Brass Grade
FREE CUTTING BRASS RODS - GRADE I
IS 319 / 89 NR. EQUIVALENT SPEC. BS 2874 / 86, CZ121PB3,JIS3250H C-3604, ASTMBC38500
Chemical Requirements (%) | Grade I |
---|---|
Copper |
56.0 – 59.0 % |
Lead |
2.0 – 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 | 345 | 12 |
25-50 | 315 | 17 | |
50 above | 285 | 22 | |
Half-Hard (HB) | 6-12 | 405 | 4 |
12-25 | 395 | 6 | |
25-50 | 355 | 12 | |
Hard (HD) | 50 above | 325 | 17 |
6-12 | 550 | – | |
12-25 | 490 | 4 |
Fabrication Properties | |
---|---|
Capacity for being |
|
Cold worked |
Poor |
Hot formed |
Fair |
Machinability Rating |
100% |
Suitability for Soldering |
Excellent |
Suitability for Brazing | Good |
FREE CUTTING BRASS RODS - GRADE Il & lll
IS 319 / 89 NR. EQUIVALENT SPEC. BS 2874 / 86 CZ124, JIS3250 H C-3602, ASTMBC36000
Chemical Requirements (%) | Grade II | Grade III |
---|---|---|
Copper | 60.0 – 63.0 % | 60.0 – 63.0 % |
Lead | 2.50 – 3.70 % | 0.50 – 1.50 % |
Iron | 0.35 % max. | 0.20 % max. |
Total Imp. Excl. Iron | 0.50 % max. | 0.50 % max. |
Zinc | Remainder | Remainder |
Physical Properties Grade II Grade III | |||||
---|---|---|---|---|---|
Condition | Size | T. S. MPA | EL % Min | T. S. MPA | EL % Min |
Annealed (O) |
6-25 | 355 | 15 | 315 | 22 |
25-50 | 305 | 20 | 285 | 27 | |
50 above | 275 | 25 | 255 | 32 | |
Half-Hard (HB) | 6-12 | 395 | 7 | 355 | 8 |
12-25 | 385 | 10 | 345 | 12 | |
25-50 | 345 | 15 | 305 | 22 | |
Hard (HD) | 50 above | 315 | 20 | 285 | 27 |
6-12 | 550 | – | 460 | – | |
12-25 | 485 | 4 | 400 | 4 |
Physical Properties Grade II Grade III | ||
---|---|---|
Capacity for being | Â | Â |
Cold worked | Poor | Fair |
Hot formed | Fair | Excellent |
Machinability Rating | 90% | 80% |
Suitability for Soldering | Excellent | Excellent |
Suitability for Brazing | Good | Excellent |
FREE CUTTING BRASS RODS WITH IMPROVED DUCTILITY
BS 2874 – CZ 131 NR, EQUIVALENT SPEC. DTD 627, EN CW606N – 12164
DIN CuZn36Pb2 – 17900, UNS – C35300
Chemical Requirements(%) | |
---|---|
Copper | 61.00 – 63.00 % |
Lead | 1.50 – 2.50 % |
Iron | – 0.20 % max |
Total Imp Excl. Iron | – 0.50 % max |
Zinc | Remainder |
Physical Properties : (1/2 Hard) | |||
---|---|---|---|
Condition | Size | T. S. MPa | EL % Min. |
Half-Hard (AB) | 6 – 18 | 350 | 22 |
18 – 40 | 350 | 25 | |
40 – 80 | 350 | 28 | |
Above 80 mm | 330 | 28 |
Fabrication Properties | |
---|---|
Capacity for being | |
Cold Worked | Poor |
Machinability Rating (IS 319-I 100) | 70 |
Bending | Excellent |
Cold Heading | Excellent |
Rivetting | Excellent |
FREE CUTTING & FORGING BRASS RODS
EN 12164 : 1998
A | B | |
---|---|---|
Chemical Requirement(%) |
CuZn39Pb3 | CuZn40Pb2 |
CW614N | CW617N | |
Copper | 57 – 59 % | 57-59 % |
Lead | 2.5 – 3.5 % | 1.6 – 2.5 % |
Aluminum | 0.05 % max | 0.05 % max |
Iron | 0.30 % max | 0.30 % max |
Nickle | 0.30 % max | 0.30 % max |
