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Product Product Test Results Mechanical Properties Indication of Weight of Zinc Coating
Features and Usages
  Product
Electrolytic Galvanized Iron

Electrolytic Galvanized Iron
Dongbu Steel EGI is 100% Non-Cr product.
It is constructed with the state-of-the-art surface processing equipment in consideration of environment from the stage of line design.
Dongbu Steel produces and supplies products in compliance with instruction on restriction of toxic substance use (home appliances: RoHS, cars: EU ELV Directive).

Dongbu Steel EGL produces and supplies 0.20t products first in Korea and contributes to strengthening of competitive edge of related industries through local production of imported products.

 
Non - Cr Products
Anti-finger steel plate removing CR6+ and CR3+ used for improvement of corrosion resistance and resin film on the zinc-galvanizing layer of anti-finger steel plate of existing EG.
 
Size Availability
Division Contents
Thickness 0.20 ~ 1.2mm
Width 750 ~ 1300mm
Unit Coil Weight Max 25ton / Min 3ton
Coating Weight 3 / 3 g/m 2 - 50 / 50 g/m 2
Coil ID 508 / 610 Sleeve
 
Product Test Results
Limit Values of Toxic Substances Prescribed in RoHS & Product Test Results
Toxic substance Prescribed limit value (ppm) Product Test Result
Test Method MDL(ppm) Results
Cadinum(Cd) 75 USEPA3050B ICP - AES 0.5 N.D
Lead(Pb) 1000 5 N.D
Mercury(Hg) 1000 USEPA3052 ICP -AES 2 N.D
Hexavalent Chromium(CrVI) 1000 USEPA3060A UV - Vis 1 N.D
Polybrominated Biphenyls(PBBs) 1000 USEPA3040C GC/MS 5 N.D
Polybrominated Diphenyl Ethers(PBDEs) 1000 5 N.D N.D
N.D = Not Detected / M.D.L= method Detection Limit
 
Mechanical Properties
Mechanical Properties
Div. Pure-Zn(KS/JIS) Bending Test Mechanical Properties (Kgf/mm2,(%)) Remarks
Angle Radius YP TS EL
Type 1 SECC 180¡Æ Close adhesion - ¡ò 28 ¡ò 37 For lock forming
Type 2 SECD - ¡ò 28 ¡ò 39 For drawing
Type 3 SECE(N) - ¡ò 28 ¡ò 40 For non-aging deep drawing
 
Indication of Weight of Zinc Coating
Indication of Weight of Zinc Coating
Indication Mark of Weight of Zinc Coating Minimum Weight of Zinc (1 face) Remarks
(coating thickness: §­ > )
Double-faced coating Differential coating
2.6 - 0.4
5 4.3 4.0(not for one-side) 0.7
10 8.5 8.0 1.4
20 17.0 16.0 2.8
30 25.5 24.0 4.2
40 34.0 32.0 5.6
50 42.5 40.0 7.0
 
Features and Usages
IFeatures and Usages of Surface Treatment
Division Features Usages
No treatment Chemical processing and unoiled processing COLOR steel materials
Oiling Used for spray painting products with application of rust preventive oil For coating of home appliance parts
Phosphate processing Phosphate film processing of 1-3g/m for improvement of coatability For electronic part
Phosphate + anti-finger Improvement of anti-finger, drawing quality and corrosion resistance General computer case cassette, VTR Deck
Anti-finger 1 coat/1 bake Home appliances /office supplies
Lubricated steel plate Can process without press oil with application of lubrication resin after plating For press processing/deep drawing