C6782 C6782 BD C6782 BE - JIS H 3250-2015 - H2ABC

中文版

Grade	C6782
Other Names
Corresponding Standard	JIS H 3250-2015 Copper and copper alloy rods and bars
Classification	Copper and Copper Alloys
Properties	Strength Corrosion Resistance Forgability

C6782 Chemical Element Composition Content (%)

Component	Fe	Mn	Cu	Pb	Al	More
Minimum Value	0.1	0.5	56	-	0.2	Zn:余量
Maximum Value	1	2.5	60.5	0.5	2	Zn:余量

C6782 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
Extruded Bar (BE); 6≤d≤50	As fabricated(F)	≥460	≥20
Extrusion Bar (BE); d>50	As fabricated(F)	≥400	≥20
Drawn bars (BD); 2 ≤ d < 6	As fabricated(F)	≥490	≥5
Drawn bars (BD); 6 ≤ d ≤ 110	As fabricated(F)	≥490	≥15
Cast bars (BF); d ≥ 100	As fabricated(F)	≥460	≥20

Approximate Comparison Table Bronze

China		Japan	United States		International Organization for Standardization		France	Russia
GB	ISC	JIS	ASTM	UNS	ISO	Numerical Grade	NF EN/NF	GOST
HMn57-3-1	T67410	C6782 C67820	57Cu-39Zn-3Mn-1Al	C67820	CuZn39Mn3Al	C67820	CuZn39Mn3Al C67820	ЛМцА57-3-1

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