Product Details, Specifications, and Technical Information

See Brass Tolerances

C693 brass round bar is a lead free and more corrosion resistant replacement to brass 360. 693 Brass is specifically designed to machine at almost the same rate as free machining brass, but because it is lead free, it will be compliant with state laws that restrict the use of lead in plumbing fittings that come into contact with drinking water. The removal of lead and other harmful chemicals such as Arsenic and Bismuth make this alloy much safer for the environment.

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Dimension Name Specification
Diameter 0.25
Max Length 144
Alloy 693
MTR Availability Yes
Full Length true
Material Brass
Shape Bar-Round
Custom Cut Warehouse 1
Specs: ASTM ASTM-B371
Rockwell Hardness B85
Brinell Hardness 163
Material Specifications

This material meets the following specs: ASTM -B371, ASTM -B124

Weight/Lineal Foot
0.18 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 151
Density g/cm^3 8
Rockwell Hardness B Scale 88
Elongation Typical % 8
Melting Point °F 1570 - 1620
Modulus of Elasticity KSI x 10^3 16
Specific Heat BTU/lb-°F (32-212F) 1
Thermal Conductivity BTU-in/hr-ft^2-°F 264
Tensile Strength KSI 92
Yield Strength KSI 57
Shear Strength KSI 54
Chemistry Information: 693 Brass
Element Percentage
Cu 73 - 77
Zn 18.4 - 24.3
Si 2.7 - 3.4
P 0.04 - 0.15
Sn 0 - 0.2
Mn 0 - 0.1
Ni 0 - 0.1
Fe 0 - 0.1
Pb 0 - 0.09
Residual 0 - 0.5
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