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STEEL FOR ENAMELING

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In category Cold rolled steel

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CHARACTERISTICS

Cold rolled sheets made of specially killed steel are suitable for deep drawing for conventional enameling.

product forms

Coils

wide strips with a rolled width of 600mm and more, supplied in coils

Strips

cut from wide strips, width less than 600mm, supplied in coils

Sheets

sheets cut from wide strips supplied in sheets

KEY FEATURES

DC01EK, DC04EK, DC06EK

Grades according to EN 10209

KOSMALT 260, KOSMALT 240, KOSMALT 210, KOSMALT 180 IF

Grades according to TN USSK 10209

and in corresponding grades according to international (ISO) or national technical standards (DIN, JIS, ASTM, ....)
DC06EK and KOSMALT 180 IF in the conditions of U.S.STEEL Košice, s.r.o. are produced by vacuuming steel

TECHNICAL SPECIFICATION

CHEMICAL COMPOSITION 

Akosti podľa
EN 10209
TN USSK 10209 		Heat analysis in %
C Mn SiMAX PMAX S Al N CuMAX Ti NbMAX
DC06EK max. 0,02 max 0,50 - 0,020 max. 0,050 - - - max. 0,15 -
KOSMALT 180 IF max.0,005 max. 0,35 0,01 - 0,01-0,02 min. 0,020 max. 0,013 - max. 0,06 0,06
DC04EK max. 0,06 max 0,50 - 0,030 max. 0,050 - - - - -
KOSMALT 210 max. 0,06 max. 0,40 0,03 0,025 0,015 - 0,025 0,02 - 0,07 - 0,065 - -
DC01EK max. 0,07 max. 0,60 - 0,045 max. 0,050 - - - - -
KOSMALT 240 max. 0,08 max. 0,40 0,06 0,030 0,015 - 0,025 0,02 - 0,07 - 0,065 - -
KOSMALT 260 0,02 - 0,06 0,12 - 0,30 0,03 - max. 0,018 0,02 - 0,06 max. 0,010 0,065 0,03 -0,06 -

IF - Interstitial free 

MECHANICAL PROPERTIES 

Akosti podľa EN 10209:2023 TN USSK 10209:2016 Rp0,2 MAX
[MPa] 		Rm
[MPa] 		A MIN (%)
Lo = 80 mm 		r90
min. 		n90
min.
DC06EK 190 270 - 350 38 1,80 -
KOSMALT 180 IF 180 270 - 350 40 1,80 0,20
DC04EK 220 270 - 350 36 - -
KOSMALT 210 210 270 - 350 38 - -
DC01EK 270 270 - 390 30 - -
KOSMALT 240 240 270 - 390 32 - -
KOSMALT 260 min. 260 300 - 450 24 - -

DIMENSIONS OF SHEETS AND COILS

KOSMALT 180IF, DC06EK

Nominal thickness [mm] Width [mm]
750 1 075 1 250 1 500
0,50 - 0,79        
0,80 - 1,49      
1,50 - 2,00    

DIMENSIONS OF SHEETS AND COILS

DC04EK and corresponding grades

Nominal thickness [mm] Width [mm]
750 1 200 1280 1 300 1 500
0,40 - 0,45          
0,46 - 0,55        
0,56 - 0,65      
0,65 - 2,00    

DIMENSIONS OF SHEETS AND COILS

DC01EK and corresponding grades

Nominal thickness [mm] Width [mm]
750 1 150 1260 1 300 1 400 1 500
0,40 - 0,49            
0,50 - 0,59          
0,60 - 0,69      
0,70 - 0,79      
0,80 - 2,00    

Width 700 - 749 mm at thickness 0,80 - 2,00 mm is subject to prior agreement 

DIMENSIONS OF SHEETS 

Thickness [mm] Length [mm]
0,45 - 1,00 1 000 - 3 000
1,01 - 2,00 1 000 - 3 000

NOTE: above 3000mm we produce in cooperation

DIMENSIONS OF COILS AND SLIT COILS [mm] 

Thickness Inner diameter Outer diameter Coil Slit coil
Width Weight Width Weight
0,45 - 1,30 approx. 500 or 600 max. 1 800 750 - 1 050 3 - 15 kg.mm-1 of width 21 - 600 max. 15 000 kg
1,31 - 2,00 approx. 600 750 - 1 500 2 - 17 kg.mm-1 of width
THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10131, Re < 260 MPa
Nominal thickness Normal tolerances at width Reduced tolerances at width
≤­­ 1 200 > 1 200 ≤­­ 1 500 ≤ 1 200 > 1 200 ≤­­ 1 500
≤ 0,40 ± 0,03 ± 0,04 ± 0,020 ± 0,025
> 0,40 ≤ 0,60 ± 0,03 ± 0,04 ± 0,025 ± 0,030
> 0,60 ≤ 0,80 ± 0,04 ± 0,05 ± 0,030 ± 0,035
> 0,80 ≤ 1,00 ± 0,05 ± 0,06 ± 0,035 ± 0,040
> 1,00 ≤ 1,20 ± 0,06 ± 0,07 ± 0,040 ± 0,050
> 1,20 ≤ 1,60 ± 0,08 ± 0,09 ± 0,050 ± 0,060
> 1,60 ≤ 2,00 ± 0,10 ± 0,11 ± 0,060 ± 0,070

NOTE: reduced tolerances are subject to prior agreement

SHEET FLATNESS TOLERANCES IN ACCORDANCE WITH EN 10131, Re < 260 MPa
Nominal width Normal tolerances at thickness Reduced tolerances1) at thickness
< 0,70 ≥­­ 0,70 < 1,20 ≥­­ 1,20 < 0,70 ≥­­ 0,70 < 1,20 ≥­­ 1,20
≥ 600 < 1 200 10 8 7 5 4 3
≥ 1 200 < 1 500 12 10 8 6 5 4
≥ 1 500 17 15 13 8 7 6

1) reduced tolerances are subject to prior agreement

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