Gun bronze

 

Gun bronze - ASTM B30-16

ClassificationAlloy nameCuPbSnFeAlNiMnSbPSiZnSAsBiCdCrMgCoSe
ASTM B30-16 C83450
(B, C, A)
min 87 1.5 2.2 - - 0.8 - - - - 5.8 - - - - - - - -
max 89 2.5 3 0.25 0.005 1.5 - 0.25 0.03 0.005 7.5 0.08 - - - - - - -
C83600
(B, C, A)
min 84 4 4.3 - - - - - - - 4.3 - - - - - - - -
max 86 5.7 6 0.25 0.005 0.8 - 0.25 0.03 0.005 6 0.08 - - - - - - -
C83800
(B, C, A)
min 82 5.8 3.5 - - - - - - - 5.5 - - - - - - - -
max 83.5 6.8 4.2 0.25 0.005 0.8 - 0.25 0.02 0.005 8 0.08 - - - - - - -
C84200
(B, C, A)
min 78 2 4.3 - - - - - - - 10 - - - - - - - -
max 82 2.8 6 0.35 0.005 0.8 - 0.25 0.02 0.005 16 0.08 - - - - - - -
C84400
(B, C, A)
min 79 6.3 2.5 - - - - - - - 7 - - - - - - - -
max 82 7.7 3.5 0.35 0.005 0.8 - 0.25 0.02 0.005 10 0.08 - - - - - - -
C84800
(B, C, A)
min 75 5.5 2.3 - - - - - - - 13 - - - - - - - -
max 76.7 6.7 3 0.35 0.005 0.8 - 0.25 0.02 0.005 16 0.08 - - - - - - -

Notes

A In this alloy Cobalt is included in Nickel content
B In determining copper minimum, copper may be calculated as copper plus nickel
C Copper plus sum of named elements, 99.3%