Products
C37000
Free-Cutting Muntz
As one of the low lead alloys offered in the EcoStream™ family of products, Mueller Brass Company’s C37000 alloy provides a viable alternative to those manufacturers who are manufacturing products and components that require compliance with the recently approved “Reduction of Lead in Drinking Water Act.” The legislation re-defines the term “lead-free” to mean “… no more that a weighted average of 0.25% lead when used with respect to the wetted surfaces of pipes, plumbing fittings and fixtures.” With this in mind, Mueller Brass Company’s C37000 alloy provides a low lead alloy that aids in the compliance to this legislation, while maintaining machinability ratings and forging performance near that of conventional free cutting and forging alloys.
Chemistry
| Cu | Pb | Fe | Zn | P | As | Sn | Al | Mn | Ni | Si | Others |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 59.0 - 62.0 | 0.8 - 1.5 | 0.15 MAX | REM | NA | NA | NA | NA | NA | NA | NA | <0.4 |
Shapes & Sizes
| Rounds | Hex | Square | Octagon | Rectangle | Special Shapes |
|---|---|---|---|---|---|
| 0.250" to 4.000" | 0.250" to 3.500" | 0.375" to 3.000" | Consult Mill | Consult Mill | Consult Mill |
Minimal Mechanical Tolerances
| Tensile Strength (KSI) | Yield Strength (KSI) | Elongation % | Rockwell B Hardness |
|---|---|---|---|
| 65 | 45 | 0.3 | 75 |
Tolerances (Rounds)
| .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" |
|---|---|---|---|---|---|---|---|
| +/-0.002 | +/-0.002 | +/-0.003 | +/-0.004 | 0.20% of Diameter | 0.20% of Diameter | 0.20% of Diameter | 0.20% of Diameter |
Tolerances (Hex)
| .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" |
|---|---|---|---|---|---|---|---|
| +/-0.004 | +/-0.004 | +/-0.005 | +/-0.006 | 0.30% of Diameter | 0.30% of Diameter | 0.30% of Diameter | 0.30% of Diameter |
Machinability
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
Specifications. Equal.
| Option 1 | Option 2 | Option 3 | Option 4 | Option 5 | Option 6 | Option 7 |
|---|---|---|---|---|---|---|
Workability
| Cold Working Capacity | Thread Rolling | Cold Heading | Hot Working Capacity | Machinability Rating |
|---|---|---|---|---|
| NA | Excellent | NA | Excellent | Good |
Applications / Markets
| Transportation | Plumbing | Defense | Refrigeration | Medical | Industrial | Builder's Hardware | Architecture | Marine |
|---|---|---|---|---|---|---|---|---|
| Forged Parts & Components for Lead-Free Applications & Products | Automatic Screw Machine Parts |