... and Covar 36Ni, 32NiCoCu, 29NiCo, 42Ni, 38NiCoCu, 47NiCu, etc. Alloys with a given temperature coefficient of linear expansionAlloy GradeCarbonSiliconManganeseSulphurPhosphorChromeNickelCobaltCupperIronOther elements29NiCo29NiCo- ... 29,517,0-18,00,2 maxBalanceAluminum 0,2 max;Titanium 0,1 max.36Ni.36Ni-WNi0,050,300,3-0 ... 53,2-4,20,6-0,8BalanceAluminum 0,2 max;Titanium 0,1 max;38NiCoCu0,050,300,4 max0,4 ...