steel sheets & coils for automotives characteristics high quality products manufactured by the...
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![Page 1: steel sheets & coils for AUTOMOTIVES Characteristics High quality products manufactured by the computer integrated system at Asan Bay Works Uniform thickness,](https://reader035.vdocument.in/reader035/viewer/2022062516/56649db35503460f94aa4087/html5/thumbnails/1.jpg)
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steel sheets & coils for
AUTOMOTIVES
Characteristics
• High quality products manufactured by the
computer integrated system at Asan Bay Works
• Uniform thickness, wider width, and hardness
and tensile strength
• Smooth surface, and uniform flatness
• Superior workability
Cold Rolled Steel
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steel sheets & coils for
AUTOMOTIVES
Application
Cold Rolled Steel
• Cold rolled steel that Dongbu Steel provides is theoptimal product for using in automobile parts as roofs,fenders, hoods, panels, oil fans, etc.
Fender Trunk lid Outer
Floor Fuel TankMembers
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steel sheets & coils for
AUTOMOTIVES
Mechanical Properties
Cold Rolled Steel
47and under36 44∼
28and over
36 42∼and over
28and overDeep Drawing Quality
Hardness(HrB)
ELmin.(%)
T.S(kg/mm2)
Hardness(HrB)
ELmin.(%)
T.S(kg/mm2)
49and under3428
and over34 40∼
and over28
and overDrawing Quality
47and under
50and under
28and over
28and over
Dongbu
36 42∼and over
32 38∼and over
Non-Aging DDQ
Commercial Quality
Class
43 47∼28
and over
32 38∼28and over
Standard Specification
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steel sheets & coils for
AUTOMOTIVES
30and over
40and over
30and over
40and over40kg/E
34and over
35and over
34and over
35and over35kg/E
DDQ
30and over
40and over
30and over
40and over40kg/R
34and over
35and over
34and over
35and over35kg/R
DQ
High-Strength
Hardness(HrB)
ELmin.(%)
T.S(kg/mm2)
Hardness(HrB)
ELmin.(%)
T.S(kg/mm2)
DongbuStandard SpecificationClass
※ Specifications of high tensile strength steel shall be subject to agreement between manufacturer and purchaser.
Mechanical Properties
Cold Rolled Steel
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steel sheets & coils for
AUTOMOTIVES
Mechanical Properties
Cold Rolled Steel
• Specification
KSD 3512 JIS G3141 ASTM EN 10130 DIN 1623
SPCC SPCC A 366 Fe P01 -
SPCD SPCD A 619 Fe P03 St 12
SPCE SPCE A 620 Fe P04 St 13
SPCEN SPCEN A 620 Fe P04 St 14
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steel sheets & coils for
AUTOMOTIVES
Size Availability
Cold Rolled Steel
Thickness
Width
CQ DQ DDQ High-strength
0.15 3.2∼ 0.25 2.0∼ 0.5 2.0∼ 0.6 1.6∼ 700 1,600∼
(mm)
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steel sheets & coils for
AUTOMOTIVES
Characteristics
Galvanized Products [Galvanized & Galvannealed]
• Specialty products manufactured by computer integrated system
• Excellent flatness achieved by using PLTCM’sbase metal
• Excellent adhesion of Fe-Zn coating
• Induction heating GA furnace- Uniform iron contents on the alloyed surface
- Improvement of powdering resistance
→ Excellent corrosion resistance, weldability, and paintability
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steel sheets & coils for
AUTOMOTIVES
Application
Galvanized Products [Galvanized & Galvannealed]
Automotive Engine Heat protector
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steel sheets & coils for
AUTOMOTIVES
Mechanical Properties
Galvanized Products [Galvanized & Galvannealed]
60 68∼
56 64∼
38 48∼
38 48∼
40 50∼
55 65∼
Hardness(HrB)
43 48∼15 18∼28 32∼min 43max 18min 28Deep Drawing
Quality
36 42∼20 24∼35 38∼min 36min 20min 3535kg/RHigh-
Strength
EL(%)
Y.P(kg/mm2)
T.S(kg/mm2)
EL(%)
Y.P(kg/mm2)
T.S(kg/mm2)
41 46∼18 22∼28 34∼min 41max 22min 28Drawing Quality
34 40∼
45 50∼
34 42∼
40 44∼
28 32∼
36 42∼
Dongbu
min 23
max 17
-
40kg/R
Non-Aging DDQ
Commercial Quality
Class
23 27∼min 30min 40
13 17∼min 45min 28
26 32∼--
Standard Specification
※ Specifications of high tensile strength steel shall be subject to agreement between manufacturer and purchaser.
