C95520HT

REFERENCE
GUIDE

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

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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