Czech Republic · CSN

CW713R

CSN EN 12420 — Copper and copper alloys. Forgings

Chemical composition

wt% · log scale
0.1110100Al1.3 – 2.3Cu57 – 59Fe1Mn1.5 – 3Ni1Pb0.2 – 0.8Si0.3 – 1.3Sn0.4Total Others0.3
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥230 MPaTensile strength Rm≥510 MPaElongation A≥12 %HardnessHVHardnessHBDrop and hand forgings, H140, < 80 mmYield strength Rp0.2≥180 MPaTensile strength Rm≥470 MPaElongation A≥16 %HardnessHVHardnessHBHand forgings, H125, > 80 mm

Chemical composition

ElementminmaxSimilarRemarks
Al1.32.3
Cu5759
Fe1
Mn1.53
Ni1
Pb0.20.8
Si0.31.3
Sn0.4
Total Others0.3
Zn​​Bal​​

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Drop and hand forgings, H140, < 80 mm≥230≥510≥12HV ≥150；HB ≥140
Hand forgings, H125, > 80 mm≥180≥470≥16HV ≥130；HB ≥125

Physical properties

Elastic modulusMean thermal expansionThermal conductivitySpecific heatResistivityDensityPoisson's ratio
8.10

Similar grades

GradeRegionSystem
CW713RItalyUNI
CW713RSpainUNE
CuZn37Mn3Al2PbSiSpainUNE
CW713RSwedenSS
CW713RSwitzerlandSNV
CuZn37Mn3Al2PbSiSwitzerlandSNV
CW713RFinlandSFS
CuZn37Mn3Al2PbSiFinlandSFS
CW713RPolandPN
CuZn37Mn3Al2PbSiPolandPN
CW713RAustriaONORM
CuZn37Mn3Al2PbSiAustriaONORM
CW713RNorwayNS
CuZn37Mn3Al2PbSiNorwayNS
CW713RBelgiumNBN
CuZn37Mn3Al2PbSiBelgiumNBN
CW713RHungaryMSZ
CuZn37Mn3Al2PbSiHungaryMSZ
CW713RGermanyDIN
CuZn37Mn3Al2PbSiCzech RepublicCSN
CW713RUnited KingdomB.S.
CW713RBulgariaBDS
CuZn37Mn3Al2PbSiBulgariaBDS
CW713RRomaniaASRO
CuZn37Mn3Al2PbSiRomaniaASRO
CW713RFranceAFNOR NF
CuZn37Mn3Al2PbSiFranceAFNOR NF
CuZn37Mn3Al2PbSiItalyUNI
CuZn37Mn3Al2PbSiUnited KingdomB.S.
CuZn37Mn3Al2PbSiSwedenSS
CuZn37Mn3Al2PbSiGermanyDIN