C103 - BS 2874-1986

Grade	C103
Corresponding Standard	BS 2874-1986 Copper and Copper Alloy Rods and Sections (Other Than Forging Stock)
Classification	Copper and Copper Alloys

C103 Chemical Element Composition Content (%)

Component	Cu ^①	Pb	Bi	Other Total ^②
Minimum Value	99.95	-	-	-
Maximum Value	-	0.005	0.001	0.03

"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.

C103 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 %
Round material; 4 < d ≤ 6.3	C103-H	Cold Work - Hard (H)	≥350	-	-
Round bars; 6.3＜d≤10		Cold Work - Hard (H)	≥350	-	-
Round, Square, Hexagonal, Rectangular bars; 10＜d≤12		Cold Work - Hard (H)	≥320 (round materials); ≥310 (square and hexagonal materials) ≥270 (rectangular materials)	-	≥6
Round, Square, Hexagonal, Rectangular Bar; 12<d≤25		Cold Work - Hard (H)	≥290 (round materials); ≥280 (square and hexagonal materials) ≥260 (rectangular materials)	-	≥8
Round, Square, Hexagonal, Rectangular Bar; 25<d≤50		Cold Work - Hard (H)	≥260 (round materials); ≥250 (square, hexagonal, and rectangular materials)	-	≥12 (round, square, and hexagonal materials) ≥10 (rectangular materials)

Approximate Comparison Table Copper and Copper Alloy

China	Japan	United States	International Organization for Standardization	Germany	France	Russia	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	NF EN/NF	GOST	BS EN/BS
TU2	C1020	C10200	Cu-OF	OF-Cu	Cu-C1	М1ъ	C103

C103 Corresponding Standards(Same grade name, different standards)

1	BS 2874-1986
	C103
2	BS 2870-1980
	C103

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