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C95520HT

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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 CONCAST LINE CARD

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 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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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
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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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