Promtech Round Brass Rods, For CASTING, Certification : ISI Certified, ROHS

Use: Free Cutting Brass Rod is also known as free machining brass or leaded brass and is mainly used for high speed machining like fasteners, gears, architectural extrusions, automotive engineering parts, etc. as it is corrosion resistance and has excellent machine ability.
 
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)
6-2525-5050 above
345315285
121722
Half-Hard (HB)
6-1212-2525-5050 above
405395355325
461217
Hard (HD)
6-1212-25
550490
-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)
6-2525-5050 above
355305275
152025
315285255
222732
Half-Hard (HB)
6-1212-2525-5050 above
395385345315
7101520
355n345305285
8122227
Hard (HD)
6-1212-25
550485
4
460400
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 PartsGr III : Precision Components Machining with Riveting Operation
 
Forging Brass Rods
 
 
Use: It is mainly used for manufacturing forged components and pressing materials like knobs, hardware’s, handles, valve and fuse bodies, brass battery terminal connectors, valve components, defence components etc.• Cz122• IS 8737• IS 3488/80
 
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
 
High Tensile Brass Rods
 
 
Use: High Tensile Brass Rods are also know as Manganese Brass and is used in manufacturing components like welding rods, valves, marine components, pump rods, etc. due to its high strength and resistance to corrosion.• IS 8737 / AMD-2
 
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 SolderingHt2 is suitable for Machining
 
Lead Free Brass Rods
 
 
Use: These rod are also known as Reverting Quality Brass Rod and is mainly used in blanking, riveting, bending, hot forging, watch case and belts, etc.• IS 4413/81• 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
 
Profile and Flat Brass Rods
 
 
• BS249• IS: 319 Gr. l & ll• IS: 8364 Gr. l & ll• BS: 2874 CZ121Pb3• CuZn39Pb3
 
Shape
Size
Round Rods
4mm to 100mm
Brass Bars
4mm to 100mm
Rectangle Bars
4mm to 60mm
Square Rod / Bars
4mm to 60mm
Brass Hollow Rods
As per requirement