MECHANICAL PROPERTY LIMITS
	
		
		
		
		
		
	
	
					
			| Temper | 
			Tensile Strength | 
			Yield Strength | 
			Elongation | 
			Rockwell B Hardness* | 
		
		
			x1000PSI(N/mm²=KSI x 6.895) x1000PSI(Kgf/mm²=KSI x .7031) | 
			nominal % in 2in. (=% in 50 mm.) | 
			Nominal .020" gauge and over | 
		
	
		
            | 1/2 Hard | 
			42 - 42 | 
			44 | 
            17 | 
             | 
		
		
            | 1/4 Hard | 
			37 - 47 | 
			30 | 
            30 | 
             | 
		
		
            | 3/4 Hard | 
			46 - 56 | 
			50 | 
            9 | 
             | 
		
		
            | Annealed | 
			34 - 40 | 
			10 | 
            45 | 
             | 
		
		
            | Ex Hard | 
			56 - 64 | 
			59 | 
            2 max | 
             | 
		
		
            | Ex Spring | 
			61 - 69 | 
			64 | 
            2 max | 
             | 
		
		
            | Hard | 
			50 - 59 | 
			53 | 
            5 | 
             | 
		
		
            | Spring | 
			6 0 - 68 | 
			63 | 
            2 max | 
             | 
		
 
  
	- Yield Strength - x1000PSI(Nominal .2% offset)(N/mm²=KSI x 6.895)
 
	- Yield Strength - x1000PSI(Nominal .2% offset or range)(Kgf/mm²=KSI x .7031)
 
	- Rockwell F, 30T, 15N, or H where noted
 
 
CHEMICAL COMPOSITION LIMITS (%)
	
		
			| ASTM Spec Number | 			
			Nominal Composition | 
			Density | 
			Module of Elasticity | 
			Electric Conductivity | 
			Thermal Conductivity | 
			Coefficient of Thermal Expansion | 
		
		
			 |  | 
			(a) | 
			(b) | 
			(c) | 
			(d) | 
			(e) | 
		
	
		
			| B36 | 
			Cu 95 Zn 5 | 
            0.32 | 
            17 | 
            56 | 
            135 | 
            10 | 
		
   
 
  
	- (a) X 106 PSI, tension (Kgf/mm² = KSI x .7031)
 
	- (b) % IACS AT 68°F (20°C) as annealed
 
	- (c) BTU•ft. @ 68°F ft²•hr•F (20°C)
 
	- (d) Inches/inch/°F x 10-5 from 68°F to 572°F (20°C to 300°C)