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Medical Grade Antimicrobial Copper (CU+)

At Ishita Brass we proudly manufacture marked Medical Grade Copper Pipes used in Medical Gas Distribution system. Uninterrupted Medical Gas supply is a necessity in hospitals (ICCU, Operation Theater, Wards, Nursery etc). Pipes facilitate this in most effective manner.

At Ishita Brass we proudly manufacture Medical Grade Copper Pipe used in Medical Gas Distribution system. Uninterrupted Medical Gas supply is a necessity in hospitals (ICCU, Operation Theater, Wards, and Nursery etc.) Pipes facilitate this in most effective manner.

Ishita medical grade copper tubes are manufactured as per EN13348/ BS EN 1057 specifications. The pipes are manufacturer under thorough inspections and quality control measures.

Ishita Brass medical grade copper tubes are available in size range 6mm to 108mm OD, 0.6mm to 2.0mm wall thickness in Half Hard/Hard condition and length 3 meter or as per requirement.

Particular EN13348 Standard
CHEMICAL COMPOSITION Copper (Cu) + Silver (Ag) 99.90% Spectro Analysis done per heat as per standard tolerances.
Phosphorous 0.015% to 0.04%
CARBON CONTENT TEST Determining lubricant residue as total Carbon Content by measuring Carbon Dioxide Generated. Tested with Combustion Method as per EN723:2009
TENSILE / ELONGATION TEST
Temper Tensile Strength MPa min. Elongation A % min Hardness (Indicative) HV 5
As per EN1773 Common Term
R220a annealeda 220 40 (40 to 75) Specifications maintained with help of In house testing facility.
R250 half hard 250 30 (75 to 100)
R290 hard 290 3 (min. 100)
DRIFTING TEST Depending on Size and Temper Mandatory / Agreed Terms Conical Mandrel @ 45º with tube end expanding 30º
FREE FROM DEFECT TEST EDDY Current Test for detection of local defects EDDY Current Test conducted in accordance with EN 1971
CLEANLINESS Proper Degreasing and End Capped Our pipes are Degreased as per standard and End Caps are affixed.
Nominal Outside Tolerance Wall Thickness
diameter (mm) e< 1 mm(%) e> 1 mm(%)
< 18 10 13
> 18 10 15
Medical Grade Copper Tubes as per EN 13348 / BS EN 1057 Specification
Sr. No. Outer Diameter MM Wall Thickness MM Wall Thickness Tolerance Temper Length (Meter) Weight Per Meter (in Kg)
Dimension Technical Details
1 10 0.6 +/- 10% Half Hard 3 Meter. 0.158
2 12 0.7 +/- 10% Half Hard 3 Meter. 0.222
3 15 0.9 +/- 10% Half Hard 3 Meter. 0.356
4 22 0.9 +/- 10% Half Hard 3 Meter. 0.533
5 28 0.9 +/- 10% Half Hard 3 Meter. 0.685
6 35 1.2 +/- 10% Half Hard 3 Meter. 1.139
7 42 1.2 +/- 10% Half Hard 3 Meter. 1.375
8 54 1.2 +/- 10% Half Hard 3 Meter. 1.780
9 76 1.5 +/- 15% Half Hard 3 Meter. 2.096
10 108 1.5 +/- 15% Hard 3 Meter. 2.992

