What Thickness Options Are Available for Zr702 Foil?

Zr702 (Gr2 Pure Zirconium) foil, as a high-purity zirconium-based material, offers diverse options in terms of thickness specifications. Ranging from ultra-thin foil (0.05 mm) to thick foil (3.0 mm), the thickness range of Zr702 foil covers the vast majority of industrial application requirements. Different thickness specifications correspond to distinct mechanical properties, processing characteristics, and application scenarios. This article provides a comprehensive overview of the Zr702 foil thickness specification system, technical parameters for each grade, selection recommendations, and supplier information.

1. Thickness Specification System for Zr702 Foil

The standard thickness range for Zr702 foil is 0.05–3.0 mm, classified into four grades:Ultra-thin foil: 0.05–0.15 mm — Primarily used in the electronics industry, acoustic diaphragms, and precision filtrationThin foil: 0.15–0.50 mm — Mainly applied in chemical equipment linings, heat exchangers, and battery separatorsMedium-thick foil: 0.50–1.50 mm — Widely used for chemical reactor linings, marine components, and medical devicesThick foil: 1.50–3.00 mm — Primarily employed in large-scale chemical vessels, nuclear industry components, and deep-sea equipmentTensile Strength: 380–480 MPa (cold-worked)Elongation: ≥15%Hardness: HB 80–120Surface Roughness: Ra ≤0.4 μmTypical Width: ≤600 mmTensile Strength: 340–450 MPa (annealed) / 400–550 MPa (cold-worked)Elongation: ≥20% (annealed) / ≥12% (cold-worked)Hardness: HB 70–100 (annealed) / HB 100–150 (cold-worked)Surface Roughness: Ra ≤0.8 μmTypical Width: ≤1200 mmTensile Strength: 340–450 MPa (annealed)Elongation: ≥20%Hardness: HB 70–90Surface Roughness: Ra ≤1.6 μmTypical Width: ≤1500 mmTensile Strength: 340–450 MPaElongation: ≥20%Hardness: HB 70–90Surface Roughness: Ra ≤3.2 μmTypical Width: ≤2000 mm

2. Technical Parameters by Thickness Grade

(1) Ultra-Thin Foil (0.05–0.15 mm)

(2) Thin Foil (0.15–0.50 mm)

(3) Medium-Thick Foil (0.50–1.50 mm)

(4) Thick Foil (1.50–3.00 mm)

Summary of Thickness Grades

3. Thickness Tolerance Standards

In accordance with the ASTM B551 standard, the thickness tolerances for Zr702 foil are as follows:• Thickness ≤0.20 mm: ±0.01 mm• Thickness 0.20–0.50 mm: ±0.02 mm• Thickness 0.50–1.00 mm: ±0.03 mm• Thickness 1.00–3.00 mm: ±0.05 mm

Thickness Tolerance Reference

4. Selection Recommendations by Thickness Grade

Selecting the appropriate thickness specification is critical for optimizing performance and cost-effectiveness:

• Electronics Industry: Ultra-thin foil (0.05–0.15 mm) is recommended for its excellent conductivity and flexibility.

• Chemical Equipment Linings: Thin to medium-thick foil (0.30–1.00 mm) is recommended, balancing corrosion resistance and structural strength.

• Heat Exchangers: Thin foil (0.30–0.50 mm) is recommended for superior thermal conductivity and formability.

• Medical Devices: Thin foil (0.15–0.50 mm) is recommended due to its biocompatibility and ease of processing.

• Deep-Sea Equipment: Medium-thick foil (1.00–3.00 mm) is recommended for high strength and seawater corrosion resistance.

Application-Based Selection Guide

5. Custom Specifications

In addition to standard thickness specifications, Zr702 foil can be customized according to customer requirements for special thicknesses and widths. Common custom specifications include:

• Extra-Wide Foil: Widths up to 2500 mm

• Ultra-Thin Foil: Minimum thickness down to 0.025 mm (requires special processing)

• Composite Foil: Clad rolling of Zr702 with stainless steel or titanium materials

6. Conclusion

Zr702 foil offers a rich selection of thicknesses ranging from 0.05 mm to 3.0 mm, meeting the application requirements of different industrial sectors. Proper selection should consider corrosion environment, mechanical requirements, processing conditions, and cost factors. For special specification requirements, it is recommended to collaborate with experienced suppliers to ensure material quality and delivery timelines.

FAQ

Q1: What is the minimum order quantity (MOQ) for Zr702 foil?

The MOQ for standard specifications is typically 50 kg. Ultra-thin foil and special specifications may have higher MOQs.

Q2: What is the delivery lead time for Zr702 foil?

The lead time for standard specifications is 4–6 weeks. Special specifications or large-volume orders may require 6–10 weeks.

Q3: Can Zr702 foil undergo surface treatment?

Yes. Zr702 foil can be subjected to surface treatments such as pickling, polishing, and sandblasting to improve surface quality and corrosion resistance.

Finding a Reliable Zr702 Foil Supplier

Baoji Titanium Valley Titanium, Nickel & Zirconium Material Processing Co., Ltd. is a professional manufacturer of high-end rare metal processing products. Equipped with an Italian Danieli rolling production line, the company produces over 5,000 metric tons of zirconium materials annually, offering full-size customization and EN 10204 3.1 certification services. Contact us now for technical support and quotation: sales@titaniumvalleys.com

References

ASTM B551-21 Standard Specification for Zirconium and Zirconium Alloy Bars and Rods[S]. West Conshohocken: ASTM International, 2021.

GB/T 27634-2011 Nuclear-Grade Zirconium Alloy Pipes, Bars, and Wires[S]. Beijing: Standards Press of China, 2011.