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ALUMINIUM COILS FOR HYDROPHLIC FINSTOCK
flat fin stock has proved its worth in air
conditioners, car radiators and heat exchangers. With the help of
high-quality ingots, state-of-the-art gauge and shape control
and precision slitting, we manufacture fin stock that has tight
gauge tolerances and excellent slit edges. A tight build-up
combined
with internal sound metallurgical properties produce good
drawability required for all types of finning;
Dimensions | ||
Parameter | Range | Tolerance |
Thickness (mmz0 | 0.10-0.28mm | +/-0.005 up to 0.12 |
Partially annealed: 0.10 — 0.25 | +/-0.01 for > 0.12 | |
Width (mm) | 150 — 1900 | +/-0.5 for 100 — 250 |
+/-1 for > 250 | ||
Coil I.D (mm) | With core: 70, 76, 150, 203, 300, 508 | - |
Coil O.D (mm) | 300 — 1350 —550 | - |
Core | Plastic / M.S / AL | - |
Flatness |
Less than 20 I units (typical) |
Applicable standards | |
:: | ASTM - B - 209M, Aluminium association — aluminium standards and data |
Mechanical properties | ||||
Alloy (AA) | Temper | %E (min) | UTS(mpa) | |
Min | Max | |||
1050 | H19 | 1 | 130 | - |
H26 | 4 | 95 | 130 | |
1100 | O | 20 | 70 | 110 |
H14 | 3 | 105 | 140 | |
H16 | 2 | 125 | 150 | |
H22 | 20 | 95 | 130 | |
H24 | 8 | 110 | 145 | |
H26 | 4 | 130 | 165 | |
1200 | O | 20 | 70 | 100 |
H14 | 3 | 105 | 140 | |
H16 | 2 | 125 | 150 | |
H22 | 20 | 95 | 130 | |
H24 | 8 | 110 | 145 | |
H26 | 4 | 130 | 165 | |
3003 | O | 20 | 95 | 130 |
H14 | 3 | 130 | 180 | |
H18 | 2 | 185 | - | |
8006 | H25 | 8 | 120 | 145 |
O | 25 | 100 | 130 | |
8011 | O | 25 | 85 | 115 |
Chemical composition | ||||||
Alloy (%) | AA1050 | AA1100 | AA1200 | AA3003 | AA8006 | AA8011 |
Fe | 0.40 | 0.95 | 1.00 | 0.70 | 1.4 0 — 1.60 | 0.6 — 1.00 |
Si | 0.25 | (Fe + Si) | (Fe + Si) | 0.60 | 0.02 | 0.5 — 0.90 |
Mg | 0.05 | - | - | - | 0.02 | 0.05 |
Mn | 0.05 | 0.05 | 0.05 | 1.0 — 1.50 | 0.4 — 0.50 | 0.20 |
Cu | 0.05 | 0.05 — 0.20 | 0.05 | 0.05 — 0.20 | 0.05 | 0.10 |
Zn | 0.05 | 0.10 | 0.10 | 0.10 | 0.05 | 0.10 |
Ti | 0.03 | - | 0.05 | 0.1(Ti+Zr) | 0.03 | 0.08 |
Cr | - | - | - | - | - | 0.05 |
Each(Others) | 0.03 | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
Total (Others) | - | 0.15 | 0.125 | 0.15 | 0.15 | 0.15 |
Al | 99.50 | 99.00 | 99.00 | Remainder | Remainder | Remainder |
Packing
GBS flat fin stock is packed on wooden skids in either eye-to-sky
or eye-to-wall condition, wrapped in HDPE fabric and
hardboard and strapped with hoop iron. Moisture protection is
ensured with silica gel packets and as the final step, the entire
packed product is placed in a wooden cage.