Brass alloys

CATEGORY/STANDARD ASTM BS EN JIS DIN ISO IS
Leaded Brass (General Reference Density 8.5 gm/cm3)
High Leaded Brass C34500 CZ131 / CZ119 CW601N/CuZn35Pb2 C3560 2.0331 CuZn34Pb2  
Forging Brass C37700 CZ120 CW608N, CW617N C3771 BE 2.038 1634-CuZn38Pb2 IS3488/IS6912 FLB
Threaded Rolling Brass C35300 CZ119 CW606N, CW602N H3260(92)C3501 W CuZn44Pb2 1639-CuZn43Pb2  
Free Cutting Muntz Metal C37000 CZ124 CW607N H3100(92)C3713 2.0372    
Architectural Bronze C38500 CZ121 CW614N C3603 CuZn39Pb3 1637-CuZn39Pb3 IS:319 Grade 1
Architectural Bronze C38000 CZ122 CW618N H3100 C3561 CuZn39Pb2 1634-CuZn39Sn1  
Naval Brass (General Reference Density 8.44 gm/cm3) 
Naval Brass C46200 CZ112 H3100(92)C4621 P IS 291 GRADE 1
Naval Brass C46400 CZ114 CW719R H3100(92)C4640 BE 2.053 1634-CuZn38Sn1
Naval Brass C48200 CW714R CuZn37Pb1Sn1 426-1 CuZn37pb1Sn1 IS 291 GRADE 2
Naval Brass C48500 CZ134 CW711R 2.0371 CuZn39Pb2Sn
Nickel Silver Brass (General Reference Density 8.6 gm/cm3)
Nickel Silver Brass C77400
Nickel Silver Brass C77600
Nickel Silver Brass C79800 CW400J 2.077 1637-CuNi10Zn42Pb2
Nickel Silver C79860 CW407J,
CW408J, 		2.0750 CuNi12Zn37Mn6Pb2
Yellow Brass (General Reference Density 8.45 gm/cm3)
Cartridge Brass Yellow Brass C26000 CZ106 CW505L H3250(92)C2600 BE 2.0265 CuZn30 IS 4170 CuZn30
IS 4413 CuZn30
Yellow Brass C27000 CZ107 CW507L H3250(92) C2700 BE 2.0335 CuZn36 IS 2704 CuZn35
Yellow Brass C27200 CZ108 CW507L H3100(92)C2720 2.0321,CuZn37;CuZn36 1637-CuZn37 IS 4413 CuZn37
Yellow Brass C27400 CZ108 CW508L H3100(92)C2720 CuZn37 1634 -CuZn37
Yellow Brass C27450 CZ109 CW509L 2.036 CuZn37
Yellow Brass C27451
Yellow Brass C28500 CW510L CuZn42
High Tensile Brass (General Reference Density 8.45 gm/cm3)
High Tensile Brass - BS1400 HTB1 CC765S - 2.034 CuZn35Mn2AlFe1-C IS 304 HTB 1
High Tensile Brass - IS:304 HTB2 - - - CuZn36Al4FeMn -
High Tensile Brass - BS1400 HTB3 CC762S - CuZn35Al5 CuZn25Al5Mn4Fe3-C IS 304 HTB 2
High Tensile Brass - CZ115 CW722 R - - - IS 320 HT1
High Tensile Brass - CZ135 CW713 R C6782 2.055 - -
High Tensile Brass C67500 CZ114 CW721 R - - CuZn39AlFeMn IS 320 HT2
Other Brass (General Reference Density 8.45 gm/cm3)
Aluminum Brass C68700 CZ110 CW702R H3300(92) C6870 T 2.046 IS 1545 CuZn21Al2As
Admiralty Brass C44300 CZ111 CW706R H3100(92) C4430 P/R 2.047 CuZn28Sn1 IS 1545 CuZn29SnlAs
Manganese Brass C66800 CZ110
Manganese Brass C66700
Silicon Brass CW708 R 2.049/CuZn31Si1
Silicon Red Brass C69400 IS 11109 GRADE 1
Silicon Red Brass C69430 IS 11109 GRADE 1
DZR Brass (Dezincification Resistant Brass) / Low Leaded Brass (General Reference Density 8.44 gm/cm3)
Lead Free Brass C27450 CZ121 CuZn37
Muntz Metal C28000 CZ109 CW509L C2801 CuZn40 1634-CuZn40
Low Leaded Brass C33000 CW705R C330
DZR Brass (Dezincification Resistant Brass) C35330 CZ132 CW602N 2.0375 CuZn36Pb2As
Dezincification Resistant Forging Brass C48600 CZ111 C4430 2.0371 CuZn28Sn1
Copper-Lead-Zinc Alloy C36300 CW508L CuZn37
Leaded Muntz Metal C36500 CZ123 CW610N 1634 - CuZn40Pb

Copper Alloys

CATEGORY/STANDARD ASTM BS EN JIS DIN ISO IS
Chromium Zirconium Copper (General Reference Density 8.89 gm/cm3)
Zirconium Copper C15000 CW120C Z3234(99)-CuZr 2.158 CuZr IS 8365 CuZr
Copper Chromium Nickel Silicon C18000 DTD498 CW111C 2.0855 CuNi2Si
Copper Chromium Zirconium C18150 CC102 CW106C 2.1293 CuCr1Zr IS 8365 CuCrZr
Chromium Copper C18200 CC101 CW105C 2.1291 1640-CuCr1 IS 8365 CuCr
Copper Nickel (General Reference Density 8.94 gm/cm3)
CuNi2.2 C70200
CuNi11 C70800
Copper Nickel 95/5 C70400 CN101 C2532-GCN10 IS 8362 95/5
Copper Nickel C71500 CN107 CW354H H3300(92)-C7164 T 2.0882 1634-CuNi30Mn1Fe IS 8362 70/30
CuNi6 C70500 CN102
Copper Nickel 90/10 C70600 CN102 CW352H Z3341(93)-YCuNi-1 2.0872 1634-CuNi10Fe1Mn IS 8362 90/10
Other Copper (General Reference Density 8.94 gm/cm3)
Electrolytic Tough Pitch (ETP) C11000 C101 CW004A H3250(92)-C1100 BE 2.0060 R1337-CuETP IS191 - CuETP
IS 6912 - ETP
Phosphorus Deoxidized C12000 C106 CW009A H3300(92)-C1201 T 2.0076 Cu-DLP
Tellurium Copper C14500 C109 CW118C 2.1546 1637-CuTe IS 8328
Low Leaded Nickel Copper C19140 CuNiPbP
DHP COPPER C12200 C12200 CW024A C1220 2.009 Cu-DHP IS:191 Cu-DHP
DLP COPPER C12000 CW023A C1201 2.0076 Cu-DLP IS 1545 Cu-DLP
Leaded Nickel Copper C19160 CuNi1Pb1P

