Brass Hollow Rods

 

Forging Brass Hollow Rods

  • ASTM B 124 C37700
  • BS 2874 CZ 122
  • IS 3488 Forging Brass

Product Details:

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

Free Cutting Brass Hollow 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

Product Details:

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

 

High Tensile Brass Hollow Rods

  • IS 320 HT1 or HT2
  • BS 2874 CZ114 or CZ115
  • JIS 3250H C6782 or C6783

Product Details:

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

 

Lead Free Brass Hollow Rods

These rod are also known as Lead Free Brass Hollow Rods and is mainly used in blanking, riveting , bending, hot forging, watch case and belts, etc.
  • IS4413
  • IS4170
  • DTD-627
  • BS2874/86 CZ-109
  • BS2872/86 CZ-108

Chemical Requirements CuZn40 CuZn35 CuZn37 CuZn30
Copper 59.0 – 62.0% 63.0 – 68.5% 62.0 – 65.0% 60.5 – 71.50%
Lead 0.75% max 0.05% max 0.30% max. 0.05% max.
Iron 0.10% max 0.05% max 0.10% max 0.05% max
Total Imp. 0.30% max 0.30% max 0.60% max 0.30% max
Zinc Remainder Remainder Remainder Remainder

 

Profile and Flats Brass Hollow Rods

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

Riveting Brass Hollow Rods

  • IS 4170 CuZn40
  • BS 2874 CZ109
  • JIS 3250 H C2800
  • ASTM B171 C 36500
  • IS 4413 CuZn37
  • BS 2872 CZ108

Chemical Requirements

CuZn35Pb1 CuZn35
Copper 62.0 – 65.0% 63.0 – 68.0%
Lead 0.75 to 1.50% 0.02% max.
Iron 0.10% max 0.05% max
Total Imp. 0.50% max 0.30% max
Zinc Remainder Remainder

Physical Properties

Condition T.S. MPa EL% Min T.S. MPa EL% Min
Quarter Hard (HA) 325-390 30% 340-345 30%
Half-Hard (HB) 400-490 20% 420-510 15%
Hard (HD) 500-685 15% – –
Extra Hard (HE) 695-885 5% – –

 

Fabrication Properties
Capacity for being
Cold forming Excellent
Machinability Rating 70%
Bending Excellent
Riveting Excellent
Uses
Ductile Alloy with good combination of bending as well as cold heading properties
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