Tin | 0.30 % max | 0.30 % max |
Total Imp. | 0.20 % max | 0.20 % max |
Zinc | Remainder | Remainder |
Physical Properties : (1/2 Hard) | ||||||
---|---|---|---|---|---|---|
Condition | Size | T. S. MPa | EL % Min. | Size | T. S. MPa | EL % Min. |
Half-Hard (AB) | 6 -14 | 400 | 15 | 6 -14 | 550 | |
14 – 40 | 380 | 18 | 14 – 40 | 500 | 8 | |
40 – 80 | 360 | 20 | 40 – 80 | 430 | 10 |
Fabrication Properties | |
---|---|
Capacity for being | Â |
Cold Worked | Poor |
Hot Formed | Excellent |
Suitability for Soldering | Excellent |
Suitability for Brazing | Good |
FORGING BRASS RODS
BS 218
Chemical Requirement (%) | |
---|---|
Copper | 56.50 – 60.00 % |
Lead | 1.00 – 2.50 % |
Iron | 0.30 % max |
Total Imp. | 0.70 % max |
Zinc | Remainder |
Physical Properties | |
---|---|
Rm – Tensile strength in Kg / mm2 | 32 min. |
Elongation on 5.65 A% | 25 min. |
Fabrication Properties | |
---|---|
Capacity for being |
|
Cold Worked | Poor |
Hot Formed | Excellent |
Hot Forgebility Rating (Forging Brass – 100 ) | 100 |
Machinability Rating (IS 319-I 100) | 80 |
Suitability for Soldering | Excellent |
Suitability for Brazing | Good |
FORGING BRASS RODS
IS – 6912 / 2005 FLB
Chemical Requirement (%) | |
---|---|
Copper | 56.50 – 60.00 % |
Lead | 0.60 – 2.00 % |
Iron | 0.30 % max. |
Total Imp excl Fe | 0.75 % max |
Zinc | Remainder |
Physical Properties | |
---|---|
Rm – Tensile strength in Mpa | 310 min. |
Elongation on 5.65 A% | 25 min. |
Fabrication Properties | |
---|---|
Capacity for being |
|
Cold Worked | Poor |
Hot Formed | Excellent |
Hot Forgebility Rating (Forging Brass – 100 ) | 100 |
Machinability Rating (IS 319-I 100) | 80 |
Suitability for Soldering | Excellent |
Suitability for Brazing | Good |
FORGING BRASS RODS
IS 3488 / 80 NR. EQUIVALENT SPEC. BS 2874 / 86 CZ122,ASTMBC37700
Chemical Requirements (%) | CuZn42Pb2 | CuZn40Pb2 |
---|---|---|
Copper | 56.5 – 60.0 % | 57.0 – 59.0 % |
Lead | 0.60 – 2.0 % | 1.50 – 2.50 % |
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 |
SPECIAL FORGING BRASS RODS FOR VALVES
IS 8737 / AMD – 2
Chemical Requirements % | |
---|---|
Copper | 56.5 – 60.0 % |
Lead | 1.0 – 2.0 % |
Manganese | 0.50 % max. |
Iron | 0.30 % max. |
Total Imp. | 0.75% max. |
Zinc | Remainder |
Physical Properties | |
---|---|
Tensile Strength | 40 kg/mm2 Min |
Elongation % | 18% Min. |
Izod Value | 2.2 Kgf Min. |
Fabrication Properties | |
---|---|
Capacity for being | |
Cold worked | Poor |
Hot formed | Excellent |
Hot forgeability Rating | 100% |
Machinability Rating | 80% |
Suitability for Soldering | Excellent |
Suitability for Brazing | Good |
RIVETING QUALITY BRASS RODS & WIRES
IS 4170 / 67 NR. EQUIVALENT SPEC. BS 2874 / 86 CZ 109,
JIS3250H C-2800, ASTMBC36500
Chemical Requirements % | CuZn40 |
---|---|
Copper | 59.0 – 62.0 % |
Lead | 0.75 % max. |
Iron | 0.10% max. |
Total Imp. Excl. Iron | 0.30 % max. |
