Copper and Alloys Fabrication Properties

E = Excellent
G = Good
F = Fair
NR = Not Recommended

This information is not for design purposes.

Copper Alloy No.Machinability Rating (Free Cutting Brass = 100)Suitability For Being Joined By
SolderingBrazingOxyacetylene WeldingGas Shielded Arc WeldingCoated Metal Arc WeldingSpot WeldingSeam WeldingButt Welding
Coppers
C1010020EEFGNRNRNRG
C1020020EEFGNRNRNRG
C1100020EGNRFNRNRNRG
C1220020EEGENRNRNRG
C1430020EEGENRNRNRG
C1450085EGFFNRNRNRF
Copper Alloys
C1720020GGNRGGGFF
C1730050GGNRGGGFF
C1820020GGNRGNRNRNRF
C18700 / C9985EGNRNRNRNRNRF
Brasses
C2100020EEGGNRNRNRG
C2200020EEGGNRNRNRG
C2300030EEGGNRFNRG
C2600030EEGFNRGNRG
C2800040EEGFNRGNRG
Leaded Brasses
C3300060EGFFNRFNRF
C3530090EGNRNRNRNRNRF
C36000100EGNRNRNRNRNRF
C3650060EGFFNRNRNRF
Tin Brasses
C4640030EEGFNRGFG
C4850070EGNRNRNRNRNRF
Phosphor Bronze
C5100020EEFGFGFE
Leaded Phosphor Bronze
C5440080GGNRNRNRNRNRF
Aluminum Silicon Bronze
C6420060FFNRFFFFF
Silicon Bronze
C6550030EEGEFEEE
Copper-Nickel
C7150020EEGEEEEE
Nickel-Silver
C7520020EEGFNRGFG
Copper Alloy No.Machinability Rating (Free Cutting Brass = 100)Suitability For Being Joined By
SolderingBrazingOxyacetylene WeldingGas Shielded Arc WeldingCoated Metal Arc WeldingSpot WeldingSeam WeldingButt Welding
Coppers
C1010020EEFGNRNRNRG
C1020020EEFGNRNRNRG
C1100020EGNRFNRNRNRG
C1220020EEGENRNRNRG
C1430020EEGENRNRNRG
C1450085EGFFNRNRNRF
Copper Alloys
C1720020GGNRGGGFF
C1730050GGNRGGGFF
C1820020GGNRGNRNRNRF
C18700 / C9985EGNRNRNRNRNRF
Brasses
C2100020EEGGNRNRNRG
C2200020EEGGNRNRNRG
C2300030EEGGNRFNRG
C2600030EEGFNRGNRG
C2800040EEGFNRGNRG
Leaded Brasses
C3300060EGFFNRFNRF
C3530090EGNRNRNRNRNRF
C36000100EGNRNRNRNRNRF
C3650060EGFFNRNRNRF
Tin Brasses
C4640030EEGFNRGFG
C4850070EGNRNRNRNRNRF
Phosphor Bronze
C5100020EEFGFGFE
Leaded Phosphor Bronze
C5440080GGNRNRNRNRNRF
Aluminum Silicon Bronze
C6420060FFNRFFFFF
Silicon Bronze
C6550030EEGEFEEE
Copper-Nickel
C7150020EEGEEEEE
Nickel-Silver
C7520020EEGFNRGFG