Brass RodProduct Information

Alloy Listings and Chemistries

Standard Alloys

UNS Designation Name Cu Pb Zn Fe T.O.E.
C34500 Thread Rolling Brass 62.0 - 65.0 1.50 - 2.50 34.5 (nom) 0.15 (max) 0.40 (max)
C35300 High Leaded Brass 60.0 - 63.0 1.50 - 2.50 36.5 (nom) 0.15 (max) 0.50 (max)
C36000 Free Cutting Brass 60.0 - 63.0 2.50 - 3.00 35.4 (nom) 0.35 (max) 0.50 (max)
C36010 Leaded Brass 60.0 - 63.0 3.10 - 3.70 35.1 (nom) 0.35 (max) 0.50 (max)
C37700 Forging Brass 58.0 - 61.0 1.50 - 2.50 38.0 (nom) 0.30 (max) 0.50 (max)
 

No/Low Lead Alloys Header

UNS Designation Name Cu Pb Zn Fe Sn T.O.E.
C27450 Lead-Free Brass 60.0 - 65.0 0.25 (max) 37.5 (nom) 0.35 (max) 0.50 (max)
C27451 N/A N/A N/A N/A N/A N/A N/A
C36300 N/A N/A N/A N/A N/A N/A N/A
C36500 Leaded Muntz Metal 58.0 - 61.0 0.25 - 0.70 40.0 (nom) 0.15 (max) 0.25 (max) 0.40 (max)
C37000 Free Cutting Muntz Metal 59.0 - 62.0 0.80 - 1.50 39.0 (nom) 0.15 (max 0.40 (max)
 

Engineered Alloys

UNS Designation Name Cu Pb Zn Fe As Sn Al Mn Ni Si T.O.E.
C35000 Medium Leaded Brass 60.0 - 63.0 0.80 - 2.00 37.4 (nom) 0.15 (max) 0.40 (max)
C35330 DZR Brass 59.5 - 64.0 1.50 - 3.50 0.20 - 0.25 0.50 (max)
C38500 Architectural Brass 55.0 - 59.0 2.50 - 3.50 40.0 (nom) 0.35 (max) 0.50 (max)
C48500 Naval Brass 59.0 - 62.0 1.30 - 2.20 37.5 (nom) 0.10 (max) 0.50 - 1.00 0.50 (max)
C67300 Dynalloy 58.0 - 63.0 0.40 - 3.00 34.1 (nom) 0.50 (max) 0.30 (max) 0.25 (max) 2.00 - 3.50 0.25 (max) 0.50 - 1.50 0.50 (max)
 

Shapes and Sizes

Sizes and Shapes

Shapes Minimum Maximum
(inches) (mm) (inches) (mm)
Rounds 0.250 6.35 4.000 101.60
Hexagonal (1): 0.250 6.35 3.750 95.25
Squares 0.375 9.53 2.000 50.80
Octagons 0.375 9.53 3.500 88.90
Cast and Turn Billets 5.000 127.00 12.000 304.80
Special Shapes Consult Mill
  • (1) Round and Sharp Corners
 

Tolerance Header

Diameter Tolerances for Cold Drawn Bars

Diameter or Distance Between Flats Nonrefractory Alloys (1) Refractory Alloys (2)
To From Round Hexagons / Octagons Round Hexagons / Octagons
(inches) (mm) (inches) (mm) (inches) (mm) (inches) (mm) (inches) (mm) (inches) (mm)
≥ 0.250 6.350 0.500 12.700 0.038 0.076 0.00200 0.051 0.00400 0.102
> 0.500 12.700 1.000 25.400 0.051 0.102 0.00300 0.076 0.00500 0.127
> 1.000 25.400 2.000 50.800 0.064 0.127 0.00400 0.102 0.00600 0.152
> 2.000 50.800 4.000 (4) 101.600 20% (3) 40% (3)
  • (1) Non- Refractory Alloys: C27450, C34500, C35300, C35300, C36000, C36500, C37700 (as extruded), C48500, C67300 (as extruded)
  • (2) Refractory Alloys: C37700, C67300 (as drawn)
  • (3) Denotes: % of specified diameter or distance between parallel surfaces to the nearest 0.001"
  • (4) Rounds: 4.00" max OD (drawn), Hexagonals: 3.75" max OD (drawn)

 

Straightness Tolerance

Shape Length Tolerance
Rounds All Lengths 1/4" in and 10' portion
Hexagonal & Octagonals All Lengths 3/8" in and 10' portion
Square All Lengths 3/8" in and 10' portion