CW714R

CW714R, classified as naval brass, is prominently utilized in the fabrication of machine hardware, screw machine products, and valve stems. This particular variant of naval brass, denoted as CW714R, stands out as an optimal choice for applications involving hot forging, pressing, and machining. Notably, it boasts elevated ductility, making it a favorable option, and it excels in terms of both electrical and thermal conductivity. Moreover, CW714R naval brass exhibits commendable resistance to creep and impressively high impact strength.

CHEMICAL COMPOSITION
ElementsMin (%)Max (%)
Cu59.0061.00
Pb0.401.00
Sn0.501.00
Fe0.10
Ni0.000.30
Total Others0.20
ZnRemainder
MECHANICAL PROPERTIES ACCORDING TO EN12164 (AS PER TEMPER R410)
Range (mm) From To UTS Min (N/mm²) PS Min (N/mm²) Elongation Min (%) Hardness Min (HV) Hardness Max
Round (Dia)25041025018125
Hex (A/F)34041025018125
Square (A/F)34041025018125
Rectangle (Thickness)35041025018125
PHYSICAL PROPERTIES
Melting Point – Liquidus°F1650
Melting Point – Solidus°F1630
Density lb/cu in. at 68°F0.305
Specific Gravity8.44
Electrical Conductivity % IACS at 68°F26
Thermal Conductivity Btu/ sq ft/ ft hr/ °F at 68°F67
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)11.8
Specific Heat Capacity Btu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tension ksi15000
Modulus of Rigidity ksi5600
FABRICATION PROPERTIES
TechniqueSuitability
SolderingExcellent
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended
Spot WeldNot Recommended
Seam WeldNot Recommended
Butt WeldFair
Capacity for Being Cold WorkedPoor
Capacity for Being Hot FormedGood
Forgeability Rating90
Machinability Rating70

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