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[China]
Trade Verify
Address: NO.205 Zhengyang Road, Chengyang District, Qingdao,China
Contact name:Gary Lee
Qingdao Jero Steel Co., Ltd. |
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Corrosion Resistance Aluminum Alloy 5005 For Roofing Sheet
5005 aluminum alloy is widely used for architectural roofing systems, especially in commercial,
industrial, and residential applications where aesthetic appearance, durability, and corrosion re
-sistance are important. Thanks to its excellent surface quality and superior anodizing performance,
5005 is preferred for visible, long-span roofing structures.
Common Tempers
| Temper | Treatment Process | Characteristics & Applications |
| O | Annealed | Softest state; suited for deep forming. |
| H12 | Partially hardened (~25% CW) | Balanced strength/formability (general sheet metal). |
| H14 | Half-hard (~50% CW) | Moderate strength (architectural panels). |
| H32 | Stabilized (H22 + low-temp anneal) | Stress-corrosion resistant (outdoor use). |
| H34 | Hard (~75% CW) | Higher-strength parts (e.g., vehicle trim). |
Performance Advantages of 5005 in Roofing Applications
♦ Excellent Corrosion Resistance
5005 performs well in coastal, industrial, and urban environments, resisting oxidation, acid rain,
and pollution — extending roof lifespan with minimal maintenance.
♦ Superior Anodizing Quality
The alloy allows for uniform, color-consistent anodized finishes, making it ideal for visible archit
-ectural roofing where appearance is important.
♦ Lightweight
Aluminum is significantly lighter than steel, reducing structural load, making it easier to install and
suitable for lightweight framing systems.
♦ Good Strength-to-Weight Ratio
5005 offers enough strength for typical roofing needs while still being easy to handle and shape on-site.
♦ Excellent Formability
Easily fabricated into standing seam panels, corrugated sheets, shingles, and custom profiles, even in
complex curved roof designs.
♦ Non-sparking and Fire Resistant
Aluminum does not produce sparks and has a high melting point, enhancing safety in industrial or high
-risk areas.
Company Advantages
1) Full sets of imported vertical intelligent storage and logistic management system, and finishing
lines which fulfill all the requirements on various kinds of Aluminium plate,sheet and strip products.
2) We have has built up on the basis of outstanding management and complete quality control system
under its rich experiences and has got many kinds of quality management certificates such as ISO90
-01:2015, ISO14001:2015,ISO45001:2018,IATF16949:2016,AS9100D,ISO/TS22163:2017, and has
passed ABS,CCS, DNVGL,LR,NK,KR etc.proof from National Classification Society.
3) We take social responsibility and regards environment protection as main task for long-term develop
-ment. It is featured with pulse-type bag dedust system from NEDERMAN Germany,which emission
index of main exhaust stuff and particles are lower than national criteria.
Our factory own the world advanced equipments, include:
| Code | Name | Brand |
| 1 | aluminum ignot melting furnace | GAUTSCHI (Switzerland) |
| 2 | 2800mm width single stand cold rolling mill | SMS Group (Germany) |
| 3 | 4 continuous hot rolling mills | SMS Group (Germany) |
| 4 | all automatic three-dimensional elevated warehouse | Dematic (USA) |
