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Classification of copper and its alloys

Generic Name	UNS No.	Composition
Wrought Alloys
Coppers	C10100-C15760	99% Cu
High-Copper Alloys	C16200-C19600	96% Cu
Brasses	C20500-C28580	Cu-Zn
Leaded brasses	C31200-C38590	Cu-Zn-Pb
Tin Brasses	C40400-C49080	Cu-Zn-Sn-Pb
Phosphor Bronzes	C50100-C52400	Cu-Sn-P
Leaded Phosphor Bronzes	C53200-C54800	Cu-Sn-Pb-P
Copper-Phosphorus and	C55180-C55284	Cu-P-Ag
Copper-Silver-Phosphorous Alloys
Aluminum Bronzes	C60600-C64400	Cu-Al-Ni-Fe-Si-Sn
Silicon Bronzes	C64700-C66100	Cu-Si-Sn
Other Copper-Zinc Alloys	C66400-C69900
Copper-Nickels	C70000-C79900	Cu-Ni-Fe
Nickel Silvers	C73200-C79900	Cu-Ni-Zn
Cast Alloys
Coppers	C80100-C81100	99% Cu
High-Copper Alloys	C81300-C82800	94% Cu
Red and Leaded Red Brasses	C83300-C85800	Cu-Zn-Sn-Pb (75-89% Cu)
Yellow and Leaded Yellow Brasses	C85200-C85800	Cu-Zn-Sn-Pb (57-74% Cu)
Manganese Bronzes	C86100-C86800	Cu-Zn-Mn-Fe-Pb
Leaded Manganese Bronzes
Silicon Bronzes, Silicon Brasses	C87300-C87900	Cu-Zn-Si
Tin Bronzes and Leaded Tin Bronzes	C90200-C94500	Cu-Sn-Zn-Pb
Nickel-Tin Bronzes	C94700-C94900	Cu-Ni-Sn-Zn-Pb
Aluminum Bronzes	C95200-C95810	Cu-Al-Fe-Ni
Copper-Nickels	C96200-C96800	Cu-Ni-Fe
Nickel Silvers	C97300-C97800	Cu-Ni-Zn-Pb-Sn
Leaded Coppers	C98200-C98800	Cu-Pb
Special Alloys	C99300-C99750

Comparison of copper alloy standards

ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
	Number	Symbol	Number	Symbol
C10100	CW009A	Cu-OFE	–	–	C110	–	Cu-OFE
C10200	CW008A	Cu-OF	2.004	OF-Cu	C103	C1020	Cu-OF
–	CW021A	Cu-HCP	2.007	SE-Cu	–	–	–
C10300	CW020A	Cu-PHC	2.007	SE-Cu	–	–	Cu-HCP
–	CW022A	Cu-PHCE	–	–	–	–	–
C10700	CW013A	CuAg0.10	21.203	CuAg0.1	–	–	–
C11000	CW004A	Cu-ETP	20.065	E-Cu58	C101	C1100	Cu-ETP
C11904	CW014A	CuAg0.04P	–	–	–	–	–
C11907	CW016A	CuAg0.10P	21.197	CuAg0.1P	–	–	CuAg0.1P
–	CW128C	CuMg0.5	–	–	–	–	–
–	CW127C	CuMg0.2	–	–	–	–	–
C12200	CW024A	Cu-DHP	2.009	SF-Cu	C106	C1220	–
						C1221
C14415	–	–	–	–	CW117C	–	–
C14500	CW118C	CuTeP	21.546	CuTeP	–	–	CuTeP
C15000	CW120C	CuZr	2.158	CuZr	–	–	–
C18150	CW106C	CuCr1Zr	21.293	CuCrZr	CC102	–	–
	CW106C	CuCr1Zr	21.293	CuCrZr	–	–	–
C18700	CW113C	CuPb1P	2.116	CuPb1P	–	–	CuPb1P
C19000	CW108C	CuNi1P	–	–	C113	–	–
C19400	CW107C	CuFe2P	2.131	CuFe2P	CW107C	–	–
Non-Machinable Brass
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
	Number	Symbol	Number	Symbol
C21000	CW500L	CuZn5	2.022	CuZn5	–	C2100	CuZn5
C22000	CW501L	CuZn10	2.023	CuZn10	CZ101	C2200	CuZn10
