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Leaded Tin Bronze 85-5-5-5, often referred to as simply 85-5-5-5, is a versatile and highly sought-after engineering material used in a wide range of applications. This alloy consists of 85% copper, 5% tin, 5% lead, and 5% zinc, and it offers a unique combination of properties that make it indispensable in various industries.
Exceptional Machinability: One of the standout features of Leaded Tin Bronze 85-5-5-5 is its exceptional machinability. The lead content in this alloy acts as a lubricant during machining, reducing tool wear and extending tool life. This characteristic makes it a preferred choice for components that require intricate shaping and precise dimensions, such as bushings, bearings, and intricate parts in the automotive and manufacturing sectors.
Superior Wear Resistance: With its high tin content, this bronze alloy exhibits excellent wear resistance. It can withstand heavy loads and abrasive conditions, making it ideal for applications where components are subjected to continuous friction and wear, like bearings, bushings, and gears. The lead content also contributes to reducing friction, further enhancing its performance in wear-prone environments.
Corrosion Resistance:Leaded Tin Bronze 85-5-5-5 offers good corrosion resistance, making it suitable for use in various environments, including marine and industrial settings. It can withstand exposure to moisture, chemicals, and saline conditions, making it a reliable choice for components in shipbuilding, chemical processing, and hydraulic systems.
Centrifugal | ASTM B271, SAE J462, J461 |
Continuous | ASTM B505, SAE J461, J462 |
Lead Tin Round bar size | Diameter: 3mm~800mm |
Lead Tin bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
Lead Tin Square bar size | 4mm*4mm~100mm*100mm |
Lead Tin Flat bar size | Thickness: 2mm~100mm |
Width: 10mm~500mm | |
Lead Tin Hex Bar size | 2mm~100mm |
Lead Tin Billet Size | 1/2″ to 495mm Diameter |
Lead Tin Rectangles Size | 33mm x 30mm to 295mm x 1066mm |
Finish | Bright, Polish, Bright, Rough Turned, Grinding, Centreless Ground & Black |
Length | 1000mm-6000mm |
Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
Surface | Hot Rolled Pickled or Sand Blasting Finished, Cold Drawn, Bright, Polished, Hairline |
Condition | Cold Drawnd Pulished Cold Drawn Centreless Ground & Polished, Annealed round bar |
Technique | Lead Tin Bronze Hot Rolled, Cold Rolled, Cold Drawn, Forged Round Bar, Rod |
Form | Round, Rod, Precision Ground Bar, Square, Round Rod, Hollow, Hex (A/F), Triangle, Rectangle, Threaded, T-Bar, Half Round Bar, Flat Bar, Rings, Blocks, Billet, Ingot, I/H Bar, Angle, Channel Bar, Profiles, Forging Etc. |
Thermal Conductivity: This bronze alloy possesses excellent thermal conductivity, making it ideal for heat exchangers, electrical connectors, and other applications that require efficient heat transfer. Its ability to dissipate heat quickly helps maintain the integrity and functionality of critical components.
Low Friction Coefficient: The presence of lead in the alloy results in a low friction coefficient, which is beneficial in applications where reduced friction and minimal heat generation are essential. This characteristic is particularly advantageous for machinery components, ensuring smooth and efficient operation while prolonging the lifespan of the parts.
To preserve the high standards of our selection of industrial round bar, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of round bar.
Cu(1) |
Al | Sb | Fe | Pb | Ni(2) | P(3) | Si | S | Sn | Zn | |
Min./Max. | 84.0-86.0 | .005 | .25 | .30 | 4.0-6.0 | 1.0 | .05 | .005 | .08 | 4.0-6.0 | 4.0-6.0 |
Nominal | 85.0 | - | - | - | 5.0 | - | - | - | - | 5.0 | 5.0 |
Temper | Section Size |
Cold Work |
Typ/ Min |
Temp | Tensile Strength |
Yield Strength (0.5% ext. under load) |
Yield Strength (0.2% offset) |
Yield Strength (0.05% offset) |
El | Rockwell Hardness |
Vickens Hard. |
Brinell Hard. |
Shear Strength |
Fatigue Strength* |
Izod Impact Strength |
||||
in. | % | F | ksi | ksi | ksi | ksi | % | B | C | F | 30T | 500 | 500 | 3000 | ksi | ksi | ft-lb | ||
mm. | C | MPa | MPa | MPa | MPa | MPa | MPa | J | |||||||||||
As Sand Cast | |||||||||||||||||||
M01 | 0.0 | 0 | TYP | 68 | 37 | 17 | - | - | 30 | - | - | - | - | - | 60 | - | - | 11 | 10.0 |
0.0 | 20 | 255 | 117 | - | - | 30 | - | - | - | - | - | 60 | - | - | 76 | 14.0 | |||
As Centrifugal Cast | |||||||||||||||||||
M02 | 0.0 | 0 | SMIN | 68 | 30 | 14 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0.0 |
0.0 | 20 | 207 | 97 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0.0 | |||
As Continuous Cast | |||||||||||||||||||
M07 | 0.0 | 0 | SMIN | 68 | 36 | 19 | - | - | 15 | - | - | - | - | - | - | - | - | - | 0.0 |
0.0 | 20 | 248 | 131 | - | - | 15 | - | - | - | - | - | - | - | - | - | 0.0 | |||
As Sand Cast | |||||||||||||||||||
M01 | 0.0 | 0 | SMIN | 68 | 30 | 14 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0.0 |
0.0 | 20 | 205 | 97 | - | - | 20 | - | - | - | - | - | - | - | - | - | 0.0 |
Hardness Test
Chemical and Physical Testing
Tensile test on metals - ISO 6892-1
Universal Testing Machine
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