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C37700 Features: Brass hot working period excellent. C37700 brass is mainly used as forgings, and various molded parts.

Name

Copper alloy UNS number

Composition,%

Copper or copper alloy UNS number

Name

Recommended casting temperature

Forging rating A.

Copper

Lead

Iron

Zinc

≥of specified range elements + copper

°F

K

Brass forged

C37700

58.0-61.0

1.5-2.5

≤0.30

Residual residue

99.5

C37700

Brass forged

1200-1450

920-1060

100



ZCuZn38Mn2Pb2 features: good mechanical properties, corrosion resistance and wear resistance, good cutting performance, general use of structural parts, ships, meters and other use of simple shape castings, such as sleeve, bushing, bearing, slider and so on

Name of alloy

Alloy grade

Main chemical composition/%

Alloy grade

Casting method

Mechanical properties, not less than

Copper

Manganese

Lead

Zinc

tensile strength / MPa

yield strength / MPa

Elongation/%

Brinell Hardness / HB

Manganese brass

ZCuZn38Mn2Pb2

57.0-60.0

1.5-2.5

1.5-2.5

Remaining balance

ZCuZn38Mn2Pb2

Sand casting

245

 ...

10

685

Metal casting

345

...

18

785


China

ISO of international standards

Former Soviet Union

United States (SYMBOL)

Japan

Germany

Britain

France

ZCuZn38Mn2Pb2

...

ЛMЦC 58-2-2

...

...

...

...

...


ZCuZn38Mn2Pb2 characteristics: shell of gas and water supply equipment, some components and fittings of machinery and instruments, used as structural materials, good oxidation resistance at 90℃ of water supply temperature, electrical conductivity about 10∽14 MS/m.

Name of alloy

Alloy grade

Main chemical composition/%

Alloy grade

Casting method

Mechanical properties, not less than

Copper

Manganese

Lead

Zinc

tensile strength / MPa

yield strength / MPa

Elongation/%

Brinell Hardness / HB

Lead brass

ZCuZn33Pb2

63.0-67.0

...

1.0-3.0

Remaining balance

ZCuZn33Pb2

Sand casting

180

70

12

490



ZCuZn38Mn2Pb2 characteristics: good casting performance and wear resistance, good cutting performance, good corrosion resistance, stress corrosion tendency in seawater, wear resistance and corrosion resistance parts for general use, such as shaft sleeve, gear, etc.

Name of alloy

Alloy grade

Main chemical composition/%

Alloy grade

Casting method

Mechanical properties, not less than

Copper

Aluminium

Lead

Zinc

tensile strength / MPa

yield strength / MPa

Elongation/%

Brinell Hardness / HB

Lead brass

ZCuZn40Pb2

58.0-63.0

0.2-0.8

0.5-2.5

Remaining balance

ZCuZn40Pb2

Sand casting

220


15

785

Metal casting

280

120

20

885


China

ISO of international standards

Former Soviet Union

United States (SYMBOL)

Japan

Germany

Britain

France

ZCuZn40Pb2

CuZn40Pb

ЛC59-1Л

C85700

...

G-CuZn37Pb

DCB3

...


Features of ZCuZn16Si4(C87400): Good mechanical properties and corrosion resistance, good casting performance, high fluidity, dense casting structure and good air tightness. Pipe fittings and water pumps, impellers, cocks and castings working in air, fresh water, oil, fuel, and steam under working pressures of 4.5 MPa and 250℃.

Name of alloy

Alloy grade

Main chemical composition/%

Alloy grade

Casting method

Mechanical properties, not less than

Copper

Lead

Silicon

tensile strength / MPa

yield strength / MPa

Elongation/%

Brinell Hardness / HB

Silicon brass

ZCuZn16Si4(C87400)

79.0-81.0

Remaining balance

2.5-4.5

ZCuZn16Si4

Sand casting

345

...

15

885

Metal casting

390

...

20

980


China

ISO of international standards

Former Soviet Union

United States (SYMBOL)

Japan

Germany

Britain

France

ZCuZn16Si4

...

Л80-3Л

C87400

G-CuZn15Si4

...

...