Main properties of brass

1. Brass raw material

GB/T5231-2001
designation
Nearest equivalences Specific
gravity
HB hardness Tensile strength Rp0,2 (Mpa) Extension %
H59Pb1 CuZn39-Pb2 (Afnor-51-104)
CuZn37-Pb0.5, (Din 17760)
C37000 (ASTM)
CW617N (EN12165)
8.4 80-120 350 15-30%

 

 

Cu Fe Pb Ni Zn Impurities total
57~60% ≤ 0.5% 0.08-1.9% ≤1 % surplus ≤1%

 

2. Brass Rohs compliance

According to the Directive 2011/65/ dated June 8, 2011 (Rohs), copper alloys are allowed to have a maximum of 4% by weight of lead as an alloying element.
(Provisions of Article 4 and paragraph 1 of Annex II, limit value set by 6c of Annex III)