Aluminios y Plásticos Cataluña

Features

Chemical characteristics of the most common alloys

 
laton-2

Simple brass

Alloy Main components Impurities % (max.) Applications
Cu Zn Pb Fe Sum
Others
min. max.
CuZn 15 84,5 85,5 rest 0,02 0,02 0,02 Very deep drawing – Gold – Furniture – Jewelry
CuZn 30 69,5 70,5 rest 0,02 0,02 0,02 Very deep drawing – Cups – Electrical connections
CuZn 33 66,5 67,5 rest 0,02 0,02 0,02 Deep drawing – Cutting – Fitted
CuZn 36 63,0 65,5 rest 0,02 0,02 0,02 Printing – Shirt – Cold Deformation

 

Lead brass

Alloy Main components Impurities % (max.) Applications
Cu Pb Zn Fe Sum
Others
min. max. min. max.
CuZn38 Pb2 59,5 62,5 1,0 3,0 rest 0,4 0,8 Pieces with good machinability and small cold forming.
CuZn39 Pb2 57,0 60,0 1,0 3,0 rest 0,6 0,8 Hot forged parts.
CuZn39 PB3 57,0 60,0 1,5 3,5 resto 0,6 0,8 Machined parts. High-speed lathes.

 

Simple brass

(due to the large dispersion from one manufacturer to another, the values ​​are only indicative)

Denomination Status Thicknesses (mm) Tensile strength (R)
N/mm2
Elastic limit 0,2% N/mm2 Minimum elongation % Hardness Grain size
micras
Vickers HV Brinell HB
min. max. A5 A10 min. max. min. max. min. max.
CuZn38 Pb2
F41 Hard min. 410 min. 240 23 20 110 140 100 130
CuZn39 Pb2
F41 Hard min. 430 min. 270 20 17 120 150 110 140
CuZn39 PB3
F43 Hard min. 430 min. 270 20 17 120 150 110 140

1 N/mm2 = 0,102 kg/mm2

A = Longitudinal elongation, expressed in % of initial length after rupture of the specimen.

 

Comparative table of the most common alloys

Alloy Spain UNE Italy UNÍ Germany DIN France AFNOR United Kingdom BS E.E.U.U. ASTM International ISO
CuZn15 CuZn15 P-CuZn15 CuZn 15
2.0240
U-Z15
A. 53603
CZ 102 B36/B134
No. 230
CuZn 15
R 426
CuZn 30 CuZn 30 P-CuZn 30 CuZn 30 U-Z30 CZ 105
CZ 106
B19/B36/B134 No. 260 CuZn 30
R 426
CuZn 33 CuZn 33 P-CuZn 33 CuZn 33 U-Z33
A. 53603
CZ 107 B36/B134
No 268/No 270
CuZn 33
R 426
CuZn 36 CuZn 36 P-CuZn 36 CuZn 36
2.0320
U-Z36
A. 53603
CZ 108 B36/B134
No 272/No 274
CuZn 37
R 426
CuZn38 Pb2 CuZn38Pb2 P-CuZn35 Pb2 CuZn36 Pb1,5 2.0330 U-Z35 Pb2
A. 51105
CZ 119 B453
No. 353
CuZn36 Pb2
R 426
CuZn39 Pb2 CuZn39 Pb2 P-CuZn39 Pb2 CuZn39 Pb2 2.0380 U-Z39 Pb2
A. 51105
CZ 120
CZ 122
B124
No. 377
CuZn39 Pb2
R 426
CuZn39 Pb3 CuZn39 Pb3 P-CuZn40 Pb2 CuZn40 Pb3 20405 U-Z40 Pb3
A. 51105
CZ 121   CuZn39 Pb2
R 426