Hexagonal Brass rod
|
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
|
|
Specification :
|
|
|
High Tensile Brass
|
· IS 320 HT1 or HT2
· BS 2874 CZ114 or CZ115
· JIS 3250H C6782 or C6783
|
|
Chemical Requirements
|
HT1
|
HT2
|
||||||
|
Copper
|
56.0 - 60.0%
|
56.0 - 61.0%
|
||||||
|
Lead
|
0.20 to 1.50%
|
0.50 to 1.50%
|
||||||
|
Iron
|
0.20 to 1.25%
|
0.20 to 1.50%
|
||||||
|
Tin
|
0.20 to 1.0%
|
1.0% max
|
||||||
|
Aluminum
|
0.2% max
|
0.30 to 2%
|
||||||
|
Manganese
|
0.25 - 2.0%
|
0.50-2.0%
|
||||||
|
Total Imp.
|
0.50% max
|
0.50% max
|
||||||
|
Zinc
|
Remainder
|
Remainder
|
||||||
|
Physical Properties
|
||||||||
|
Condition
|
Size
|
T.S. MPa
|
EL% Min
|
T.S. MPa
|
EL% Min
|
|||
|
As manufactured
|
All Size
|
430 min
|
20%
|
460 min
|
20%
|
|||
|
Cold-worked & Stress
|
10-40
|
480 min
|
12%
|
520 min
|
12%
|
|||
|
Relieved
|
40 above
|
500 min
|
15%
|
|||||
|
Fabrication Properties
|
||||||||
|
Capacity for being
|
||||||||
|
Cold formed
|
Poor
|
Fair
|
||||||
|
Hot worked
|
Good
|
Good
|
||||||
|
Machinability Rating
|
30%
|
30%
|
||||||
|
Resistance to Corrosion
|
Excellent
|
Excellent
|
||||||
|
Suitability for soldering
|
Excellent
|
Fair
|
||||||
|
Uses
|
||||||||
|
HT1 is suitable for Soldering
|
||||||||
|
Ht2 is suitable for Machining
|
||||||||