Zinc | Remainder |
Physical Properties | |
---|---|
Tensile Strength | 40 kg/mm2 Min |
Elongation % | 18% Min. |
Izod Value | 2.2 Kgf Min. |
Fabrication Properties | |
---|---|
Capacity for being | |
Machinability Rating | 55 % |
Bending | Excellent |
Riveting | Excellent |
Forging | Excellent |
RIVETING QUALITY BRASS RODS (LEAD FREE)
IS 4413 / 81 NR. EQUIVALENT SPEC. BS 2872 / 86 CZ 108
Chemical Requirements % | CuZn37 | CuZn30 |
---|---|---|
Copper | 62.0 – 65.0 % | 60.5 – 71.50 % |
Lead | 0.30 % max. | 0.05 % max. |
Iron | 0.10 % max. | 0.05 % max. |
Total Imp. | 0.60 % max. | 0.30 % max. |
Zinc | Remainder | Remainder |
Physical Properties | ||||
---|---|---|---|---|
Condition | T. S. MPa | EL % Min | T. S. MPa | EL % Min |
Annealed (O) | 325 min | 35 % | 315 min | 45 % |
Half-Hard (HB) | 460-620 | – | 460-620 | – |
Hard (HD) | 660-775 | – | 620 min | – |
Fabrication Properties | |
---|---|
Capacity for being | |
Machinability Rating | 40 % |
Bending | Excellent |
Riveting | Excellent |
Forging | Excellent |
RIVETING BRASS RODS (LEADED)
IS 2704 / 83 NR. EQUIVALENT SPEC. BS 2874 CZ 119
JIS3250 H C-2700, ASTMBC34000
Chemical Requirements % | CuZn35Pb1 | CuZn35 |
---|---|---|
Copper | 62.0 – 65.0 % | 63.0 – 68.0 % |
Lead | 0.75 – 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 |
HIGH TENSILE BRASS RODS
IS 320 / 80 NR. EQUIVALENT SPEC. BS 2874 CZ 114 & CZ 115,
JIS3250H C6782 & C6783
Chemical Requirements % | HT1 | HT2 |
---|---|---|
Copper | 56.0 – 60.0 % | 56.0 – 61.0 % |
Lead | 0.20 – 1.50 % | 0.50 – 1.50 % |
Iron | 0.20 – 1.25 % | 0.20 – 1.50 % |
Tin | 0.20 – 1.0 % | 1.0 % max |
Aluminum | 0.20 % max. | 0.30 – 2.0 % |
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 |
NAVAL BRASS RODS - GRADE I & II
IS 291 / 89 NR. EQUIVALENT SPEC. BS 2874 CZ 112, CZ 113,
JIS3250 H C4622 / 41, ASTMBC482 / 8500
Chemical Requirements % | Grade I | Grade II |
---|---|---|
Copper | 61.0 – 64.0 % | 59.0 – 62.0 % |
Lead | 0.20% max. | 0.50 – 1.0 % |
Tin | 1.0 – 1.50 % | 0.50 – 1.0 % |
Iron | 0.10 max. | – |
Total Imp. | 0.20 max. | 0.20 % max. |
Zinc | Remainder | Remainder |
Physical Properties | |||||
---|---|---|---|---|---|
Condition | Size | T. S. kg/mm2 | EL % Min | T. S. kg/mm2 | EL % Min |
Half-Hard (HB) | Upto 12.5 | 40 min | 18 % | 40 min | 15% |
12.5 to 50 | 38.5 min | 18 % | 40 min | 15% | |
50 to 100 | 35 min | 18 % | 40 min | 15% |
Fabrication Properties | ||
---|---|---|
Capacity for being | ||
Cold Worked | Fair | Poor |
Hot Worked | Excellent | Good |
Machinability Rating | 30% | 50% |
Forgeability Rating | 90% | 90% |
Silver Alloy Brazing | Excellent | Good |
Soft Soldering | Excellent | Excellent |
Oxyacetylene Welding | Good | Not Suitable |
DEZINCIFICATION RESISTANCE BRASS (DZR)
Standard Specification | CW602N |
---|---|
(A) Chemical Requirements % | Europe |
