PB2 - BS 1400-1985

Grade	PB2
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

PB2 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	P	S	Ni	Pb	Al	Zn	Sn	Other Total	More
Minimum Value	-	-	-	0.25	-	-	-	-	-	11.2	-	Cu:余量
Maximum Value	0.1	0.02	0.05	0.6	0.1	0.5	0.5	0.01	0.3	13	0.2	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.

PB2 Mechanical Properties

condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Castings; continuous casting	≥310	≥170	≥5
Castings; cold-hardening cast	≥270	≥170	≥3
Casting; sand casting	≥220	≥130	≥5
Castings; centrifugal casting	≥280	≥170	≥3

Approximate Comparison Table Copper and Copper Alloy

United States	International Organization for Standardization	Germany		France	European Standard		Sweden	United Kingdom
UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	SS	BS EN/BS
C91700	CuSn12	G-CuSn12 GC-CuSn12 GZ-CuSn12	2.1052.01 2.1052.03 2.1052.04	CuSn12	CuSn12-C	CC483K	CuSn12	PB2

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