7003 aluminium coil is a grade-specific aluminium alloy product for further processing under an agreed engineering specification. Material designation, temper and product form should be considered together. The quotation should identify the actual rolled product offered and the inspection requirements that apply.
7003 aluminium coil is a grade-specific aluminium alloy product for further processing under an agreed engineering specification. Material designation, temper and product form should be considered together. The quotation should identify the actual rolled product offered and the inspection requirements that apply.
Enquiries may concern formed or fabricated components for which the design specifies 7003. Provide the operating requirements and downstream processing sequence so the requested material can be reviewed. Performance information for extrusions should not be treated as guaranteed coil properties.
Define whether the material will be formed in the supplied condition or processed further before service. Request the relevant mechanical-property and dimensional acceptance requirements for the actual thickness and temper. Review proposed alternatives before order confirmation.
Match the coil to the receiving line before placing an order. Confirm the inside diameter, maximum outside diameter, coil weight and permitted winding direction. State whether the order is for full-width coil, slit strip or material to be cut into sheets. Width and edge tolerances should reflect the next operation.
Separate essential requirements from preferred options. A clear specification allows any proposed change in temper, dimensions or finish to be reviewed before the order is accepted. Include drawing revision references so purchasing, production and inspection use the same requirements.
Describe the visible side, permitted surface marks, protective film requirements and handling method. Keep the material identification associated with the coil during receiving, storage and conversion. If traceability needs to continue onto slit coils or cut pieces, include that requirement in the processing plan.
The following checklist defines the enquiry. Availability, limits and tolerances are confirmed for the requested grade and condition.
| Product | 7003 Aluminium Coil |
|---|---|
| Alloy designation | 7003; chemistry to the specified material standard |
| Temper | Full temper designation and required delivery condition |
| Thickness | Nominal thickness, tolerance and inspection method |
| Width | Coil or strip width, tolerance and edge condition |
| Coil dimensions | Inside diameter, maximum outside diameter and coil weight |
| Surface | Mill finish or agreed finish, visible-side criteria and protection |
| Further processing | Slitting, levelling, cut-to-length or other processing as agreed |
| Inspection | Required dimensional, chemical, mechanical and supplementary documentation |
| Identification | Order, grade, temper and batch or coil identification |
| Packing | Support, wrapping, edge protection and handling orientation to order |
Do not apply a single generic strength, elongation or tolerance value to every temper and thickness. Name the applicable product standard and acceptance requirements in the purchase specification. Any proposed substitute material needs technical approval before supply.
Agree the coil support, wrapping, edge protection and restraint with the shipment plan. Packaging should be compatible with the receiving equipment, storage environment and unloading method. Identify maximum package weight and any restrictions at the delivery point before dispatch.
At receipt, check the package identification and inspect for impact or moisture damage. Keep coils dry and supported during storage. Avoid unprotected contact with sharp handling equipment, and retain the original identification until the material has been accepted and entered into the production system.
Send the grade, temper, thickness, width, quantity, coil dimensions, surface requirements and destination. Attach the drawing where relevant. List mandatory inspection documents and any processing or packing requirements. Availability, delivery schedule and commercial terms are confirmed in the quotation.
The alloy designation may be shared, but product form and processing affect the applicable specification. Use the rolled-product standard, temper and thickness range appropriate to the coil being purchased.
Specify thickness and width with tolerances, plus inside diameter, outside diameter and maximum coil weight. For slit material, include strip width, burr or edge requirements and winding preferences.
Describe the intended slitting, levelling, forming or cut-to-length operation. Processing and packing arrangements depend on the order specification and must be agreed before supply.
State the required inspection and identification documents in the enquiry. The documentation should correspond to the actual grade, temper, product form and ordered tests; a generic certificate is not a replacement for an agreed inspection requirement.
They depend on the requested grade, condition, dimensions, quantity, processing and destination. Submit the complete specification for an order-specific offer rather than relying on a general website price or delivery estimate.
Explore grades and supply options in our Aluminium Coil category. Send dimensions, quantities and application details to request an offer.
