Guides
Plain-language guides for buyers of aluminium profiles: alloys, tempers, finishes, tolerances and how to order.
6063 vs 6061 aluminium: which alloy?6063 extrudes into complex shapes with a smooth finish and is the standard for windows, doors and heatsinks; 6061 is stronger and used for structural…T5 vs T6 temper: what is the difference?T5 is cooled from the press and artificially aged; T6 is solution heat treated, quenched and aged for higher strength. What each temper means for…Anodizing vs powder coating vs PVDFCompare the three main aluminium finishes: appearance, durability outdoors, colours, cost and typical uses, with a decision table.How to order custom aluminium extrusions from ChinaA buyer's checklist for custom aluminium profiles: drawing, alloy and temper, tolerances, finish, die cost, samples, inspection, packing, trade terms…Thermal break aluminium profiles explainedHow thermal break aluminium window profiles work, polyamide strip vs pour-and-debridge, frame depths, U-values and when you need them.Packing and shipping aluminium profilesHow aluminium profiles are packed for export, what fits in 20 ft and 40 ft containers, FOB vs CIF, and how to avoid scratches and corrosion in…How aluminium profile prices are calculatedChinese aluminium profile prices are quoted as the aluminium ingot price plus a processing fee that depends on section, finish and fabrication. How…Aluminium window profile thickness: how thick is enough?Wall thickness decides how strong and how heavy an aluminium window profile is. What thickness to specify for windows and doors, and how to check it…How to choose an aluminium profile supplier in ChinaFactory or trader? A checklist for vetting Chinese aluminium extrusion suppliers: extrusion lines, own dies, surface treatment, certificates,…Aluminium extrusion tolerance standards explainedWhich standard sets the dimensional tolerances of aluminium profiles in Europe, the Americas and China, what they cover, and how to mark critical…Aluminium solar mounting rails: what to specifyHow aluminium PV mounting rails are specified: 6005-T5 vs 6063, anodizing thickness for outdoor use, rail sections, clamps and what solar brands…Aluminium windows for hot climatesWhat matters for aluminium windows in hot, sunny and dusty climates: solar-control glass, thermal breaks for air-conditioned buildings, UV-resistant…
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