The 85-15 Alloy PLI (PLI-15)
	
	
Designation
	
		
			| Name | 
			The value | 
		
	
	
		
			| Designation GOST Cyrillic | 
			ПлИ 85-15 | 
		
		
			| Designation GOST Latin | 
			PlI 85-15 | 
		
		
			| Transliteration | 
			PlI 85-15 | 
		
		
			| The chemical elements | 
			PtIr 85-15 | 
		
	
	
		
			| Name | 
			The value | 
		
	
	
		
			| Designation GOST Cyrillic | 
			ПлИ-15 | 
		
		
			| Designation GOST Latin | 
			PlI-15 | 
		
		
			| Transliteration | 
			PlI-15 | 
		
		
			| The chemical elements | 
			PtIr-15 | 
		
	
	Description
	The 85−15 alloy PLI is used: for the manufacture of semi-finished products (sheets, tapes, strips, foils, wire, pipes, profiles, forgings) by hot or cold deformation used in instrument and apparatus building; and discontinuous sliding contacts; medical supplies.
Note
Platinum-iridium alloy.
Standards
	
		
			| Name | 
			Code | 
			Standards | 
		
	
	
		
	| Non-ferrous metals, including rare metals, and their alloys | 
	В51 | 
	GOST 13498-79, GOST 13498-2010 | 
	| Wire of non-ferrous metals and their alloys | 
	В74 | 
	GOST 18389-2014, TU 48-1-72-83 | 
	| Sheets and stripes | 
	В53 | 
	GOST 24353-80 | 
	| Classification, nomenclature and general norms | 
	В50 | 
	GOST 6563-75 | 
	
Chemical composition
	
		
			| Standard | 
			
Fe | 
 
Ir | 
 
Pt | 
		
	
	
		
	| GOST 13498-2010 | 
	
≤0.04 | 
14.6-15.4 | 
84.6-85.4 | 
	
Pt is the basis. 
 According to GOST 13498-79, GOST 13498-2010, the total content of palladium, rhodium and gold in the alloy should be ≤ 0.15%. The sum of all normalized impurities should be ≤ 0.19%.
Mechanical characteristics
	
		
			
| σB, MPa | 
		
	
	
		
	| GOST 13498-2010 | 
	
| 440-640 | 
	
Description mechanical marks
	
		
			| Name | 
			Description | 
		
	
	
		
	| σB | 
	Limit short-term strength | 
	
Physical characteristics
	
		
			| Temperature | 
			
r, кг/м3 | 
		
	
	
		
	| 20 | 
	
21590 | 
	
A description of the physical symbols
	
		
			| Name | 
			Description | 
		
	
	
		
	| l | 
	Coefficient of thermal conductivity |