원래 장소:
중국
브랜드 이름:
QuanJiang
인증:
MILL CERTIFICATE，SGS
모델 번호:
양철 시트
문의하기
Modern high-speed container production lines require structural packaging substrates that provide exceptional vertical crush resistance and precise shape control. Our 0.18mm thickness Tinplate sheet series represents a highly specialized model, engineered through continuous annealing (CA) to achieve a resilient T5 hardness classification. By passing the cold-reduced steel strip through a rapid, automated vertical furnace tower, the material gains a completely uniform crystalline matrix. This precise thermal processing makes this thin-gauge sheet an ideal choice for manufacturing lightweight, high-strength three-piece food can bodies, aerosol containers, and rigid easy-open end components.
Developed specifically to function as a cost-effective and dependable food can material, this 0.18mm sheet features an equal 2.8/2.8 g/m² tin coating mass deposited via a continuous electrolytic plating line. This standard coating weight delivers a dense, pinhole-free metallic barrier that prevents ambient moisture, oxygen, and mild food acids from contacting the raw steel core. The sheets are finished with an inorganic chromium passivation film and a micro-layer of food-grade oil, creating a flat surface layout with zero edge-wave. This allows automatic vacuum feeders and magnetic cup-forming lines to run smoothly without double-sheet errors or unexpected machine stops.
The specific physical and chemical properties of our 0.18mm CA-T5, 2.8/2.8g/m² tin-plated sheets ensure reliable performance under high mechanical stress:
Choosing our standardized 0.18mm Tinplate sheet model provides clear mechanical and economic advantages to automated, high-volume canning plants. The primary advantage stems from the material's continuous annealing processing, which guarantees identical mechanical hardness and thickness profiles from edge to edge across every sheet. Because the metal behaves predictably under heavy stamping dies, can makers can maintain fixed press calibrations, reduce tool wear, and cut down on line changeover times.
Additionally, using a 2.8/2.8 g/m² tin mass combined with an internal lacquer coating creates an efficient protective system at an economical price point. When used as a food can material, the tin layer acts as a sacrificial anode. If microscopic scratches occur in the internal lining during high-speed rolling, body expansion, or mechanical seaming, the tin protects the steel core from corrosion. This sacrificial barrier stops rust spots and pinhole leaks from forming, helping to preserve the original freshness, natural aroma, and flavor profiles of vegetables, fish, meats, and milk powders throughout their shelf lives.
| Technical Parameter | Fixed Model Specification & Standard Parameters |
| Material Base Form | Continuously Annealed (CA) Electrolytic Tinplate Sheets |
| Steel Chemistry Type | MR Grade |
| Fixed Nominal Thickness | 0.18 mm |
| Standard Sheet Dimensions | 824 mm x 914 mm / 896 mm x 1020 mm |
| Tin Coating Mass (Internal/External) | 2.8 g/m² / 2.8 g/m² |
| Surface Finish Style | Bright Finish |
| Mechanical Temper Class | CA-T5 |
| Surface Treatment Format | Dichromate Passivation (Chemical Film) / Dioctyl Sebacate Oiling |
| Manufacturing Standards | Compliance with ISO 11950:1995, JIS G3303, ASTM A623 |
Q1: What are the primary manufacturing advantages of choosing continuous annealing (CA-T5) for 0.18mm sheets?
A1: Continuous annealing heats the steel strip rapidly and uniformly, which creates a highly consistent hardness and uniform tensile properties across the entire sheet layout. The T5 temper grade provides excellent structural stiffness, allowing manufacturers to use thinner 0.18mm sheets to save on raw material weight while maintaining the top-load crush resistance required for stacking containers in warehouses.
Q2: Is this 0.18mm sheet model safe and compliant for use as a direct food can material?
A2: Yes, absolutely. This material is manufactured using high-purity metallic tin and low-carbon MR-grade steel, complying fully with international food packaging safety standards. It is completely non-toxic, safe for direct contact, and forms an inert barrier that prevents iron migration, preserving the natural color and taste of fish, meats, beans, and evaporated milks.
Q3: How does the 2.8/2.8 g/m² bright finish surface handle high-definition lithographic brand printing?
A3: The bright finish profile features a smooth, highly reflective surface produced by processing the steel through ground work rolls. This clean, passivated metal surface provides excellent surface tension, allowing multi-color CMYK offset printing inks and protective external gloss varnishes to adhere tightly without any ink crawling, blistering, or peeling during production.
Q4: What protective measures are utilized to prevent transit rust and edge damage during ocean transport?
A4: To protect the sheets from high humidity and saltwater exposure during international shipping, every sheet bundle is wrapped in moisture-blocking vapor-corrosion-inhibitor (VCI) anti-rust paper. The entire pack is then enclosed in a heavy-duty structural steel outer casing, fitted with rigid steel corner guards, secured with high-tensile steel bands, and mounted firmly onto reinforced, export-ready wooden pallets.
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