CW508L (CuZn37 – 2.0321)

Stand: September 2018 - Quelle: DIN EN 1652/13148/13599/14436/13600/13601/1977/13602/13605

1. Chemical composition of CW508L

according to DIN EN 13388 (in % of mass)

CuZnPbNiFeSnAlCommentOther elements

2. Mechanical properties of CW508L

according to DIN EN 1652 sheets/plates, 12449 tubes, 12163/12167 profiles/rods, 12166 wires (common condition)

ConditionNominal thicknessTensile strengthYield strengthUltimate elongationRigor
in mmRm in MPaRp0,2 in MPain % (min.)HBS
overup tominmaxminmaxA50A
Mall as manufactured – without specification of mechanical values
R290/H050*max.80290230– 304550-100
R300/H055*0,2530037018038 –4855-95
R350/H095*0,2535044017019 –2895-125
R370/H085*max.40370240– 101485-145
R410/H120*0,254104903008 –12120-155
R440/H115*max.5440320– –10110
R480/H150*0,224805604303 –150-180
Physical propertiesGeneral properties
(Guide values for 20° C)
Density of g/cm38,44Resistance to:
Solidification range ° C904-920– organic materials2
Electrical conductivity MS/m15,5– neutral / alkaline compounds2
Thermal conductivity W/(mK)121Formability
Therm. linear expansion-– Warm2
coeffizient 10-6/K20,2– Cold1
Modulus of elasticity N/mm2110.000
Connection worksSurface treatment
– Gas-shielded welding3Mechanical polishing1
– Gas welding3Electrolytic polishing3
– Resistance welding (blunt)3Electroplating1
– Hard soldering1
– Soft soldering1

3. Main application / Special features of CW508L:

Like CW502L, CW508L is ideally suited for cold forming, although somewhat worse due to the higher zinc content, but still almost identical.

* The maximum nominal size available for each condition depends on the shape required.