Bronze Alloys

CATEGORY/STANDARD ASTM BS EN JIS DIN ISO IS
Aluminum Bronze (General Reference Density 7.5 gm/cm3)
Aluminum Bronze C61400 CA106 CW303G H3100(92) C6140 P 2.0932 1634-CuAl8Fe3
Aluminum Bronze C62500 CA103
Aluminum Bronze C61800 CW305G Z3341(93)-YCuAl 2.094 1640 -CuAl10Fe
Aluminum Bronze "9A" C95200 CC331G 2.0941 1338-CuAl10Fe2 IS:305 AB1
Aluminum Bronze C62300 CA103 CW306G H3100(92) C6161 BE/BD/BF 2.0966 CuAl10Fe3 IS 10569 CuAl10Fe3
Aluminum Bronze "9C" C95400 AB1-C H5114
Aluminum Bronze C62400 CA106
Aluminum Bronze C95900 CW304G H5111-BC1 2.0962 4382-2 - CuSn8P
Silicon Aluminum Bronze (General Reference Density 8.5 gm/cm3)
Silicon Aluminum Bronze C63600 CuAl3Si
Silicon Aluminum Bronze C64200 CA107 CW301G CuAl7Si2 CuAl7Si2 IS 10569 CuAl7Si2
Silicon Bronze (General Reference Density 8.5 gm/cm3)
Silicon Bronze (AMS 4616) C64200 CA107 CW301G CuAl7Si2 CuAl7Si2
Low Silicon Bronze "B" C65100 CW115C 2.049 1187-CuSi1
High Silicon Bronze "A" C65500 CS101 CW116C 2.1525 R1187-CuSi3Mn1
Manganese Bronze (General Reference Density 8.36 gm/cm3)
Manganese Bronze C66800
Manganese Bronze C67500 CW721 R CuZn39AlFeMn
Manganese Bronze B C67000 CW400J 2.077 1637-CuNi10Zn42Pb2
Manganese Bronze C67600
Manganese Bronze C67300 2.0525
Manganese Bronze C86200
Nickel Aluminum Bronze (General Reference Density 7.6 gm/cm3)
Nickel Aluminum Bronze C63000 CA104,CA105 CW307G H3100(92) C6280 P 2.0966 1634-2-CuAl10Ni5Fe4 IS10569 CuAl10Fe5Ni5
Alpha Nickel Aluminum Bronze C95800 CA104 AB1 H2206(00) AlBCln2 2.0976 CuAl10Fe5Ni5 IS:305 AB2
Nickel Aluminum Bronze C63020 CA104 CW307G H3100 C6301 2.0978 1338- CuAl11Ni5Fe5
Nickel Tin Bronze Spinodal C96900 CW302G
Nickel Aluminum Bronze C63200 CA104 CW307G CAC303 (HBsC3) 2.0978 1637-CuAl10Fe5Ni5
Nickel Aluminum Bronze 9D C95500 AB2-C CC333G H2206(00)-AlBCln3 2.094 1338-CuAl10Fe5Ni5
NES 833 - Nickel Aluminum Bronze C62730 CA 104 CW307G C6301 2.0966 CuAl10Ni5Fe4
Leaded Commercial Bronze (General Reference Density 8.84 gm/cm3)
Leaded Commercial Bronze C31400 CuZn9Pb2
Nickel Leaded Commercial C31600
Phosphorus Bronze (General Reference Density 8.85 gm/cm3)
Phosphorus Bronze C51000 PB102 CW451K C5102 / 3270 CuSn4 1634-CuSn5 IS 7811
Phosphorus Bronze C53400 CW458K H3270(92) C5341 B CuSn5Pb1 CuSn5Pb1
Phosphorus Bronze C51080 H3110(92) C5102 P/R
Phosphorus Bronze C51800 CW457K H3270(92) C5102 B CuSn4Te1P
Phosphorus Bronze C51900 PB103 CW452K H3110(92) C5191 P/R 2.1025 CuSn6 IS 7814 Grade III
Phosphorus Bronze C51980 C11 2.1020 CuSn6
Phosphorus Bronze C52100 PB104 CW453K H3110(92) C5212 P/R 2.101/2.103 CuSn8 IS 7814 Grade IV
Phosphorus Bronze C52180 CW460K Z3441(93) YCuSn B CuSn8P
Phosphorus Bronze C52400 2.1050 427 - CuSn10
Phosphorus Bronze C52480
Phosphorus Bronze C90710 PB1 CC481K CuSn11P-C
Phosphorus Bronze C90810 PB2 CC483K CuSn12