Copper | 61.0 – 63.0 % |
Lead | 1.70 – 2.8 % |
Aluminum | 0.05 % max. |
Nickel | 0.30 % max. |
Iron | 0.10 % max. |
Tin | 0.10 % max. |
Zinc | Remainder |
Total Impurities | 0.20 % max. |
Arsenic | 0.02 – 0.15 % |
Remarks : | Mn <=0.1 |
(B) Mechanical Properties | |
Ultimate Tensile Strength MPa | 430 min. |
Elongation MPa | 200 min. |
Hardness HB | 110 min. |
LEADED COPPER
IS 8328 / 77
Chemical Requirements % | |
---|---|
Copper + Ag | 99.90 % min |
Lead | 0.8 – 1.5 % |
Physical Properties | ||
---|---|---|
Condition | T. S. MPa | EL % Min |
Half-Hard (HB) | 260 | 12 % |
Fabrication Properties | |
---|---|
Capacity for being Cold Worked | Good |
Hot Worked | Poor |
Machiniability Rating | 80% |
Suitability for Soldering | Excellent |
Suitability for Brazing | Good |
Electrical Conductivity | 85% IACS |
LEADED BRASS FOR SECTION
BS 2874 CZ 130, EN 12167, CW 624 N
Chemical Requirement (%) | |
---|---|
Copper | 55.50 – 57.50 % |
Lead | 2.50 – 3.50 % |
Aluminum | 0.50 % max. |
Total Imp. | 0.70 % max. |
Zinc | Remainder |
Physical Properties : | |
---|---|
Rm – Tensile strength in Mpa | 370 min. |
Elongation on 5.65 A% | 25 min. |
Proof strees (0.20%) in Kg/mm2 | 160 min. |
Hardness (HV) | 90-120 |
Fabrication Properties : | |
---|---|
Machinability Rating (IS 319-l 100) | 100 |
ARSENICAL COPPER
IS 288 / 81
Chemical Requirements % | |
---|---|
Copper + Silver | 99.20 % min |
Arsenic | 0.20 – 16.50 % |
Antimony | 0.05 % max. |
Bismuth | 0.002 % max. |
Oxygen | 0.10 % max |
Lead | 0.01 % max |
Physical Properties | |||
---|---|---|---|
Condition | Size | T. S. MPa | EL % Min |
Annealed | 10 to 25 | 215 | 35% |
25 to 50 | 205 | 40% | |
50 & above | 195 | 40% | |
As Manufactured | 10 to 25 | 255 | 15% |
25 to 50 | 245 | 18% | |
50 & above | 235 | 20% |
Fabrication Properties | |
---|---|
Capacity for being | |
Cold Worked | Excellent |
Hot Formed | Excellent |
Suitability for Soldering | Good |
Suitability for Brazing | Good |
Suitability for Riveting | Excellent |
ALUMINUM SILICON BRONZE RODS
IS 10569 / 05 NR. EQUIVALENT SPEC. ASTMBC64200
Chemical Requirements % | CuAl7Si2 |
---|---|
Copper | Remainder |
Aluminum | 6.3 – 7.60 % |
Iron | 0.30 % max. |
Nickel | 0.25 % max. |
Manganese | 0.10 % max. |
Tin | 0.20 % max. |
Lead | 0.05 % max. |
Zinc | 0.50 % max. |
Silicon | 1.5 – 2.2 % |
Total Imp. Excl. Fe, Ni & Mn | 0.50 % max. |
Physical Properties | |||
---|---|---|---|
Condition | Size | T. S. Kg/mm2 | EL % Min |
Annealed / As Manufactured | 6 to 15 | 620 | 9% |
15 to 50 | 575 | 12% | |
50 to 80 | 515 | 12% | |
80 & above | 485 | 15% |
Fabrication Properties | |
---|---|
Capacity for being | |
Cold Worked | Not Suitable |
Hot Formed | Excellent |
Machiniability Rating | 80% |
Suitability for Soldering | Excellent |
Suitability for Brazing | Good |
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