Copper-Zinc Alloys (Brasses)

 

CXM Product Range

UNS

Cu

Pb

Sn

Fe

Ni

Al

Si

Mn

OTHER 

C27000a,b
63.0 - 68.5
0.09
0.07
NOTE 1
C27450b
60.0 - 65.0
0.25
0.35
NOTE 2

 

Typical Mechanical and Physical Properties

UNS

Tensile
ksi

Yield
ksi

Elong
%

HRB

Density
lb/in3

Elec Cond
% IACS

Therm Cond
BTU/(hr*ft*F)

Machinability

C27000a,b
48 - 120
16 - 40
3 - 66
55
0.306
27
67
30
C27450b
63
47
25
68
0.310
27
67
70

 

Cross Reference Specifications

CXM Temper Codes

CXM Finished Product

UNS
AMS
ASTM
SAE
Bar
Wire
Rod
Forging
Shapes
Tube
Cont
Cast
C27000a,b
4712
4713
B134, B135
J461, J463
H01, H02, H04
X
X
X
C27450b
B134, B135
H04
X
X

 

NOTE 1
  Cu + Sum of Named Elements, 99.7%
NOTE 2
  Cu + Sum of Named Elements, 99.5%
(a)
  Alloys that are registered with the U.S. EPA as Antimicrobial
(b)
  CXM alloys that are of the BioBrass® family