505
B505M		   4881 QQ-C-390B, Type III    

Chemical composition

Cu% Pb% Sn% Zn% Fe% Ni%1 Al% Co% Cr% Mn% Si%
Chemical composition according to AMS 4881

1Ni value includes Co.
Note: Cu + sum of named elements, 99.5% min. Unless otherwise noted, single values represent maximums.
74.50
min		  
0.03		  
0.25		  
0.30		 4.00-
5.50		 4.20-
6.00		 10.50-
11.50		  
0.20		  
0.05		  
1.50		  
0.15

Machinability

Note: HT = heat treated.
Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C95520HT 45 0.272

Mechanical properties

Mechanical properties according to AMS 4881
Tensile strength, min Yield strength at 0.2%, min Elongation, in 4D, min Brinell hardness (3000 kg load) Remarks
ksi MPa ksi MPa % minimum BHN  
125 860 90 621 2 262 Castings <2.00, Heat Treated

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C14500 C23000 C24000 C26000 C31400 C31600 C46400 C51000 C52100 C53400 C54400 C62400 C63000 C63020 C64200 C64210 C65100 C67300 C67400 C67410 C67600 C69300 C69400 C69430 C72900 (AMS 4596) C72900 (AMS 4597)
C72900 (AMS 4598) C83600 C83800 C84200 C84400 C84800 C85700 C86200 C86300 C86400 C86500 C86700 C87850 C89320 C89325 C89520 C89831 C89833 C89835 C89844 C90300 C90500 C90700
C90800 C91000 C91100 C91300 C91600 C91700 C92200 C92300 C92500 C92700 C92800 C92900 C93200 C93400 C93500 C93600 C93700 C93800 C93900 C94000 C94100 C94300 C94700
C94700HT C94800 C95200 C95300 C95300HT C95400 C95400HT C95410 C95410HT C95500 C95500HT C95510 C95520HT C95600 C95800 C95900 C96400 C96900HT C97300 C97600 C97800 C99500 CONCAST380
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