C3771 C3771 BD C3771 BE - JIS H 3250-2015 - H2ABC

中文版

Grade	C3771
Other Names
Corresponding Standard	JIS H 3250-2015 Copper and copper alloy rods and bars
Classification	Copper and Copper Alloys
Properties	Forgability Machinability

C3771 Chemical Element Composition Content (%)

Component	Cu	Pb	More
Minimum Value	57	1	Zn:余量； Fe+Sn≤1.0
Maximum Value	61	2.5	Zn:余量； Fe+Sn≤1.0

C3771 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Hardness HBW
Extruded bars (BE); d ≥ 6	As fabricated(F)	≥315	≥15
Drawn bars (BD); d ≥ 4	As fabricated(F)	≥315	≥15
Cast bars (BF); d ≥ 100	As fabricated(F)	≥315	≥15
Drawn bars for hexagonal nuts (BDN)	Tempering (SR)	≥315	≥15	HV 70~120

Approximate Comparison Table Copper and Copper Alloy

Japan	United States	International Organization for Standardization	Germany		France	European Standard		Sweden	United Kingdom
JIS	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	SS	BS EN/BS
C3771	C37700	CuZn40Pb2	CuZn39Pb2 CuZn40Pb2	2.0380	CuZn39Pb2	CuZn39Pb2	CW612N	CuZn40Pb2	CZ120

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