TABLE 65. 



Table 65. 

 MECHANICAL PROPERTIES. 

 Copper Alloys — Three (or more) Components. 



8S 



Alloy and approx. 



composition 



per cent. 



Condition. 



Oil- 



Tension, 



kg/mm^ 



3S 



Tension, 

 lb/in2 



ag^ 



u g 



T3 CS 



Per cent. 



Hardness. 



.Sg 



o u 

 — o 



Brass, Aluminum 



Cu 57, Zn 42, Al I 

 Cu5S,Zn4i, AI4 

 Cu 6a. g, Zn 33.3, Al 

 Cu 70.5, Zn 26.4, Al 



Alum., Manganese. . 



Cu64, Zn 29, Al 3.1 



Mn 2.5, Fe 1.2.. . 



Alum., Vanadium. . . 



Cu 58.S, ZnsS.S, Al 



1.5, V 0.03 



Iron: 

 CU56, Zn 41. s, Fei. 



Aich's Metal 



Cu6o,Zn38.2,Fei.8 

 Delta Metal 



Cu 57, Zn42, Fe i. 



Cu 6s, Zn 30, Fes- 

 Iron, Tin: 

 Cus6.s,Zn40,Fei.5, 



Sn i.ot 



Sterro metal: 



Cu 55, Zn 42.4 Fe 

 1.8, Sno.8.. 



Lead or Yellow brass 



Cu 60 to 63. S, Zn3S 



t0 33-S,Pbs to 3. 

 Lead, Tin or 



Red brass 



Cu83,Zn7,Pb6,Sn4 

 Cu78,Zn9.5,Pbio, 



Sn 2 



Yellow brass: 



Cu 70, Zn 27, Pb 2, 



Sn I 



Manganese or Man- 

 ganese bronze 

 Cu s8, Zn 39. Mn 



0.0s 

 (Sn, Fe, Al, Pb.) 



Cu 60, Zn 39 Mn, 



tr 

 Specification values: 

 U. S. Navy, 46 B 



i6a ** 



U. S. N.,46B 15a 

 Manganese Vana 

 dium: 



Cu s8.6, Zn 38. s, Al 



1.5 Mno.s, V0.03 



Nickel: Nickel sil 



ver, Cu 60.4, Zn 



31.8, Ni 7.7 .. 



German silver, 



Cu 61.6, Zn 17.2, 



Ni 21. 1 



Cu 60.6, Zn 11.8, 



Ni 27.3 



Fine wire: 



Cu58,Zn24,Nii8 

 Nickel silver it 

 Nickel Tungsten : S 

 Tin: 

 Cu6i,Zn38,Sni. 

 Navalbrass,as above 



Tobin bronze: as be- 

 low 



Cu 58.2, Zn 39.S 

 Sn 2.3 



Cu55, Zn43, Sn 2 



Cast 



Cast, tensilite* 



Cold drawn . . . 

 Cast 



Cast 



J Cast, sand. . . . 



\ Rolled, hard . . 



Rolled hard. . . 



Cast 



[Cast 



< Forged 



[ Hard drawn . . 

 Cast 



[ Sheet ann 



\ Sheet hard 



Cast 



t 



Cast 



Cast§ 



Cast, sand 11. . 

 Cast, chill . . . . 

 Rolled 



RoUedtt 



Cold drawn . . . 



Cast 



Drawn hard . 



Cast, sand. 

 Ann. after roU- 



35.6 



8.42 



8.6 



8.87 



526 



23.2 to 

 26.0 



8.3 



8.3 



mg. 

 Cast. 



8.3 



Rolled . 



Castllll 



S18 



8.4 



21. I to 

 24.6 

 22. s to 

 26.0II 

 3I-S 



24.6 

 35.6 



10.8 



13-2 



t6.7 



s6.o 

 17.6 



38.0 



40.0 

 60.0 

 56.2 

 33-0 



SO-7 to 

 59-2 



31-7 

 42.2 

 45-5 



49.2 to 



52.8 



42.5 



53.6 



S8.S 



23.2 to 



27-S 



25-S 



42.9 



21.0 



18.6 



49.2 to 



52-7 



52.7 to 



563 



52.5 



49.2 

 49.2 



2S-3 



28.8 

 37-6 

 lOS-S 



43-S 

 42.2 



56.0 

 48.4 



50,600 



33,000 to 

 37,000 



16,000 



30,000 to 



3S,oooll 

 32,000 to 

 37,°oo!l 

 45, 000 



35.000 

 50,600 



15,400 



18,800 

 23,700 



37,000 

 25,000 



5 7, 000 

 85,400 

 80,000 

 47,000 



81,400 



72,000 to 

 84,000 



45.000 

 60,000 

 65,000 



70,000 to 

 7S.OOO 



60,500 



76,200 



83,100 



33,000 to 



39.000 



42,000 



61,000 



30,000 



26,500 



70,000 to 

 75,000 

 75,000 to 

 80,000 

 75,000 



70,000 

 70,000 



81,400 



36,000 



40,900 



S3, 500 



150,000 



42,600 



62,000 

 60,000 



79,000 

 68,900 



50.0 

 16.5 



50.0 

 16.0 



12.0 



3Soto 

 22.0 



10. o 



17.0 



3Soto 

 20.0 



30.0 to 

 26.0 

 50.0 

 30.0 



17.0 



0.0 to 

 22.0 

 32.0 to 

 25.0 

 25.0 



20.0 

 30.0 



28.S 

 32.0 



29.6 

 25.0 



350 

 48.0 



3Soto 



25.0 



3S-0 to 

 22.0 



35-oto 

 30.0 



109 to 

 119 



104 to 



119 



28.S 



32.0 to 

 25.0 

 34.0 to 



28.0 

 28.0 



109 to 

 iig 

 119 to 

 130 



18 to 

 19 

 18 to 



25-1 



31-4 



32.0 

 37-0 



40.0 

 70.0 



For Footnotes see page 84. 

 Smthsonian Tables. 



