Spain · UNE

CW403J

UNE EN 12449

Chemical composition

wt% · log scale
0.010.1110100Cu63 – 66Fe0.3Mn0.5Ni11 – 13Pb0.03Sn0.03Total Others0.2
  • min – max range
  • typical value

Mechanical properties

value range by condition
HardnessHVHardnessHBSeamless tubes, H075, < 10 mmHardnessHVHardnessHBSeamless tubes, H110, < 5 mmHardnessHVHardnessHBSeamless tubes, H135, < 3 mmYield strength Rp0.2≤290 MPaTensile strength Rm≥340 MPaElongation A≥45 %Seamless tubes, R340, < 10 mm

Chemical composition

ElementminmaxSimilarRemarks
Cu6366
Fe0.3
Mn0.5
Ni1113
Pb0.03
Sn0.03
Total Others0.2
Zn​​Bal​​

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Seamless tubes, H075, < 10 mmHV 75–110；HB 70–105
Seamless tubes, H110, < 5 mmHV 110–140；HB 105–135
Seamless tubes, H135, < 3 mmHV ≥135；HB ≥130
Seamless tubes, R340, < 10 mm≤290≥340≥45
Seamless tubes, R420, < 5 mm≥240≥420≥25
Seamless tubes, R490, < 3 mm≥390≥490≥10

Physical properties

20.0

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
8.70

Similar grades

GradeRegionSystem
CW403JItalyUNI
CuNi12Zn24SpainUNE
CW403JSwedenSS
CW403JSwitzerlandSNV
CuNi12Zn24SwitzerlandSNV
CW403JFinlandSFS
CuNi12Zn24FinlandSFS
CW403JPolandPN
CuNi12Zn24PolandPN
CW403JAustriaONORM
CuNi12Zn24AustriaONORM
CW403JNorwayNS
CuNi12Zn24NorwayNS
CW403JBelgiumNBN
CuNi12Zn24BelgiumNBN
CW403JHungaryMSZ
CuNi12Zn24HungaryMSZ
CW403JGermanyDIN
CW403JCzech RepublicCSN
CuNi12Zn24Czech RepublicCSN
CW403JUnited KingdomB.S.
CW403JBulgariaBDS
CuNi12Zn24BulgariaBDS
CW403JRomaniaASRO
CuNi12Zn24RomaniaASRO
CW403JFranceAFNOR NF
CuNi12Zn24FranceAFNOR NF
CuNi12Zn24ItalyUNI
CuNi12Zn24United KingdomB.S.
CuNi12Zn24SwedenSS
CuNi 12 Zn 24GermanyDIN