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C27200 CuZn37 Brass Bar

UNS C27200 yellow brass has a copper content of not less than 62%,CuZn37 is the major brass alloy for the cold forming process Even though brasses with lower Zinc content have better cold forming properties, CuZn37 is the most used alloy. Reasons for this are on the one hand economical due to lower price of Zinc compared to copper on the other hand the forming properties of this alloy meet the demand of many applications.

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Product Introduction

CHEMICAL COMPOSITION

Elements

Min(%)

Max(%)

Cu

62.00

65.00

Pb

-

0.07

Fe

-

0.07

Total Others

-

0.30

Zn

Remainder

MECHANICAL PROPERTIES ACCORDING TO UNSJ463 (AS PER TEMPER HO2)

Range(mm)

From

To

UTS Min(MPa)

UTS Max(MPa)

PS Min(MPa)

Elongation Min(%)

Hardness Min(MPa)

Hardness Max(MPa)

Round(Dia)

0.059

 2.953

56

66

 

 

60

 

76

Hex(A/F)

0.118

 2.756

56

66

 

60

 

76

Square(A/F)

0.118

 2.362

56

66

 

 

60

 

76

Range(mm)

From

To

UTS Min(MPa)

UTS Max(MPa)

PS Min(MPa)

Elongation Min(%)

Hardness Min(MPa)

Hardness Max(MPa)

Round(Dia)

1.5

75

385

455

 

 

60

 

76

Hex(A/F)

3

70

385

455

 

60

 

76

Square(A/F)

3

60

385

455

 

 

60

 

76

PHYSICAL PROPERTIES

Melting Point -Liquidus°F

1680

Density lb/cu in.at 68°F

0.305

Specific Gravity

8.44

Electrical Conductivity %IACS at 68°F

27.6

Thermal Conductivity Btu/ sq ft/ft hr/°F at 68°F

67

Coefficient of Thermal Expansion 68-57210-6 per°F(68-572°

11.4

Specific Heat Capacity Btu/lb /°F at 68°F

0.09

Modulus of Elasticity in Tension ksi

15000

Modulus of Rigidity ksi

5600

FABRICATION PROPERTIES

No fabrication properties for this alloy

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