Brass Copper Castings India
C31600 Leaded Commercial Bronze (Nickel-Bearing)

* = are alloys registered with the U.S. EPA as Antimicrobial.
1) = Cu + Sum of Named Elements 99.8% min.
2) = Cu + Sum of Named Elements 99.7% min.
3) = Cu + Sum of Named Elements 99.5% min.
4) = Cu + Sum of Named Elements 99.3% min.
5) = For optimum DZR properties , Zn should not exceed 38%.
6) = P may be substituted for As.
7) = Cu + Sum of Named Elements 99.1% min.
8) = Cu + Sum of Named Elements 99.6% min.
9) = For flat products, the iron shall be 0.10% max.
10) = Cu, 61.0% min. for rod.
11) = Pb may be reduced to 1.0% by agreement.
12) = Ni value includes Co.
13) = Cu value includes Ag.
14) = Includes Co.
15) = Te + Se 0.006% max.
16) = For tubular products, the minimum Sn content may be 0.9%.
17) = Includes Lanthanum 0.01-0.08

UNS # Cu Pb Sn Zn Fe P Other Named Elements Status
Min% Max% Min% Max% Min% Max% Min% Max% Min% Max% Min% Max% Min% Max%
C31600
Leaded Commercial Bronze (Nickel-Bearing)
87.5 90.5(8) 1.3 2.5 Rem 0.10 0.04 0.10 0.7 Ni
1.2 Ni
active