Tinplate Products DONGBU STEEL CO., LTD.

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Presentation transcript:

Tinplate Products DONGBU STEEL CO., LTD

Key Characteristics ◈ Dongbu’s high technology allows for the cost-effective production of high-quality tinplate products which are available in a wide variety of coating weights, widths and thickness. ◈ Dongbu’s tinplate products provides attractive surface finish, excellent corrosion protection, high workability, paintability, and printability. ◈ Dongbu is the sole Korean producer of double reduced tinplate in Korea.

Primary Tinplate & Tin Free Steel Products Key Characteristics End-User Markets Single Reduced Tinplate Excellent corrosion resistance Beverage, Food, General can Double Reduced Tinplate Excellent corrosion resistance, Very thin gauge Beverage, Food Single Reduced Tin Free Steel (ECCS) Excellent corrosion resistance, Excellent lacquerability Crown, General can Double Reduced Tin Free Steel (ECCS) Excellent corrosion resistance, Excellent lacquerability, Very thin gauge Beverage, Food

Dongbu’s Electrolytic Tinning Line (ETL) Overview

The No.2 ETL in Asan bay works Basic concept Design Export oriented location Asan bay with own port High productivity Line speed : 600 mpm Capa. : 200,000 Ton/year Thin gage Wide width Thickness : Min 0.14 mm Width : Max 1,220 mm Insoluble anode system Combination reflow system 2-Step process of ECCS New technology

No. 2 ETL PROCESS TFS BYPASS LOOPER TFS Cr PLATING TENSION LEVELLER N0. 1,2 TENSION REEL LOOPER NO. 1,2 PAY OFF REEL WELDER CLEANING TENSION LEVELLER TFS Cr PLATING TFS BYPASS REFLOW TP CHEMICAL OILER MAIN PULPIT BOTTOM INSPECTION PLCKLING TIN PLATING

Quality oriented new technology A. Insoluble anode system in the tinplating ㅇ Insoluble anode ㅇ Edge mask ㅇTin ion dissolution unit Features ㅇ Better coating weight profile (Especially #10 coating and less) ㅇ Lower edge over coating Advantages ㅇ High productivity ; Decrease of welding trouble in can making Benefits Anode system Edge-Mask Strip Tin Anode Insoluble Anode Insoluble anode Soluble anode

B. Combination reflow system ㅇ Conduction : 60% ㅇ Induction : 40% Features ㅇSuperior control of tin alloy layer ㅇ Considerably reduced arc spot Advantages ㅇAttractive surface finish Benefits C. 2-step process of ECCS ㅇ Each plating cell for metal Cr and Cr oxide Features ㅇMore accurate control of chrome oxide film Advantages ㅇLacquer adhesion improvement ㅇ Excellent film adhesion for laminated can Benefits

Size Availability Line Capacity (1000Ton) Unit Thickness Width Products & Applications Inchon Works No.1 180 mm 0.17 ~ 0.60 600 ~ 980 TP,TFS(Cr,Ni) Asan Bay Works No.2 200 mm 0.14 ~ 0.60 600 ~ 1,220 TP,TFS(Cr,Ni)

Specification