Zirconium 702 Foil: ASTM B551 Specifications, Selection and RFQ Guide

Direct answer. Zirconium 702 foil should be purchased against a controlled requirement covering grade, foil thickness and tolerance, width, delivery condition, surface, applicable standard, service environment and traceable documentation. A generic corrosion-resistance statement is not sufficient to qualify a finished component.

Definition: what a Zirconium 702 foil specification must control

A controlled Zirconium 702 foil request identifies the nominated grade, product form, governing standard, thickness and tolerance, width, length or coil presentation, surface and edge requirement, quantity, certificate requirement and any agreed supplementary testing. ASTM B551 is commonly referenced for zirconium and zirconium alloy strip, sheet and plate, subject to the applicable edition and project requirement.

1. RFQ checklist for Zirconium 702 foil

2. Service and fabrication boundary

Foil suitability depends on the real process medium, temperature history, chemical concentration, contaminants, component geometry, joining method and design load. Supply this context with the drawing. A material article can guide RFQ preparation, but it cannot replace corrosion engineering or finished-component qualification.

3. Receiving inspection and traceability

At receipt, reconcile the purchase order, package label and material certificate. Confirm grade, foil form, dimensions, condition, quantity and required evidence before material enters production. Where supplementary testing is required, define the method, sampling plan, acceptance criterion and report format before quotation.

Frequently asked questions

Which standard applies to Zirconium 702 foil?

ASTM B551 is commonly referenced for zirconium and zirconium alloy strip, sheet and plate, subject to the applicable edition and project specification.

Can a grade name alone determine foil suitability?

No. The grade must be assessed with the controlled product form, dimensions, delivery condition, fabrication route, service boundary and evidence requirement.

Where can I compare Zirconium 702 and 705?

See the Zirconium 702 versus 705 selection guide for the comparison framework.

Product route and technical quotation

Review the zirconium foil product category for product families. For a drawing-based material review, request a technical quotation with the complete controlled requirement.

References and use note

1. ASTM B551, applicable edition, Zirconium and Zirconium Alloy Strip, Sheet and Plate.
2. Project drawing, purchase specification, material certificate and agreed inspection plan.

Source note: this guide supports procurement specification and does not replace the governing contractual standard, corrosion analysis or component design validation.