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Manganese Bronze
 
 Chemical Composition Physical Properties
 
 Chemical Composition
 
HTB-1
 
Standard: BS 1400
 
Copper Alloys CU SN PB ZN FE NI AL MN SI Impurities
HTB 1 55 Min 1 0.5 Rem. 0.7 - 2 1 0.5-2.5 0.1-3 0.1 0.2
 
HTB-2
 
Standard: 304-1981
 
Copper Alloys CU SN PB ZN FE AL MN SI Impurities
HTB-2 55 Min 0.2 0.2 Rem. 1.5-3.25 3-6 4 0.1 0.2
 
HTB-3
 
Standard: BS 1400
 
Copper Alloys CU SN PB ZN FE NI AL MN SI Impurities
HTB-3 55 Min 0.2 0.2 Rem. 1.5-3.25 1 3-6 1.5-4 0.1 0.2
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 Physical Properties
 
Manganese Bronze          
Grade B.S. 
1400: 1985
Nominal 
Composition
2% PS
N/mm Min
Tensile Strength
N/mm Min
Elongation 
% Min
Brinell
Hardness Min
HTB1 58/1/1/1/39 170 450 20 110
HTB1 58/1/2/3/36        
HTB1 58/2/2/4/34 450 750 8 180
HSBC4   410 755 12 200
HSBC3   305 635 15 165
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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