CZ121Pb3 - BS 2874-1986

Grade	CZ121Pb3
Corresponding Standard	BS 2874-1986 Copper and copper alloy rods and sections (other than forging stock)
Classification	Copper and Copper Alloys

CZ121Pb3 Chemical Element Composition Content (%)

Component	Fe	Cu	Pb	Other Total	More
Minimum Value	-	56.5	2.5	-	Zn:余量
Maximum Value	0.3	58.5	3.5	0.7	Zn:余量

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

CZ121Pb3 Mechanical Properties

size d mm	Mark	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
6＜d≤18	CZ121Pb3-M	Manufacturing State (M)	≥425	-	≥15
18＜d≤40		Manufacturing State (M)	≥400	-	≥20
40＜d≤80		Manufacturing State (M)	≥380	-	≥20
d > 80		Manufacturing State (M)	≥350	-	≥25

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!