88 



TABLE 66. 



MECHANICAL PROPERTIES. 



TABLE 66. — Miscellaneous Metals and Alloys. 



Metal or alloy. 



Approx. composition, 



per cent. 



Cobalt, Co 99.7 



Gold, Au 100 



Copper, Au go, Cu 10. . . 

 Copper, Silver, Au 58, Cu 



30 Ag 12 



Lead, Pbf 



(Comm'c'l.). 



Antimony }Pb9S.s,Sb4.s 



Magnesium, Mg 



Nickel, NigS.s.. 



Ni 99.9s 



NigS.s 



Ni 



Ni 



Ni 



Copper, iron, manganese 

 or Monel metal: 



Ni67, Cu28,Fe3,Mn2 



Ni66, Cu 28, Fe3.S, Mn 



Niyi, Cu 27, Fe 2 §. . 

 46 Mia II 



46 M7bl| 



Palladium, Pd. 

 Platinum, Pt... 



Silver, Ag 100. . 



Copper, Ag 75, Cu 25. 

 Tantaliun, Ta 



Tin, Sn gg.Sft". 



Antimony, Copper, Zinc 



(Britannia Metal): 

 Sn 81, Sb 16, Cu 2, Zn i. 

 Zinc, Aluminum, etc. 

 (aluminum solder) : 

 Sn 63. Zn 18, Al 13, Cu 



3,Sb2,Pbi 



Sn 62, Zn 15, Al 11, Pb 



8, Cu3,Sbi 



Zinc, aluminum: 



Sn 86, Zn 9, Al s 



Aluminum, zinc, cad 

 mium: 

 Sn78, AI9, Zn8,Cd5. 



Condition. 



Cast 



Ann 



Cast 



Drawn hard 



Drawn hard 



Drawn hard 



Cast 



Rolled hard 



Drawn soft 



Drawn hard 



Cast 



Drawn hard 



Cast 



Wrought, ann 



Wrought, com 

 Rolled hard, " 

 Rolled ann. " 

 Drawn hard, D = 

 1.65 mm 01 

 0.06s in 



Cast 



Rolled 



Wrought 



Drawn hard. . . . 



Cast, minimums 



Rolled, min., rods 

 and bars H . . . , 



Rolled, mini 



mum, sheets 

 and plates. . 



Drawn hard. . 



Drawn hard. . 



Drawn ann. . . 



Cast 



Drawn hard. . 



Drawn hard. . 



Drawn hard. . 



Cast 



RoUed 



Drawn hard . . 



Cast 



Cast 



Cast, chill 



Cast, chill 



gm 

 per 

 cm^ 



8.9 

 19-3 



11.38 

 11.40 



8.9 



S50 

 SS6 

 1203 





Tension, 

 kg/mm2 



2.8 



16.7 • 

 12.6 



12. 1 



21.5 



lo.S 



IO-S7 



16.6 



7-3 



7S5 

 1342 



1035 

 456 



21.2 

 55-1 

 2S.3 



22.8** 

 28.1** 



23-1 

 26.0 

 18.0 

 26.0 



45-8 



102.0 



1-3 



2-3 



1-7 



2.2 



4-5 



21.0 



23.2 



26.7 



29.9 



46.0 



64.7 



53-4 



49-3 

 73-8 

 64.8 



112.S 



45-7 



56.2 



45 



27.0 



37-3 



24.6 



28.1 



36.0 



77.0 



91.0 



2.8 



3-7 



7.0 



■S5 

 .Eg 



•EE^ 



Tension, 

 lb/in2 



23 ,800 ** 

 17,900 



30,100 

 78,400 

 40,300 



32,500** 

 40,000 ** 



33,000 

 37.000 

 25.000 

 37.000 

 65,100 



14s. 000 



1,780 



3.300 



2,420 



3.130 



6,400 



30,000 



33.000 



38.000 



42.500 



65,000 



92,000 



76,000 



70,000 

 104,900 

 92,200 



160,000 

 65,000 



80,000 



65 ,000 



39.000 



53.000 



35.000 



40,000 



51,200 



109,500 



130,000 



4,000 



5,300 



10,000 





Per cent. 



Hard- 

 ness. 



c o 

 = o 



=3 ■" 



6.1 



14,500 

 13,000 

 12,200 



14,300 



18.0 

 31-3 

 46.3 



25.0 

 32.0 



18.0 

 50.0 



1.9 

 1.6 



41.0 



18.0 



20.0 

 61.7 

 70.2 



IS 

 1-3 



81.0 



41.0 



Antimony: Modulus of Elasticity 7060 kg/mm^ or 11,320,000 lb/in- (Bridgman). 



* Compressive strength: cast and annealed, 86.0 kg/mm- or 122,000 lb/in-. 



Comm'c'l. comp., C 0.06, cast, tensile, ultimata, 42.8 kg/mm^ or 61,000 Ib/in^, with 20 per cent elongation in 50.8 

 or 2 in. Compression, ultimate 123.0 kg/mm^ or 175,000 Ib/in^ 



Stellite, Co 59.5, Mo 22.5, Cr 10.8, Fe3.i, Mn 2.0, C 0.9, Si 0.8. Brinell hardness 512 at 3000 kg. density 8.3- 



t Modulus of elasticity, cast or rolled, 492 kg/mm^ or 700,000 Ib/in^; drawn hard 703 kg/mm^ or 1,000,000 lb/in" 



t For compressive test data on lead-base babbitt metal, see table following zinc. 



§ Modulus of elasticity 15,800 kg/mm^ or 22,500,000 Ib/in^, 



II Specification values, U. S. Navy, Monel metal, Ni min. 60, Cu min. 23, Fe max. 3.5, Mn max. 3.5, C + Si max. 

 0.8, Al max. 0.5. 



1i Values shown are subject to slight modifications dependent on shapes and thicknesses. 



** Values are for yield point. 



tt Compressive strength: cast, 4.5 kg/mm^ or 6,400 Ib/in^ 



Modulus of elasticity: cast av. 2,810 kg/mm* or 4,000,000 Ib/in^; rolled av. 401.0 kg/mm' or 5,700,000 lb/in' 



Smithsonian Tables. 