Free Cutting Brass Rods- Grade I

  1. IS 319 / 89 NR. EQUIVALENT SPEC.
  2. BS 2874 / 86, CZ121PB3
  3. JIS3250H C-3604
  4. 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 II & III

  1. grade-IS 319 / 89 NR. EQUIVALENT SPEC.
  2. BS 2874 / 86 CZ124
  3. JIS3250 H C-3602
  4. 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 PropertiesGrade IIGrade 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 PropertiesGrade IIGrade III
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

Free Cutting Brass Rods With Improved Ductility

  1. grade-BS 2874 – CZ 131 NR
  2. EQUIVALENT SPEC. DTD 627
  3. EN CW606N – 12164
  4. DIN CuZn36Pb2 – 17900
  5. 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

grade--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  
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

  1. grade--IS 3488 / 80 NR. EQUIVALENT SPEC.
  2. BS 2874 / 86 CZ122
  3. 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

grade-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

  1. Grades - IS 4170 / 67 NR. EQUIVALENT SPEC.
  2. BS 2874 / 86 CZ 109
  3. JIS3250H C-2800
  4. 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)

Grade--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 (Lead)

  1. Grade--IS 2704 / 83 NR. EQUIVALENT SPEC. BS 2874
  2. CZ 119
  3. JIS3250 H C-2700
  4. 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

  1. grades---IS 320 / 80 NR. EQUIVALENT SPEC. BS 2874
  2. CZ 114 & CZ 115
  3. 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

  1. Grades--IS 291 / 89 NR. EQUIVALENT SPEC. BS 2874
  2. CZ 112
  3. CZ 113
  4. JIS3250 H C4622 / 41
  5. 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

Leaded Brass For Section

  1. grades---BS 2874 CZ 130
  2. EN 12167
  3. 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

Commercial Copper

BS 2874/86 CC101 NR. EQUIVALENT ASTMBC18400

Chemical Requirements Chromium Copper
Copper Remainder
Chromium 0.36 to 1.40%
Physical Properties
Tensile Strength 410 Mpa min
Elongation % 15% min
Fabrication Properties
Capacity for being
Cold Worked Excellent
Hot Formed Excellent
Suitability for Soldering Good
Suitability for Brazing Good
Immunity to hydrogen Excellent
embrittlement
Uses
General Engineering Purpose

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

High Conductivity Copper Rod

  1. BS 2874/86 C 101 NR. EQUIVALENT SPEC.IS 613/64
  2. ASTMB C11000
  3. BSENCW004
Chemical Requirements
Copper 99.9% min
Total Imp. (excl. Silver & Oxygen) 0.03% max
Physical Properties
Size mm 2 T.S.Kg/mm2 EL% Min
10 - 12 26.5 min 12%
12 - 25 25.50 min 18%
25 & above 23.50 min 22%
Fabrication Properties
Capacity for being
Cold formed Excellent
Hot formed Excellent
Machinability rating 20%
Suitability for soldering Excellent
Suitability for Brazing Good
Electrical Conductivity at 20 C 99.25% IACS
Uses
Where high electrical and thermal conductors are require like Switches, Terminals, Gaskets, Nails, Rivets etc.

Arsenic 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

Tellurium Copper

BS 2874 C 109 EQUIVALENT SPEC. ASTMB C14500

Chemical Requirements
Copper + Ag 99.80% min
Tellurium 0.3 to 0.7%
Physical Properties
Condition T.S. MPa EL% Min
Half Hard (HB) 260 8%
Annealed 210
Fabrication Properties
Capacity for being
Cold worked Good
Hot formed Good
Forgeability rating 65%
Machiniability rating 85%
Suitability for soldering Excellent
Suitability for Brazing Good
Electrical Conductivity 90% IACS
Uses
High Softening switch components, Cold headed torch tips, Nozzles for burners etc.

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