Admirality Brass Tubes
Admirality Brass Tubes
Sunraj Industries manufacture, exports and supplies Admiralty brass tube which is a Copper Zinc Alloy and constitutes of 30% zinc and 1% tin. Admiralty brass tubes are renowned for their superior corrosion and erosion resistance.
Admiralty Brass Tubes are used in many different applications including; air coolers, evaporators, heaters, vent condensers, condensate coolers, water heaters, generators, ship-building, power plants and desalinations plants.
| Standard | BS 2871 PART 3 | ASTM B-111 | DIN 1785 | NFA 51 102 | JIS H3300 | IS 1575 |
| Symbol | CN 111 | C 44300 | CuZN28 Sa 1 | CuZn 29 Sa 1 | C4430 | CuZn 29 SN 1 As |
| Cu | 70.0-73.0 | 70.0-73.0 | 70.0-72.5 | 70.0-73.0 | 70.0-73.0 | 70.0-73.0 |
| Sn | 1.0-1.5 | 0.9-1.2 | 0.9-1.3 | 0.9-1.2 | 0.9-1.2 | 1.0-1.5 |
| Pb | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 | 0.07 |
| Ni | - | - | 0.1 | - | - | - |
| Fe | 0.06 | 0.06 | 0.07 | 0.06 | 0.06 | 0.06 |
| Zn | Remainder | Remainder | Remainder | Remainder | Remainder | Remainder |
| As | 0.02-0.06 | 0.02-0.06 | 0.02-0.35 | 0.02-0.06 | 0.02-0.06 | 0.02-0.06 |
| P | - | - | 0.1 | - | - | - |
| Total Impurites Max. | 0.30 | - | 0.1 | 0.30 | - | 0.30 |
| Condition | M | O 61 | F36 | - | O | O |
| TA | F 32 | TA | ||||
| O | D | |||||
| Yield | - | 105 | 140-220 | - | - | - |
| Strength | - | 100-170 | ||||
| N/mm2 | ||||||
| Tensile | - | 310 | 360 Min. | - | 314 | 375 Mps Max. |
| N/mm2 | 320 Min. | |||||
| 340 Mps Min. | ||||||
| 385 Mps Min. | ||||||
| Elongation | - | - | 45 Min. | - | 30 Min. | - |
| % | - | - | 55 Min. | - | 45 Min. | 35 Min. |
| Hardness HV 5 | 150 Min. | - | - | 80-120 | - | 80 Max. |
| 85-110 | 80-105 | 80-110 | 80-105 | |||
| 75 Min. | - | 130 Min. | ||||
| 150 Min. | ||||||
| Grain Size | 0.05 Max. | 010-045 | - | 010-045 | 010-045 | 010-045 |
| Mm (75X) |
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