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steel sheets & coils for
AUTOMOTIVES
Mechanical Properties
• Specification
KSD 3506 JIS G3302 ASTM BS 2989 DIN 17162
SGCC SGCC A 526 Z1 St 01z
SGCD 2 SGCD 2 A 526-L Z3 St 03z
SGCD 3 SGCD 3 A 528 Z4 St 04z
SGCN SGCD3N A 653-97 Z5 St 05z
Galvanized Products [Galvanized & Galvannealed]
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steel sheets & coils for
AUTOMOTIVES
Size availability
CQ
DQ / DDQ / EDDQ
※ Please contact our representative for more information on 2.3mm thickness of galvanized steel sheets.
Galvanized Products [Galvanized & Galvannealed]
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steel sheets & coils for
AUTOMOTIVES
Characteristics
ALCOT [Hot-Dip Aluminium Coated Steel]
• Excellent heat resistanceSurface appearance after heat treatment
ALCOT GALVANIZED STEEL COLD ROLLED STEEL
※ Test Condition : At 450℃×24Hours In Air
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steel sheets & coils for
AUTOMOTIVES
Characteristics
• Corrosion resistanceCorrosion rate with PH changes in solution
※ The corrosion resistance of ALCOT is excellent due to the coating characteristics to form a thin stable aluminum oxide layer.
ALCOT [Hot-Dip Aluminium Coated Steel]
![Page 15: steel sheets & coils for AUTOMOTIVES Characteristics High quality products manufactured by the computer integrated system at Asan Bay Works Uniform thickness,](https://reader035.vdocument.in/reader035/viewer/2022062516/56649db35503460f94aa4087/html5/thumbnails/15.jpg)
steel sheets & coils for
AUTOMOTIVES
Application
ALCOT [Hot-Dip Aluminium Coated Steel]
Automotive Exhaust system
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steel sheets & coils for
AUTOMOTIVES
Mechanical Properties
※ Specifications of high tensile strength steel shall be subject to agreement between manufacturer and purchaser.
DQ2
DQ1 34 38∼26 max2834 38∼26 max28
38 42∼21 max2838 42∼21 max28DQ3
DrawingQuality
ELmin.(%)
Y.P
(kg/mm2)
T.Smin.
(kg/mm2)
ELmin.(%)
Y.P
(kg/mm2)
T.Smin.
(kg/mm2)
40 44∼
36 40∼
-
26
28
28
Dongbu
19 max
24 max
21 min
EDDQ
Commercial Quality
Class
19 max40 44∼26
24 max36 40∼28
21 min-28
Standard Specification
ALCOT [Hot-Dip Aluminium Coated Steel]
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steel sheets & coils for
AUTOMOTIVES
• Specification
KSD 3544 JIS G3314 ASTM A 463 ASTM A 463-96a EN 10154
SA1C SA1C CQ CS Type A,B,C DX 51D,52D
SA1A SA1A ADQ - DX53D
SA1D SA1D DQ FS, DDS DX54D,55D
SA1E SA1E DQSK - -
• Scope of Manufacturing Field
Thickness(mm) Width(mm) Coating Weight(g/m2) Post-treatment
0.4 2.3∼ 600 1,350∼ 40 160∼ Chromated, Oiled, No treatment
ALCOT [Hot-Dip Aluminium Coated Steel]