C23000	CW502L	CuZn15	2.024	CuZn15	CZ102	C2300	CuZn15
C24000	CW503L	CuZn20	2.025	CuZn20	CZ103	C2400	CuZn20
–	CW504L	CuZn28	20.261	CuZn28	–	–	CuZn28
C26000	CW505L	CuZn30	20.265	CuZn30	CZ106	C2600	CuZn30
C26800	CW506L	CuZn33	2.028	CuZn33	CZ107	C2680	–
C27000	CW507L	CuZn36	20.335	CuZn36	CZ108	C2700	CuZn36
C27200	CW508L	CuZn37	20.321	CuZn37	CZ108	C2700	CuZn37
C28000	CW509L	CuZn40	2.036	CuZn40	CZ109	C2800	CuZn40
Free Machining Brass
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
	Number	Symbol	Number	Symbol
C33500	CW604N	CuZn37Pb0.5	20.332	CuZn37Pb0.5	–	–	CuZn37Pb0.5
C33500	CW605N	CuZn37Pb1	–	–	CZ131	C3501	–
C34000	CW600N	CuZn35Pb1	20.331	CuZn36Pb1.5	CZ118	C3501	CuZn36Pb1
C34200	CW601N	CuZn35Pb2	20.331	CuZn36Pb1.5	CZ131	–	CuZn35Pb2
					CZ119
C34400	–	–	–	–	–	C3501	–
C34500	CW601N	CuZn35Pb2	20.331	CuZn36Pb1.5	CZ131	–	CuZn35Pb2
					CZ119
C35300	CW601N	CuZn35Pb2	20.331	CuZn36Pb1.5	CZ131	–	CuZn35Pb2
					CZ119
C35300	CW606N	CuZn37Pb2	–	–	CZ131	C3601	CuZn37Pb2
C35300	–	–	20.371	CuZn38Pb1.5	–	–	CuZn38Pb2
C35330	CW602N	CuZn36Pb2As	–	–	CZ132	–	–
C36000	CW603N	CuZn36Pb3	20.375	CuZn36Pb3	CZ124	C3601  C3602	CuZn36Pb3
		CuZn35Pb3
–	CW609N	CuZn38Pb4	–	–	CZ121/4	C3605	–
–	–	–	–	–	–	C3603	–
						C3604
C36500	CW610N	CuZn39Pb0.5	20.372	CuZn39Pb0.5	CZ123	–	CuZn39Pb0.5
C37000	CW607N	CuZn38Pb1	–	–	CZ129	C3501	CuZn38Pb1
C37700	CW608N	CuZn38Pb2	–	–	CZ128	–	CuZn38Pb2
C37700	CW612N	CuZn39Pb2	2.038	CuZn39Pb2	CZ128	C3771	CuZn39Pb2
C37800	CW617N	CuZn40Pb2	20.402	CuZn40Pb2	CZ120	C3603	CuZn40Pb2
						C3604
C38000	CW617N	CuZn40Pb2	20.402	CuZn40Pb2	CZ120	C3603	CuZn40Pb2
						C3604
C38000	CW624N	CuZn43Pb2Al	2.041	CuZn44Pb2	–	–	–
C38500	CW614N	CuZn39Pb3	20.401	CuZn39Pb3	CZ121/3	C3603	CuZn39Pb3
						C3604
–	CW614N	CuZn39Pb3	–	–		C3603	–
						C3604
–	CW616N	CuZn40Pb1Al	–	–	–	–	CuZn40Pb1
–	CW621N	CuZn42PbAl	–	–	–	–	–
Phosphor Bronze (Tin Bronze)
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
C51000	CW451K	CuSn5	–	–	PB102	C5102	CuSN (Swiss)5
C51100	CW450K	CuSn4	21.016	CuSn4	PB101	C5111	–
C51000	CW451K	CuSn5	–	–	PB102	C5102	–
C51900	CW452K	CuSn6	2.102	CuSn6	PB103	C5191	CuSN (Swiss)6
C52100	CW453K	CuSn8	2.103	CuSn8	PB104	C5212	–
						C5210
C53400	CW458K	CuSn5Pb1	–	–	–	C5341	CuSN (Swiss)5Pb1
C54400	CW456K	CuSn4Pb4Zn4	–	–	–	C5441	CuSN (Swiss)4Pb4Zn4
Aluminum Bronze / Silicon Bronze
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
C62730	–	–	20.966	CuAl10Ni5Fe4	CA104	–	CuAl10Ni5Fe4
–	CW304G	CuAl9Ni3Fe2	–	–	–	–	–
C63280	–	–	20.923	SG-CuAl8Ni6	–	–	–
