See Bronze Tolerances

Bronze Round Bar 544 offers strength, corrosion resistance, wear resistance, and workability. The addition of lead gives 544 poor performance in hot working and welding. It is typically used for electrical connectors, bushings, gears, pinions, screw products, thrust washers, valves, and shafts.

shape Image

Dimension Name


Alloy 544
Temper H04
Diameter 0.375
Max Length 144
MTR Availability Yes
Full Length true
Material Bronze
Shape Bar-Round
Custom Cut Warehouse 1
Material Specifications

This material meets the following specs: ASTM -B139

Weight/Lineal Foot

0.43 pounds
Please note that this data is to be used ONLY FOR REFERENCE, NOT FOR DESIGN, and by using it,you agree that any decisions you make regarding materials for your project are at your own discretion.

Mechanical Properties

Property Value
Brinell Hardness 500 kg load 145
Rockwell Hardness B Scale 86
Elongation Typical % 13
Density g/cm^3 8
Melting Point °F 1700 - 1830
Modulus of Elasticity KSI x 10^3 16
Tensile Strength KSI 50 min
Thermal Conductivity BTU-in/hr-ft^2-°F 604
Specific Heat BTU/lb-°F 9
Yield Strength KSI 39 min

Chemistry Information: 544 Bronze

Element Percentage
Fe 0 - 0.1
Cu 85.4 - 91.5
Zn 1.5 - 4.5
Sn 3.5 - 4.5
Pb 3.5 - 4.5
Residual 0 - 0.5
P 0.01 - 0.5
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