Germany · DIN

CuAl 5 As

DIN EN 12451 — Copper and copper alloys - Seamless, round tubes for heat exchangers; German version EN 12451:2012

Chemical composition

wt% · log scale
0.010.1110Al4 – 6.5As0.1 – 0.4Fe0.2Mn0.2Ni0.2Pb0.02Sn0.05Total Others0.3Zn0.3
  • min – max range
  • typical value

Mechanical properties

value range by condition
HardnessHVH075Yield strength Rp0.2≥110 MPaTensile strength Rm≥350 MPaElongation A≥50 %R350

Chemical composition

ElementminmaxSimilarRemarks
Al46.5
As0.10.4
Cu​​Bal​​
Fe0.2
Mn0.2
Ni0.2
OtherThese alloys may be used for applications in sea water
Pb0.02
Sn0.05
Total Others0.3
Zn0.3

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
H075HV 75–110
R350≥110≥350≥50

Physical properties

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
8.20

Similar grades

GradeRegionSystem
AlBz5GermanyDIN
CW300GItalyUNI
CuAl5AsItalyUNI
CW300GSpainUNE
CuAl5AsSpainUNE
CW300GSwedenSS
CuAl5AsSwedenSS
CW300GSwitzerlandSNV
CuAl5AsSwitzerlandSNV
CW300GFinlandSFS
CuAl5AsFinlandSFS
CW300GPolandPN
CuAl5AsPolandPN
CW300GAustriaONORM
CuAl5AsAustriaONORM
CW300GNorwayNS
CuAl5AsNorwayNS
CW300GBelgiumNBN
CuAl5AsBelgiumNBN
CW300GHungaryMSZ
CuAl5AsHungaryMSZ
CW300GGermanyDIN
CW300GCzech RepublicCSN
CuAl5AsCzech RepublicCSN
CW300GUnited KingdomB.S.
CW300GBulgariaBDS
CuAl5AsBulgariaBDS
CW300GRomaniaASRO
CuAl5AsRomaniaASRO
CW300GFranceAFNOR NF
CuAl5AsFranceAFNOR NF
CuAl5AsUnited KingdomB.S.
C60800United StatesUNS
2.0918GermanyDIN