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Free Cutting Brass Rods

Free Cutting Brass Rods
Free Cutting Brass Rods
Product Code : 05
Product Description
Free Cutting Brass Rods -
ASTM B 455
B 16 C 38500
C 36000
BS 2874 CZ - 121Pb3 or CZ124
IS319 Grade I/ II/ III
JIS3250 H C3604 or C3602

Chemical Requirements Grade I
Copper 56.0 - 59.0%
Lead 2.0 to 3.50%
Iron 0.35% max.
Total Imp. Excl. Iron 0.70% max.
Zinc Remainder
Physical Properties
Condition Size T.S. MPA EL% Min
Annealed (O)

6-25

25-50

50 above

345

315

285

12

17

22

Half-Hard (HB)

6-12

12-25

25-50

50 above

405

395

355

325

4

6

12

17

Hard (HD)

6-12

12-25

550

490

-

4

Fabrication Properties
Capacity for being
Cold worked Poor
Hot formed Fair
Machinability Rating 100.00%
Suitability for soldering Excellent
Suitability for Brazing Good
Uses
Precision Components, Hardware, Hinges, Lock Bodies, Screws, Nuts & Bolts

Chemical Requirements Grade II Grade III
Copper 60.0 - 63.0% 60.0 - 63.0%
Lead 2.50 to 3.70% 0.50 to 1.50%
Iron 0.35% max 0.20% max
Total Imp. Excl. Iron 0.50% max 0.50% max
Zinc Remainder Remainder
Physical Properties
Condition Size T.S. T.S. MPA EL% Min T.S. MPA EL% Min
Annealed (O)

6-25

25-50

50 above

355

305

275

15

20

25

315

285

255

22

27

32

Half-Hard (HB)

6-12

12-25

25-50

50 above

395

385

345

315

7

10

15

20

355n

345

305

285

8

12

22

27

Hard (HD) 6-12 12-25

550

485

 

4

460

400

 

4

Fabrication Properties
Capacity for being

Cold worked Poor Fair
Hot formed Fair Excellent
Machinability Rating 90.00% 80.00%
Suitability for soldering Excellent Excellent
Suitability for Brazing Good Excellent
Uses
Gr II : Gear, Pinions, Precision, Automobile, Electronic Parts
Gr III : Precision Components Machining with Riveting Operation

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