This standard applies to the dimensional tolerances of wrought aluminum and aluminum alloy rolled plates and strips.
Rolled products with a rectangular cross-section, uniform thickness and greater than 0.20mm, usually cut or sawn at the edges, and delivered in a straight shape. The thickness does not exceed 1/10 of the width.
A rolled product with a rectangular cross-section and a uniform thickness greater than 0.20 mm. Usually the edges are slit and delivered in rolls. The thickness does not exceed 1/10 of the width.
Finished products with a width greater than 1500mm or a length greater than 4000mm are called large-size plates.
5A03, 5A05, 5A06, 5083, 5086, 5A41 and other aluminum-magnesium alloy ordinary grade plates and strips with an average magnesium content greater than or equal to 3% and a thickness greater than or equal to 4.0mm, the allowable deviation is ±5% of the nominal thickness, The allowable deviation of the thickness of other aluminum and aluminum alloy ordinary grade plates and strips shall comply with the provisions in the table below.
| Thickness | The specified width | |||||||
| ≤1000 | ＞1000～1500 | ＞1500～2000 | ＞2000～2500 | |||||
| Thickness tolerance | ||||||||
| Sheet | Strip | Sheet | Strip | Sheet | Strip | Sheet | Strip | |
| ＞0.20～0.40 | ±0.05 | ±0.05 | ±0.06 | ±0.06 | — | — | — | — |
| ＞0.40～0.63 | – 0.10 | ±0.05 | – 0.14 | ±0.08 | – 0.18 | ±0.09 | – 0.24 | ±0.12 |
| ＞0.63～0.80 | – 0.12 | ±0.06 | – 0.14 | ±0.08 | – 0.18 | ±0.10 | – 0.26 | ±0.13 |
| ＞0.80～1.00 | – 0.15 | ±0.08 | – 0.17 | ±0.09 | – 0.20 | ±0.11 | – 0.29 | ±0.15 |
| ＞1.00～1.20 | – 0.15 | ±0.08 | – 0.17 | ±0.10 | – 0.22 | ±0.12 | – 0.29 | ±0.15 |
| ＞1.20～1.60 | – 0.20 | ±0.10 | – 0.25 | ±0.13 | – 0.27 | ±0.14 | – 0.29 | ±0.15 |
| ＞1.60～2.00 | – 0.20 | ±0.10 | – 0.26 | ±0.13 | – 0.28 | ±0.15 | – 0.30 | ±0.18 |
| ＞2.00～2.50 | – 0.25 | ±0.13 | – 0.29 | ±0.15 | – 0.30 | ±0.16 | – 0.32 | ±0.18 |
| ＞2.50～3.20 | – 0.30 | ±0.15 | – 0.34 | ±0.17 | – 0.35 | ±0.18 | – 0.36 | ±0.23 |
| ＞3.20～4.00 | – 0.30 | ±0.15 | – 0.36 | ±0.20 | – 0.37 | ±0.23 | – 0.38 | ±0.25 |
| ＞4.00～5.00 |
+ 0.10 – 0.35 |
±0.23 |
+ 0.10 – 0.37 |
±0.25 |
+ 0.10 – 0.42 |
±0.28 |
+ 0.10 – 0.45 |
±0.30 |
| ＞5.00～6.30 |
+ 0.10 – 0.40 |
±0.25 |
+ 0.10 – 0.42 |
±0.28 |
+ 0.10 – 0.42 |
±0.33 |
+ 0.10 – 0.45 |
±0.38 |
| ＞6.30～8.00 |
+ 0.10 – 0.45 |
±0.30 |
+ 0.10 – 0.47 |
±0.36 |
+ 0.10 – 0.50 |
±0.38 |
+ 0.10 – 0.60 |
±0.46 |
| ＞8.00～10.00 |
+ 0.10 – 0.50 |
±0.38 |
+ 0.10 – 0.50 |
±0.43 |
+ 0.10 – 0.50 |
±0.51 |
+ 0.10 – 0.60 |
±0.58 |
| ＞10.00～16.00 | ±0.50 | ±0.50 | ±1.0 | ±1.5 | ||||
| ＞16.00～25.00 | ±0.75 | ±0.75 | ±1.5 | ±2.0 | ||||
| ＞25.00～40.0 | ±1.0 | ±1.0 | ±1.5 | ±2.0 | ||||
| ＞40.00～60.00 | ±1.5 | ±1.5 | ±2.0 | ±3.0 | ||||
| ＞60.00～80.00 | ±3.0 | ±3.0 | ±3.5 | ±4.0 | ||||
| ＞80.00～100.00 | ±3.5 | ±3.5 | ±5.0 | ±5.5 | ||||
| ＞100.00～160.00 | — | ±4.0 | ±5.5 | ±6.0 | ||||
| Note: For plates with asymmetrical deviation, when symmetrical deviation is required, the deviation of the corresponding strip can be adopted through negotiation between the two parties. | ||||||||
4.1 For common-grade plates with a thickness greater than 40mm, after rolling with the whole ingot, the head and tail are not cut, and the whole block is delivered.
4.2 The nominal length of the variable-section plate is calculated by the nominal thickness and average wedge degree of the thin end and thick end.
4.3 The length deviation of ordinary grade plates shall meet the requirements in the table below.
| Nominal thickness | Length Allowable Deviation | Nominal thickness | Length Allowable Deviation |
| ≤4.50 |
+25 – 5 |
＞10.0～40.0 | ±40 |
| ＞4.50～10.00 | ±25 | Variable break panel ≤5.0 (thick end) |
+50 0 |
The permissible deviation of the width of common-grade boards is in accordance with the regulations in the table below.
| Thickness | Width | Allowable deviation | |
| ≤4.5 | ≤1000 |
+5 -3 |
|
| ＞1000～2000 |
+10 – 5 |
||
| ＞2000～2400 | ±10 | ||
| ＞4.5 | Cut edge |
+30 -10 |
|
| No trimming | 5A03, 5A05, 5A06, 5083 and other aluminum-magnesium alloys with an average magnesium content greater than or equal to 3% and 7A09, 7A04, 7075 |
+150 0 |
|
| Other alloys and pure aluminum |
+120 0 |
||
| Note: For plates with a thickness ≤4.5mm that have been heat-treated in a salt bath furnace, and for large-size plates with a length >4000mm, the allowable width deviation is | |||
3104 aluminum sheet has suitable elongation, good corrosion resistance and good processability. Therefore, we can smelt it into alloys of different hardness according to different application requirements.
Aircraft grade aluminum sheet is a type of aluminum alloy that is specifically designed for use in aerospace applications. These sheets are made from high-strength aluminum alloys that are lightweight yet strong enough to withstand the stresses and strains of flight.
The 5052 anodized mirror plate is a type of aluminum sheet that has undergone an anodization process, resulting in a reflective surface. The material is primarily made from 5052 aluminum alloy, which is known for its excellent corrosion resistance and good formability.
Air conditioner aluminum foil is a material used to make air conditioner heat exchangers. Its main features are light and thin, good thermal conductivity, and corrosion resistance.
Diamond aluminum sheet is a type of aluminum sheet that features a raised diamond pattern on one side, which provides excellent slip resistance and traction in wet and slippery conditions.
3003 h14 aluminum coil refers to h14 tempered 3003 aluminum coil.And H14 tempering usually means getting 1/2 the strength with the hardness.
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Latest Comments
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