C61800	CW305G	CuAl10Fe1	20.937	SG-CuAl10Fe	CA103	–	CuAl10Fe1
–	CW306G	CuAl10Fe3Mn2	20.936	CuAl10Fe3Mn2	–	–	CuAl10Fe3Mn2
C63000	CW307G	CuAl10Ni5Fe4	20.966	CuAl10Ni5Fe4	–	–	CuAl10Ni5Fe4
–	CW308G	CuAl11Fe6Ni6	20.978	CuAl11Ni6Fe6	–	–	–
C65500	CW116C	CuSi3Mn1	21.461	SG-CuSi3	CS101	–	–
Copper Nickel Silicon
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
–	CW109C	CuNi1Si	20.853	CuNi1.5Si	–	–	–
C64700	CW111C	CuNi2Si	20.855	CuNi2Si	–	–	–
C70250	CW112C	CuNi3Si	20.857	CuNi3Si	–	–	–
High Performance
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
C48200	CW714R	CuZn37Pb1Sn1	–	–	–	–	CuZn37SN (Swiss)1Pb1
C46400	CW719R	CuZn39Pb1	3.053	CuZn38Sn1	CZ133	–	CuZn38SN (Swiss)1
C67000	CW704R	CuZn23Al6Mn4Fe3Pb	2.05	CuZn23Al6Mn4Fe3	–	–	CuZn23Al6Mn4Fe3
–	CW708R	CuZn31Si	2.049	CuZn31Si	–	–	–
–	CW710R	CuZn35Ni3Mn2AlPb	2.054	CuZn35Ni2	–	–	–
C67410	CW713R	CuZn37Mn3Al2PbSi	2.055	CuZn40Al2	–	–	CuZn40Al2
–	CW720R	CuZn40Mn1Pb1	2.058	CuZn40Mn1Pb	CZ136	–	CuZn40Mn1Pb1
–	CW723R	CuZn40Mn2Fe1	20.572	CuZn42Mn2	–	–	CuZn42Mn2
–	–	–	–	–	CZ136	–	–
C63280	–	–	20.923	SG-CuAl8Ni6	CA105	–	–
Nickel Silver
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
C73500	–	–	–	–	–	C7351	–
C75200	–	–	–	–	–	C7521	–
C76200	CW405J	CuNi12Zn29	–	–	–	–	–
C77000	CW410J	CuNi18Zn27	20.742	CuNi18Zn27	NS107	C7701	–
C79800	CW400J	CuNi7Zn39Pb3Mn2	–	–	–	–	–
C79620	CW402J	CuNi10Zn42Pb2	–	–	NS101	–	CuNi10Zn42Pb2
C75700	CW403J	CuNi12Zn24	2.073	CuNi12Zn24	NS104	–	CuNi12Zn24
C79200	CW404J	CuNi12Zn25Pb1	–	–	–	–	CuNi12Zn25Pb
C79300	CW406J	CuNi12Zn30Pb1	2.078	CuNi12Zn30Pb1	–	–	–
C79860	CW407J	CuNi12Zn38Mn5Pb2	–	–	–	–	–
C76300	CW408J	CuNi18Zn19Pb1	2.079	CuNi18Zn19Pb1	NS113	–	–
C76400	CW409J	CuNi18Zn20	2.074	CuNi18Zn20	NS106	–	CuNi18Zn20
Copper Nickel Tin
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
C70250	CW112C	CuNi3Si1	20.857	CuNi3Si	–	–	–
C72500	CW351H	CuNi9Sn2	20.875	CuNi9Sn2	–	–	–
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
C17000	CW100C	CuBe1.7	21.245	CuBe1.7	CB101	C1700	–
C17200	CW101C	CuBe2	21.247	CuBe2	–	C1720	–
C17500	CW104C	CuCo2Be	21.285	CuCo2Be	C112	–	–
C17510	CW110C	CuNi2Be	2.085	CuNi2Be	–	–	–
–	CW103C	CuCo1Ni1Be	–	–	–	–	–
Tin Brass
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
C42500	CW454K	CuSn3Zn9	–	–	–	–	–
Copper Nickel
ASTM	EN	EN	DIN	DIN	BS	JIS	SN (Swiss)
C70600	CW352H	CuNi10Fe1Mn	20.872	CuNi10Fe1Mn	CN102	C7060	–
C71500	CW354H	CuNi30Mn1Fe	20.882	CuNi30Mn1Fe	CN107	C7150	–

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