Free Cutting Brass Rods​

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 RequirementsGrade I
Copper56.0 – 59.0%
Lead2.0 to 3.50%
Iron0.35% max.
Total Imp. Excl. Iron0.70% max.
ZincRemainder
Physical Properties
ConditionSizeT.S. MPAEL% 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 workedPoor
Hot formedFair
Machinability Rating100%
Suitability for solderingExcellent
Suitability for BrazingGood
Uses
Precision Components, Hardware, Hinges, Lock Bodies, Screws, Nuts & Bolts
Chemical RequirementsGrade IIGrade III
Copper60.0 – 63.0%60.0 – 63.0%
Lead2.50 to 3.70%0.50 to 1.50%
Iron0.35% max0.20% max
Total Imp. Excl. Iron0.50% max0.50% max
ZincRemainderRemainder
Physical Properties
ConditionSizeT.S. T.S. MPAEL% MinT.S. MPAEL% 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 workedPoorFair
Hot formedFairExcellent
Machinability Rating90%80%
Suitability for solderingExcellentExcellent
Suitability for BrazingGoodExcellent
Uses
Gr II : Gear, Pinions, Precision, Automobile, Electronic Parts
Gr III : Precision Components Machining with Riveting Operation

Profile and Flats Brass Rods –

  • BS249
  • IS: 319 Gr. l & ll
  • IS: 8364 Gr. l & ll
  • BS: 2874 CZ121Pb3
  • CuZn39Pb3

Free Cutting Brass Rods

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