beta brass tubes

Chemical Requirements

CuZn42Pb2

CuZn40Pb2

Copper

56.5 - 60.0%

57.0 - 59.0%

Lead

0.60 to 2.0%

1.5 to 2.5%

Iron

0.30% max

0.40% max

Total Imp. Excl. Iron

0.20% max

0.70% max

Zinc

Remainder

Remainder

Physical Properties

Tensile Strength

380 Mpa Min

40 kg/mm2 Min.

Elongation %

25% Min

18% Min.

Izod Value

-

2.0 KJ min

Fabrication Properties

Capacity for being

Cold worked

Poor

Poor

Hot formed

Excellent

Excellent

Hot forgeability rating

100%

100%

Machinability Rating

80%

80%

Suitability for soldering

Excellent

Excellent

Suitability for Brazing

Good

Good

Uses

Forged Components, Industrial Valves, Defense components, Watch Case, Automobile Valves Components