Leaded Brass Rod

  • 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%
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% 80%
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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