Brass CDA 260, 70/30

Brass CDA 260, 70/30 wire from InterWire is ASTM B134 standard specification for brass wire.

Chemical Requirements: (Composition, %)

Copper Alloy UNS# Copper Lead, max Iron, max Zinc
C26000 68.5-71.5 0.07 0.05 Remainder*

*Taken by difference

Tensile Requirements for Round, Hexagonal, Octagonal, and Square Wire 0.020 in. and over in diameter or distance between parallel surfaces

code temper designation Tensile Strength KSI Min Tensile Strength KSI max
H00 Eighth-Hard 50 65
H01 Quarter-Hard 62 77
H02 Half-Hard 79 94
H03 Three Quarter-Hard 92 107
H04 Hard 102 117
H06 Extra-Hard 115 129
H08 Spring 120

H04 (hard) temper wire is not generally available in sizes over 0.500 in. in diameter.
H06 (extra-hard) temper wire is not generally available in sizes over 0.375 in. in diameter
H08 (spring) temper wire is not generally available in sizes over 0.250 in. in diameter