1 2 4 



Table 70 

 MECHANICAL PROPERTIES 



Miscellaneous Metals and Alloys 



Metal or alloy. 



Approx. composition, 



per cent. 



Cobalt, Co 99.7 

 Gold, Au 100. . . . 



Copper, Au 90, Cu 10. . . . 

 Copper, Silver, Au 58, Cu 



30 Ag 12 



Lead, Pbt 



(Comm'c'l.). 



Antimony tPbgs. s, Sb4.5 



Magnesium, Mg 



Nickel, Ni98.5 



Ni 99-95 



Ni 9 8. S 



Ni 



Ni 



Ni 



Copper, iron, manganese 

 or Monel metal: 



N167, Cu28,Fe3,Mn2. 



Ni66, Cu 28, Fe3-S,Mn 



2-5 



Ni 71, Cu 27, Fe 2 §. 

 46 Mia [| 



46 M 7b || 



Palladium, Pd. 

 Platinum, Pt... 



Silver, Ag 100. . 



Copper, Ag 75, Cu 25, 

 Tantalum, Ta 



Tin, Sn 99.8ft. 



Antimony, Copper, Zinc 



(Britannia Metal): 

 Sn8i,Sbi6, Cu2,Zni 

 Zinc, Aluminum, etc. 

 (aluminum solder): 

 Sn 63, Zn 18, Al 13, Cu 



3,Sb2,Pbi. ... 

 Sn 62, Zn 15, Al 11, Pb 



8, Cu 3 ,Sbi 



Zinc, aluminum: 



Sn86,Zn9,Als 



Aluminum, zinc, cad 

 mium: 

 Sn 78, Al 9, Zn 8, Cd 5 . 



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 oi 

 0.065 in 



f Cast 



1 Rolled 



Wrought 



Drawn hard .... 



Cast, minimums 



Rolled, min., rods 

 and bars lj. . . 



Rolled, mini 



mum, sheets 

 and plates.. . 



Drawn hard . . . 

 f Drawn hard . . . 

 I Drawn ann. . . . 



1 Cast 



[ Drawn hard . . . 



Drawn hard . . . 



Drawn hard. . . 

 f Cast 



Rolled 



Drawn hard . . . 



Cast 



Cast 



Cast, chill . 



Cast, chill . 



gm 

 per 



cm 3 



8.9 

 19-3 



55o 

 556 

 1203 



s 5 



5~ 



Tension, 



kg/mm 2 



2.8 



16.7 : 

 12.6 



8-9 555 



12. 1 

 215 



10.5 

 10.57 



16.6 

 7-3 



755 

 1342 



1035 

 456 



55-1 



28.3 



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- 



26.7 



29.9 



46.0 



64.7 



53-4 



49-3 

 73-8 

 64.8 



112. s 



45-7 



56.2 



45-7 



27.0 



37-3 



24.6 



28.1 



36.0 



77.0 



91.0 



2.8 



3-7 



7.0 



Tension, 

 lb/in* 



23 ,800 ** 

 1 7 ,900 



33.000 

 37,ooo 

 25.000 

 37.000 

 65,100 



30,100 

 78,400 

 40,300 



32,500** 

 40,000 ** 



1,600 



,000 

 ,780 

 ,300 



,4 JO 

 .130 

 .400 

 .000 

 .000 

 ,ooo 



,500 

 .000 

 000 

 000 



SE^ 



"8 * 



BJ'S 



Hard- 

 ness. 



Per cent. 



70,000 

 104,900 

 92,200 



,000 

 .000 



80,000 



14,500 

 13,000 

 12,200 



14.300 



18.0 

 31-3 

 463 



25.0 

 320 



18.0 

 50.0 



1 9 

 1.6 



41.0 



18.0 



CO 



•2S 



20.0 

 01.7 

 70.2 



i-5 



1-3 



81.0 



41.0 



21 



27 



Antimony: Modulus of Elasticity 7960 kg/mm 2 or 11,320,000 lb/in 2 (Bridgman). 



* Compressive strength: cast and annealed, 86.0 kg/mm 2 or 122,000 lb/in 2 



Comm'c'l. comp., C 0.06, cast, tensile, ultimate, 42.8 kg/mm 2 or 61,000 lb/in 2 , with 20 per cent elongation in 50.8 

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



Stellite, Co 59.5, Mo 22.5, Cr 10.8, Fe 3.1, 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 2 or 700,000 lb/in 2 ; drawn hard 703 kg/mm 2 'or 1,000,000 lb/ in 



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



§ Modulus of elasticity 15,800 kg/mm 2 or 22,500,000 lb/in 2 



|| 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. 



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



** Values are for yield point. 



ft Compressive strength: cast, 4.5 kg/mm 2 or 6,400 lb/in 2 



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

 Smithsonian Tables. 



