Products

Low Lead Alloys

Our Low-lead Alloy offering provides customers with the right balance between lead-free compliance and the prevailing necessity of remaining competitive while maintaining productivity. Available in rod, bar, and hot forgings; Mueller Brass Company’s Low-lead products are a compilation of new and existing alloys and products developed and chosen to provide manufacturers with practical options and solutions for their lead-free compliance strategies. Mueller Brass Company strives to comply with the continuously changing lead regulations for potable water applications.

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Low-Lead Brass Alloys
Alloy Cu Pb Fe Zn P As Sn Al Mn Ni Si Others
C27450 61.0 - 65.0 0.25 MAX 0.35 MAX REM NA NA NA NA NA NA NA <0.5
C27451 61.0 - 65.0 0.25 MAX 0.35 MAX REM 0.05 - 0.20 NA NA NA NA NA NA <0.5
C36300 61.0 - 63.0 0.25 - 0.7 0.15 MAX REM 0.04 - 0.15 NA NA NA NA NA NA <0.5
C37000 59.0 - 62.0 0.8 - 1.5 0.15 MAX REM NA NA NA NA NA NA NA <0.4
C69300 73.0 - 77.0 0.09 MAX 0.1 MAX REM 0.04 - 0.15 NA 0.2 MAX NA 0.1 MAX 0.1 MAX 2.7 - 3.4 <0.5
Alloy Rounds Hex Square Octagon Rectangle Special Shapes
C27450 0.250" to 3.000" 0.250" to 3.000" Consult Mill Consult Mill Consult Mill Consult Mill
C27451 0.250" to 3.000" 0.250" to 3.500" Consult Mill Consult Mill Consult Mill Consult Mill
C36300 0.250" to 4.000" 0.250" to 3.500" 0.375" to 3.000" Consult Mill Consult Mill Consult Mill
C37000 0.250" to 4.000" 0.250" to 3.500" 0.375" to 3.000" Consult Mill Consult Mill Consult Mill
C69300 Consult Mill Consult Mill Consult Mill Consult Mill Consult Milll Consult Mill
Alloy Tensile Strength (KSI) Yield Strength (KSI) Elongation % Rockwell B Hardness
C27450 58 40 0.3 55 - 75
C27451 55 35 0.3 55 - 75
C36300 60 - 65 40 - 45 .2 - .3 70 - 75
C37000 65 45 0.3 75
C69300 80 55 .15 85
Alloy .0250" to 0.375" 0.375" to 0.500" 0.500" to 1.000" 1.000" to 2.000" 2.000" to 2.500" 2.500" to 3.000" 3.000" to 3.500" 3.500" to 4.000"
C27450 D/NA D/NA D/NA D/NA D/NA D/NA D/NA D/NA
C27451 D/NA D/NA D/NA D/NA D/NA D/NA D/NA D/NA
C36300 +/-0.002 +/-0.002 +/-0.003 +/-0.004 NA NA NA NA
C37000 +/-0.002 +/-0.002 +/-0.003 +/-0.004 0.20% of Diameter 0.20% of Diameter 0.20% of Diameter 0.20% of Diameter
C69300 Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill
Alloy .0250" to 0.375" 0.375" to 0.500" 0.500" to 1.000" 1.000" to 2.000" 2.000" to 2.500" 2.500" to 3.000" 3.000" to 3.500" 3.500" to 4.000"
C27450 D/NA D/NA D/NA D/NA D/NA D/NA D/NA D/NA
C27451 D/NA D/NA D/NA D/NA D/NA D/NA D/NA D/NA
C36300 +/-0.004 +/-0.004 +/-0.005 +/-0.006 NA NA NA NA
C37000 +/-0.004 +/-0.004 +/-0.005 +/-0.006 0.30% of Diameter 0.30% of Diameter 0.30% of Diameter 0.30% of Diameter
C69300 Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill
Alloy Lathe Speed Lathe Feed Lathe Back Rack Angle Lathe Clearance Angle Drill Speed Drill Feed Drill Back Rack Angle Drill Clearance Angle Milling Cutters Speed Milling Cutters Feed Milling Cutters Back Rack Angle Milling Cutters Clearance Angle Form Tools Speed Form Tools Feed Form Tools Back Rack Angle Form Tools Clearance Angle Taps Speed Tap Feed Tap Back Rack Angle Tap Clearance Angle
C27450 75 - 750 0.008 - 0.015 5 - 15 5 - 15 50 - 125 (w/HSS) / 150 - 300 (w/Carbide) D/NA D/NA 12 - 20 200 - 400 D/NA 5 - 15 5 - 15 D/NA D/NA D/NA D/NA 40 - 50 D/NA 5 - 15 N/a
C27451 75 - 750 0.008 - 0.015 5 - 15 5 - 15 50 - 125 (w/HSS) / 150 - 300 (w/Carbide) D/NA D/NA 12 - 20 200 - 400 D/NA 5 - 15 5 - 15 D/NA D/NA D/NA D/NA 40 - 50 D/NA 5 - 15 D/NA
C36300 300 - 1600 0.008 - 0.015 0 - 6 0 - 5 300 - 1000 D/NA D/NA 12 - 15 300 - 500 D/NA 0 - 10 10 - 15 D/NA D/NA D/NA D/NA 100 - 200 D/NA 8 - 10 D/NA
C37000 300 - 1000 0.002 - 0.015 0 - 5 6 300 - 1000 D/NA D/NA 12 - 15 200 - 500 D/NA 0 - 3 5 - 10 D/NA D/NA D/NA D/NA 100 - 200 D/NA 2 - 4 D/NA
C69300 Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill Consult Mill
Alloy Option 1 Option 2 Option 3 Option 4 Option 5 Option 6 Option 7
C27450 D/NA D/NA D/NA D/NA D/NA D/NA D/NA
C27451
C36300
C37000
C69300 ASTM B371 ASTM B283 ASTM B124
Alloy Cold Working Capacity Thread Rolling Cold Heading Hot Working Capacity Machinability Rating
C27450 Excellent Excellent Excellent Excellent 70
C27451 Excellent Excellent Excellent Excellent 70
C36300 NA Excellent NA Good Excellent
C37000 NA Excellent NA Excellent Good
C69300 Poor NA NA Excellent 85
Alloy Transportation Plumbing Defense Refrigeration Medical Industrial Builder's Hardware Architecture Marine
C27450 Potable Water Components, Fixtures
C27451 Potable Water Components, Fixtures
C36300 Screw Machine Parts & Components for Potable Water Products
C37000 Forged Parts & Components for Lead-Free Applications & Products Automatic Screw Machine Parts
C69300 Fluid Connectors, Sensor Bodies, Thermostat Parts Potable Water Applications and Components, Faucet Stems, Faucets, Plumbing Fittings, Water Meter Cases Automatic Screw Machine Parts, Bolts, Condenser Tube Plate, Nuts, Pneumatic Fittings, Pump Parts, Valve Bodies for Water, Valve Stems Marine Products, Propeller Shafts
Low-Lead Brass Alloys

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