PB4 - BS 1400-1985

Grade	PB4
Corresponding Standard	BS 1400-1985 Specification for copper alloy ingots and copper alloy and high conductivity copper castings
Classification	Copper and Copper Alloys
Density	8.8 g/cm³

PB4 Chemical Element Composition Content (%)

	Component	P	S	Ni	Pb	Zn	Sn	Other Total	More
合金锭	Minimum Value	0.5	-	-	-	-	9.7	-	Cu:余量
合金锭	Maximum Value	-	0.1	0.5	0.75	0.5	-	0.5	Cu:余量

	Component	P	S	Ni	Pb	Zn	Sn	Other Total	More
铸件	Minimum Value	0.4	-	-	-	-	9.5	-	Cu:余量
铸件	Maximum Value	1	0.1	0.5	0.75	0.5	11	0.5	Cu: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.

PB4 Mechanical Properties

condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Casting; sand casting	≥190	≥100	≥3
Castings; cold-hardening cast	≥270	≥140	≥3
Castings; continuous casting	≥330	≥160	≥7
Castings; centrifugal casting	≥280	≥140	≥4

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