-->// (Engineering Materials)Example 2.1
 
-->//Refer Table 2.13 on page 52
 
-->//Store data in respective arrays in the order:
 
-->//Sequence: {Low alloy steel, Plain carbon steel, Stainless steel, Chromium steel}
 
-->//Ulimate tensile strengths  U N/mm2
 
-->U = {850 850 1200 950}
 U  =
 
    850.    850.    1200.    950.  
 
-->//Hardenability Index H
 
-->H = {60 80 30 100}
 H  =
 
    60.    80.    30.    100.  
 
-->//Cost (Rs/unit) C
 
-->C = {40 50 100 80}
 C  =
 
    40.    50.    100.    80.  
 
-->//Point weightage for ultimate tensile strength
 
-->Uw = 5
 Uw  =
 
    5.  
 
-->//Point weightage for hardenability
 
-->Hw = 3
 Hw  =
 
    3.  
 
-->//Point weightage for cost-economy
 
-->Cw = 2 
 Cw  =
 
    2.  
 

	|Material Property	|Low alloy steel	|Plain carbon steel	|Stainless steel	|Chromium steel

a)	Tensile Strength
	Per cent		0.221			0.221			0.312			0.247	
	Points			1.104			1.104			1.558			1.234

b)	Hardenability
	Per cent		0.222			0.296			0.111			0.370	
	Points			0.667			0.889			0.333			1.111

c)	Cost
	Per cent		0.370			0.296			0.148			0.185	
	Points			0.741			0.593			0.296			0.370

	Total Points		2.511			2.585			2.188			2.715	

Chromium steel is the best material for the component