Forging Brass Rods
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Chemical Requirements
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CuZn42Pb2
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CuZn40Pb2
|
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Copper
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56.5 - 60.0%
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57.0 - 59.0%
|
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Lead
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0.60 to 2.0%
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1.5 to 2.5%
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Iron
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0.30% max
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0.40% max
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Total Imp. Excl. Iron
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0.20% max
|
0.70% max
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Zinc
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Remainder
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Remainder
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Physical Properties
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||
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Tensile Strength
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380 Mpa Min
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40 kg/mm2 Min.
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Elongation %
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25% Min
|
18% Min.
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Izod Value
|
-
|
2.0 KJ min
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Fabrication Properties
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||
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Capacity for being
|
||
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Cold worked
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Poor
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Poor
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Hot formed
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Excellent
|
Excellent
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Hot forgeability rating
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100%
|
100%
|
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Machinability Rating
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80%
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80%
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Suitability for soldering
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Excellent
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Excellent
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Suitability for Brazing
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Good
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Good
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Uses
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Forged Components, Industrial Valves, Defense components, Watch Case, Automobile Valves Components
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Specification :
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|
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High Tensile Brass
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· IS 320 HT1 or HT2
· BS 2874 CZ114 or CZ115
· JIS 3250H C6782 or C6783
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Chemical Requirements
|
HT1
|
HT2
|
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Copper
|
56.0 - 60.0%
|
56.0 - 61.0%
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Lead
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0.20 to 1.50%
|
0.50 to 1.50%
|
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Iron
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0.20 to 1.25%
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0.20 to 1.50%
|
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Tin
|
0.20 to 1.0%
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1.0% max
|
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Aluminum
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0.2% max
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0.30 to 2%
|
||||||
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Manganese
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0.25 - 2.0%
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0.50-2.0%
|
||||||
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Total Imp.
|
0.50% max
|
0.50% max
|
||||||
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Zinc
|
Remainder
|
Remainder
|
||||||
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Physical Properties
|
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Condition
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Size
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T.S. MPa
|
EL% Min
|
T.S. MPa
|
EL% Min
|
|||
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As manufactured
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All Size
|
430 min
|
20%
|
460 min
|
20%
|
|||
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Cold-worked & Stress
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10-40
|
480 min
|
12%
|
520 min
|
12%
|
|||
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Relieved
|
40 above
|
500 min
|
15%
|
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Fabrication Properties
|
||||||||
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Capacity for being
|
||||||||
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Cold formed
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Poor
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Fair
|
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Hot worked
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Good
|
Good
|
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Machinability Rating
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30%
|
30%
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Resistance to Corrosion
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Excellent
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Excellent
|
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Suitability for soldering
|
Excellent
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Fair
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Uses
|
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HT1 is suitable for Soldering
|
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Ht2 is suitable for Machining
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