Trumony Aluminum Limited
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Parallel Flow Brazing tube is the high-tech aluminum products under the process of hot extrusion from refined aluminum ingot and then zinc spraying for anti-corrosion.
Parallel Flow Brazing tube is the core materials of new generation parallel flow air conditioning heat exchangers. It is outstanding in enviromental-friendly, efficient, energy-saving and cost reduction and was approved vividly in automobile air conditioning system. With restriction and prohibition of the application of the traditional refrigerant, it is a trend that household and commerical air conditioning heat exchanger needs revolution.
| Chemical Composition | ||||||||||
| No | Alloy | Si | Fe | Cu | Mn | Mg | Cr | Zn | V | Ti |
| 01 | 1050 | ≤ 0.25 | ≤ 0.40 | ≤ 0.05 | ≤ 0.05 | ≤ 0.05 | --- | ≤ 0.05 | ≤ 0.05 | ≤ 0.03 |
| 02 | 1100 | ≤ 0.95(Si+Fe) | 0.05-0.20 | ≤ 0.05 | --- | --- | ≤ 0.10 | --- | --- | |
| 03 | 1197 | ≤ 0.15 | ≤ 0.20 | 0.40-0.55 | 0.10-0.20 | ≤ 0.03 | ≤ 0.05 | ≤ 0.05 | ≤ 0.05 | ≤ 0.05 |
| 04 | 3102 | ≤ 0.40 | ≤ 0.70 | ≤ 0.10 | 0.05-0.40 | --- | --- | ≤ 0.30 | --- | ≤ 0.10 |
| 05 | 3R03 | ≤ 0.15 | ≤ 0.15 | ≤ 0.01 | 0.90-1.10 | ≤ 0.03 | ≤ 0.03 | ≤ 0.05 | ≤ 0.05 | ≤ 0.05 |
| Mechanical Properties | |||||
| No | Alloy | Temper | Tensile strength | Yield strength | Elongation |
| 01 | 1050 | O/F/H111/H112 | ≥ 65 | ≥ 20 | ≥ 25 |
| 02 | 1100 | O/F/H111/H112 | ≥ 75 | ≥ 20 | ≥ 25 |
| 03 | 1197 | O/F/H111/H112 | ≥ 80 | ≥ 25 | ≥ 20 |
| 04 | 3102 | O/F/H111/H112 | ≥ 75 | ≥ 20 | ≥ 25 |
| 05 | 3R03 | O/F/H111/H112 | ≥ 80 | ≥ 25 | ≥ 20 |
| Number | Inspection Item | Test according to | |
| 1 | Raw & auxiliary materials testing | Alloy, specification | Raw & auxiliary materials testing standard HX/QP8.2.4-1-2012 |
| Surface quality | |||
| 2 | Casting | Chemical composition | Chemical composition of aluminum alloy (inner quality standard) HX/QP8.2.4-9-2007 |
| 3 | Saw-cutting | Size | Aluminum alloy ingot inspection standard HX/QP8.2.4-2-2007 |
| Surface quality | Aluminum alloy ingot inspection standard HX/QP8.2.4-2-2007 | ||
| 4 | Milling surface | Size | Aluminum alloy ingot after milling surface inspection standard HX/QP8.2.4-10-2009» |
| Surface quality | Aluminum alloy ingot after milling surface inspection standard HX/QP8.2.4-10-2009 | ||
| 5 | Welding | Size | Skin & core materials welding inspection standard HX/QP8.2.4-9-2009 |
| Welding quality | Skin & core materials welding inspection standard HX/QP8.2.4-9-2009 | ||
| 6 | Heating | Temperature & time | Pusher-type aluminum sheet & ingot heating furnace operating standard HX/QP7.5.1-1-6-2007 |
| 7 | Hot-rolling | Emulsion quality | Hot-rolling emulsion inspection standard HX/QP8.2.4-4-2007 |
| Size | Hot-rolling materials inspection standard HX/QP8.2.4-3-2007 | ||
| Surface quality | Hot-rolling materials inspection standard HX/QP8.2.4-3-2007 | ||
| 8 | Cold rough-rolling | Thickness | Aluminum (cladded) strip & sheet & foil products inspection standard HX/QP8.2.4-7-2011 |
| Rolling oil quality | Cold-rolling procustion process lubricant inspection standard HXQP8.2.4-5-2007 | ||
| Surface quality | Aluminum (cladded) strip & sheet & foil products inspection standard HX/QP8.2.4-7-2011 | ||
| 9 | Cold finished-rolling | Thickness | Aluminum (cladded) strip & sheet & foil products inspection standard HX/QP8.2.4-7-2011 |
| Surface quality | Aluminum (cladded) strip & sheet & foil products inspection standard HX/QP8.2.4-7-2011 | ||
| Rolling oil quality | Cold-rolling procustion process lubricant inspection standard HXQP8.2.4-5-2007 | ||
| 10 | Tension-levelling | Surface quality | Aluminum (cladded) strip & sheet & foil products inspection standard HX/QP8.2.4-7-2011 |
