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Product Range
»
60/40 Brass Tubes
(Muntz Metal 280)
»
Copper Tubes for
Refrigeration &
Air Conditioning
»
Copper Tubes for General
Engineering Purpose
» Profile and Flats Brass Rods
» Aluminium Silicone Bronze Rods
Dezincification
Resistant Brass
(DZR) / Eco Brass
» C36300 Copper Lead Zinc Alloy
Copper Pipe for Medical
Gas Pipeline System (MGPS)
Specification : | ||
Free Cutting Hollow Rods |
|
GRADE-I | ||
Chemical Requirements | ||
Copper | 56 - 59% | |
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" |
GRADE-II | ||
Chemical Requirements | ||
Copper | 60.0 - 63.0% | |
Lead | 2.50 to 3.70% | |
Iron | 0.35% max | |
Total Imp. Excl. Iron | 0.50% max | |
Zinc | Remainder |
Physical Properties | |||
Condition | Size | T.S. MPA | EL% Min |
Annealed (O) | "6-25 25-50 50 above" |
"355 305 275" |
"15 20 25" |
Half Hard (HB) | "6-12 12-25 25-50 50 above" |
"395 385 345 315" |
"8 12 22 27" |
Hard (HD) | "6-12 12-25" |
"550 485" |
"- 4" |
GRADE-II | ||
Chemical Requirements | ||
Copper | 60.0 - 63.0% | |
Lead | 0.50 to 1.50% | |
Iron | 0.20% max | |
Total Imp. Excl. Iron | 0.50% max | |
Zinc | Remainder |
Physical Properties | |||
Condition | Size | T.S. MPA | EL% Min |
Annealed (O) | "6-25 25-50 50 above" |
"315 285 255" |
"22 27 32" |
Half Hard (HB) | "6-12 12-25 25-50 50 above" |
"355 345 305 285" |
"8 12 22 27" |
Hard (HD) | "6-12 12-25" |
"460 440" |
"- 4" |
Specification : | ||
Forging Hollow Rods |
|
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 |
Specification : | ||
High Tensile Hollow Rods |
|
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 " |
Aluminium | 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 | Oct-40 | 480 min | 12% | 520 min | 12% |
Relieved | 40 above | 500 min | 15% |
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