Differential Tin Coating 100#/25# Electrolytic Tinplate with MR-Grade Steel for Industrial Pail Drum Manufacturing
Product Details
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differential tin coating ETP,industrial pail tinplate,cost effective tinplate steel |
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Product Description
- Differential Tin Coating Technology: The 100#/25# asymmetric coating applies heavy tin protection (11.2 g/m²) on the interior surface in contact with contents while using a lighter 2.8 g/m² coating on the exterior, reducing total tin consumption by up to 40% compared to equal 100#/100# coating while maintaining superior internal corrosion resistance.
- Enhanced Interior Corrosion Resistance: The 11.2 g/m² tin layer forms a robust barrier against acidic and alkaline industrial contents including paints, solvents, lubricants, and chemical formulations. Combined with a passivation treatment, this coating prevents pitting corrosion and ensures long-term storage stability.
- Excellent Deep-Drawing Formability: The MR-grade steel base with T4 temper provides the ideal balance of strength and ductility required for deep-drawing operations in pail and drum body manufacturing. The uniform tin coating maintains integrity during severe forming processes without cracking or delamination.
- Cost-Optimized Material Solution: By applying differential rather than equal tin coating weights, manufacturers realize significant material cost savings while achieving identical performance for applications where only one side requires maximum protection. This translates to lower per-unit packaging costs without quality compromise.
- Consistent Weldability and Seaming: The electroplated tin coating provides reliable and consistent welding characteristics essential for side-seam welding in cylindrical pail construction. The uniform coating thickness ensures strong, leak-proof seams that meet industrial packaging standards including UN-rated dangerous goods container requirements.
- Superior Surface Adhesion: The exterior surface provides excellent adhesion for exterior lacquers, lithographic printing, and labeling. The calibrated coating weight allows paint and coating manufacturers to achieve consistent exterior finishing with standard industrial coating systems.
| Parameter | Specification |
|---|---|
| Material Grade | MR (Medium Rigidity) Low-Carbon Steel |
| Tin Coating (Interior/Exterior) | 100#/25# (11.2/2.8 g/m²) Differential |
| Available Coating Combinations | 50#/25#, 75#/25#, 75#/50#, 100#/25#, 100#/50#, 100#/75# |
| Thickness Range | 0.20mm - 0.45mm |
| Width Range | 600mm - 1050mm |
| Temper (Hardness) | T3, T4, T5 (Single Reduced); DR8, DR9 (Double Reduced) |
| Surface Finish | Stone (R), Bright (B), Silver (S), Matte (M) |
| Annealing Type | Continuous Annealing (CA) or Batch Annealing (BA) |
| Applicable Standards | JIS G3303, ASTM A623, EN 10203, GB/T 2520 |
| Passivation Treatment | Sodium Dichromate (311) or Cathodic (CS) |
| Form Available | Coil or Cut-to-Length Sheet |
Product Highlights
Differential tin coating (100#/25#) electrolytic tinplate designed for industrial pail and drum manufacturing. Features heavy interior tin protection with economical exterior coating, achieving optimal cost-performance balance for non-food industrial packaging applications.
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