316 



Copper and Copper-base Alloys 



TABLE 17 

 ALUMINUM BRONZES 



Refer- 

 ences 



(80) 

 (80) 

 (80) 



(68) 

 (80) 



(57) 

 (80) 



(57) 

 (57) 



(76) 



(82) 



(82) 



(57) 

 (68) 

 (81) 



(81) 



(81) 



(68) 

 (68) 

 (68) 

 (78) 

 (78) 



Condition 



Hot- rolled 

 iJle-in.-diam- 

 eter rod 

 Hot-rolled 

 iJie-in.-diam- 

 eter rod 

 Hot-rolled 

 iJie-in. -diam- 

 eter rod 

 Rolled 

 Hot-rolled 

 i?i6-in.-diam- 

 eter rod 

 Rolled 

 Hot-rolled 

 iJi6-in. -diam- 

 eter rod 

 Rolled 

 Annealed 

 1200°F., 1 hr. 

 Extruded 

 quench in 

 water from 

 1650°F., re- 

 annealed 

 1150°F. 



Annealed 

 600°F., 3 hr. 



Annealed 

 600°F., 3 hr. 

 Rolled 

 Rolled 

 Rolled 

 1 J^ 6- in .-diam- 

 eter rod 

 Rolled 

 ij-fs-in.-diam- 

 eter rod 

 Rolled 

 iKe-in.-diam- 



eter rod 

 As extruded 

 As extruded 

 As extruded 

 As hot-forged 

 Extruded and 

 lightly cold- 

 worked 



Cop- 

 per, 



% 



94.93 



94.85 

 92.65 



90.91 

 90.10 



90.52 

 90.52 



89.91 



90.39 



87.69 



87.12 

 87.00 

 89.06 



83.60 

 86.71 

 88.67 

 79.83 

 89.50 



AIu- 



num 



% 



0.10 



5.62 

 7.35 



9.10 

 9.90 



10.01 

 10.01 



10.00 



10.50 



10.40 

 9.60 

 10.02 



9.82 



12.57 

 9.93 

 7.49 

 9.73 



Iron, 



% 



Trace 

 Trace 



0.17 

 2.64 



2.92 

 3.40 



3.40 

 3.10 

 2.89 

 5.42 

 0.15 



Man- 

 ga- 

 nese, 

 % 



0.92 



0.43 



Others, 



% 



0.26 Sn 

 0.81 Ni 

 4.97 Ni 

 1.40 Zn 



Tensile 

 strength, 



p.s.i. 



(000 

 omitted) 



32.5 



83.5 



88 

 90.5 



116 



80 



Elonga- 

 tion, 

 %in 

 2 in. 



39 



Reduc- 

 tion, 

 % of 

 area 



78 



26 



18 



40 

 29 

 34 



4 

 15 

 36 

 19 



42 



Brinell, 



500 kg., 



10-mm. 



ball 



134 



226 

 150 



Endur- 

 ance 

 limit, 

 p.s.i. 

 (000 



omitted) 



13 



24.5 



19 

 24.5 



23 

 29.5 



28 



31 



35 



27 



27.5 



27.5 



Cycles, 

 10« 



0.5 



100 

 1 



60 

 70 



Form 



Rod 



Rod 



Rod 

 Rod 



Rod 

 Rod 



Rod 

 Rod 



Rod 



Rod 



Rod 



Rod 

 Rod 

 Rod 



Rod 



Notes 



-fatigue limit, carbonated water, 25,000 



« Torsion strength 52,500 p.s.i.; angle of twist 396 deg.; torsion endurance limit 12.000 p.s.i. for 4 X 10' cycles, 

 *■ Torsion strength 60,000 p.s.i.; angle of twist 217 deg.; torsion endurance limit 13,000 p.s.i. for 5 X 10^ cycles, 

 'Torsion strength 44,500 p.s.i.; angle of twist 72 deg.; torsion endurance limit 14,000 p.s.i. for 5 X 10' cycles. 

 •^ Torsion strength 60,500 p.s.i.; angle of twist 60 deg.; torsion endurance limit 17,000 p.s.i. for 8 X 10' cycles; 

 .i. for 3 X 10' cycles. 

 " Corrosion-fatigue limit, carbonated water, 24,000 p.s.i. for 3 X 10' cycles. 



/ Corrosion-fatigue hmit, carbonated water, 30,000 p.s.i. for 10' cycles; salt water (brackish) 30,000 p.s.i. for 5 X 10' cycles. 

 » Corrosion-fatigue limit, carbonated water, 33,000 p.s.i. for 5 X 10' cycles; salt water (brackish) 29,000 p.s.i. for 2 X 10' cycles. 

 '• Corrosion-fatigue limit, carbonated water. 23,000 p.s.i. for 5 X 10' cycles. 



• Proportional limit 5,400 p.s.i.; modulus of elasticity 18.8 X 10^ p.s.i.; corrosion-fatigue limit, salt spray, 32,800 p.s.i. for 5 X 10' cycles. 

 ' Proportional limit 17,700 p.s.i.; modulus of elasticity 17.5 X 10^ p.s.i.; corrosion-fatigue limit, salt spray, 22,Q00 p.s.i. for 5 X 10' cycles. 



