Phosphor Bronze 

British Standard : PB1  
Indian Standard : 
Nominal Composition : 89 / 10 / 0 / 1 
Tensile Strength (kg/mm2) : 22-28 
Elongation % on 2" : 2-8 
Brinell Hardness : 60-100 
Typical Uses : Bearings for aero engines, diesel engines, electrical generators and rolling mills. 

British Standard : PB2  
Indian Standard : 
Nominal Composition : 88/12 
Tensile Strength (kg/mm2) : 22-31 
Elongation % on 2" : 5-15 
Brinell Hardness : 75-110 
Typical Uses : Gear and worn wheels 

British Standard : PB3  
Indian Standard : 
Nominal Composition : 90/10 
Tensile Strength (kg/mm2) : 23-31 
Elongation % on 2" : 10-20 
Brinell Hardness : 70-90 
Typical Uses : Pressure vessels, pump body castings and impellers for chemical plants 

British Standard : PB4  
Indian Standard : 
Nominal Composition : 90.5 / 9.5 
Tensile Strength (kg/mm2) : 19-26 
Elongation % on 2" : 3-12 
Brinell Hardness : 70-95 
Typical Uses : Bearings for aero engines, diesel engines, electrical generators and rolling mills. 

British Standard : LPB1  
Indian Standard : 
Nominal Composition : 87/8/2/3 
Tensile Strength (kg/mm2) : 18-25 
Elongation % on 2" : 3-12 
Brinell Hardness : 60-90 
Typical Uses : Bearings and bushes for lighter duties 
 

Name
Phosphor Bronze
BS
LPB1
PB1
PB2
PB4
Element Min Max Min Max Min Max Min Max
  % % % % % % % %
Copper Rem - Rem - Rem - Rem -
Tin 6.50 8.50 10.20 11.50 11.20 13.00 9.70 -
Zinc - 2.00 - 0.05 - 0.30 - 0.50
Lead 2.00 3.80 - 0.25 - 0.50 - 0.75
Phosphorous 0.40 - 0.60 1.00 0.25 0.60 0.50 -
Nickel - 1.00 - 0.10 - 0.50 - 0.50
Iron - 0.20 - 0.10 - 0.10 - -
Aluminium - 0.01 - 0.01 - 0.01 - -
Maganese - - - 0.05 - - - -
Antimony - 0.25 - 0.05 - - - -
Iron+Arsenic - - - - - - - -
Antimony - - - - - - - -
Silicon - 0.01 - 0.02 - 0.02 - -
Bismuth - - - - - - - -
Maganesium - - - - - - - -
Sulphur Nicbium - 0.10 - 0.05 - 0.10 - 0.10
Impurities - 0.50 - 0.60 - 0.20 - 0.50
 
 
 
 
 
Manufacturer and exporter of Copper Alloy Ingots
 
 
  HomeProfileProductsAlloy Chemical ChartIndustriesContactE-mail
 
  
India's first ISO 9002 registered firm in the field of Alloys and Ingot manufacturing 
  
  
  
PRODUCTS
 
Brass
Bronze
Gun Metal
Lead Bronze
Phosphor Bronze
Aluminium Bronze
Manganese Bronze
High Tensile Brass
Phosphor Copper
Cupro Nickel
Cupro Iron
Alloys
Ingots
 
 
Manufacturer of High Grade Copper based Alloys and Ingots confirming to 
I.S., B.S., DIN, ASTM, UNI and JIS standards
| Home | Profile | Alloy Chart | Industries | Products | Contact | E-mail |
| Gun Metal | Phosphor Bronze | Lead Bronze | Aluminium Bronze |
| Bronze | High Tensile Brass | Brass |

Brass Castings   Copper Castings  GunMetal Casting   Bronze Casting   S.S. Stainless Steel Castings   


Brass Castings   Copper Castings  GunMetal Casting   Bronze Casting   S.S. Stainless Steel Castings