tinplate products dongbu steel co., ltd. key characteristics ◈ dongbu’s high technology allows...
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Tinplate ProductsTinplate ProductsTinplate ProductsTinplate Products
DONGBU STEEL CO., LTDDONGBU STEEL CO., LTD
Key CharacteristicsKey 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 ProductsPrimary Tinplate & Tin Free Steel Products
Single ReducedTinplate
Double ReducedTinplate
Single Reduced Tin Free Steel (ECCS)
Double ReducedTin Free Steel (ECCS)
Key Characteristics
Excellent corrosion resistance
Excellent corrosion resistance,Very thin gauge
Excellent corrosion resistance,Excellent lacquerability
Excellent corrosion resistance,Excellent lacquerability,Very thin gauge
End-User Markets
Beverage, Food,General can
Beverage, Food
Crown, General can
Beverage, Food
Dongbu’s Electrolytic Tinning Line (ETL)Overview
Dongbu’s Electrolytic Tinning Line (ETL)Overview
ITEM 1 ETL 2 ETL
Location Inchon Works Asan Bay Works
Start 1978. 8. 1999. 5.
Line Speed Max 300 mpm Max 600 mpm
Capa.(year) 180,000 M/T 200,000 M/T
Process Type Ferrostan Type
Products TP & ECCS (Dual Line)
Strip Thickness 0.15 ~ 0.60 mm 0.14 ~ 0.60 mm
Size Width 600 ~ 980 mm 600 ~ 1220 mm
Coating TP #10 ~ #100 #5 ~ #135
Weight ECCS 100 mg/㎡ 100 mg/㎡
Shear Straight 1 Line(HALLDEN) 1 Line (LITTELL)
Line Scroll 2 Line (LITTELL) 1 Line (LITTELL)
The No.2 ETL in Asan bay worksThe No.2 ETL in Asan bay works
Basic conceptBasic concept
• Export oriented location• Export oriented location
DesignDesign
• Asan bay with own port• Asan bay with own port
• Thin gage• Wide width
• Thin gage• Wide width
• Thickness : Min 0.14 mm• Width : Max 1,220 mm
• Thickness : Min 0.14 mm• Width : Max 1,220 mm
• High productivity• High productivity • Line speed : 600 mpm• Capa. : 200,000 Ton/year
• Line speed : 600 mpm• Capa. : 200,000 Ton/year
• New technology• New technology• Insoluble anode system• Combination reflow system• 2-Step process of ECCS
• Insoluble anode system• Combination reflow system• 2-Step process of ECCS
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
LOOPER
MAIN PULPIT
BOTTOM
INSPECTION
PLCKLING
TIN PLATING
No. 2 ETL PROCESSNo. 2 ETL PROCESS
Anodesystem
Edge-Mask
Strip Strip
Tin Anode
Insoluble Anode
Insoluble anode Soluble anode
ㅇ Insoluble anode
ㅇ Edge mask
ㅇ Tin 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
A. Insoluble anode system in the tinplating
Quality oriented new technologyQuality oriented new technology
ㅇ Conduction : 60%
ㅇ Induction : 40%
Features
ㅇ Superior control of tin alloy layerㅇ Considerably reduced arc spot
Advantages
ㅇ Attractive surface finish
Benefits
ㅇ Each plating cell for metal Cr and Cr oxide
Features
ㅇ More accurate control of chrome oxide film
Advantages
ㅇ Lacquer adhesion improvementㅇ Excellent film adhesion for laminated can
Benefits
C. 2-step process of ECCS
B. Combination reflow system
Size AvailabilitySize Availability
LineCapacity(1000Ton)
Unit Thickness WidthProducts
& Applications
Asan BayWorks
No.2 200 mm 0.14 ~ 0.60 600 ~ 1,220 TP,TFS(Cr,Ni)
InchonWorks
No.1 180 mm 0.17 ~ 0.60 600 ~ 980 TP,TFS(Cr,Ni)
SpecificationSpecification