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STEEL FOR ENAMELING
           

 

 

Applications


Steel is suitable for both side enameling. Hot rolled steel sheets are characterized with good bendability and are suitable for cold stamping. These steel sheets are suitable for various constructions.


Grades

The hot rolled products are classified into quality grades according to chemical composition and mechanic properties.

TECHNICAL SPECIFICATION

CHEMICAL COMPOSITION

Grades according to
U. S. Steel Košice
Heat analysis %
C MnMAX SiMAX PMAX SMAX Al NMAX Ti
KOSMALT E 240 T max. 0,07 0,30 0,06 0,020 0,020 0,02 - 0,07 0,010 0,03 - 0,08
KOSMALT E 300 T 0,03 - 0,07 0,30 0,06 0,020 0,020 0,02 - 0,07 0,010 0,06 - 0,12

MECHANICAL PROPERTIES

Grades according to
U. S. Steel Košice
Re [MPa] Rm [MPa] A MIN (%) Angle of bend
180°
Thickness
[mm]
L0 = 80 mm L = 5,65√S0
a < 3 3 ≤­­ a
KOSMALT E 240 T min. 240 max. 400 30 32 0.a 1,80 - 12,50
KOSMALT E 300 T 300 - 450 350 - 550 25 28 0.a 2,50 - 8,00

DIMENSIONS OF SHEETS AND COILS  [mm]                                                                                                                  Re < 280 MPa

Nominal thickness 1) Sheet width 1)
  750 900 1000 1100 1250 1400 1500
1,80 - 1,99     3)          
2,00 - 2,19      Length of sheets: 2 000 - 4 000 mm 4) 3)        
2,20 - 2,49      Inner coil diameter: 850 (+50; -20) mm 3)      
2,50 - 2,99      Inner pickled coil diameter: 600, 850   3)    
3,00 - 3,49      Outercoil diameter: 1850 mm 3)  
3,50 - 3,99      Coil weight: 5,0 - 15,1 kg.mm-1 of width  
4,00 - 4,99        
5,00 - 5,99      Lenght  of sheets: 2 000 - 6 000 5)  
6,00 - 12,50 2)    
    780 940 1040 1140 1290 1440 1540
Coil width 1)

1)  Basic thickness dimensions graded by 0,05 mm, eidth by 5,00 mm
2)  Max. thickness 12,70 mm on agreement, other dimensions are subject to
     prior agreement
3)  Without guarantee of flatness

4)  On agreement sheets are delivered up to lenght of 6 000 mm; lenghts above
     4 000 mm without flatness guarantee. Lenghth is graded by 50 mm
5)  On agreement sheets are delivered up to length of 12 000 mm; lengths above
     6 000 mm without flatness guarantee. Length is graded by 50 mm

DIMENSIONS OF SHEETS AND COILS [mm]                                                                                                             Re 280 - 360 MPa

Nominal thickness 1) Sheet width 1)
  750 900 1000 1100 1250 1400 1500
2,00 - 2,19      Length of sheets: 2 000 - 4 000 4) mm          
2,20 - 2,49      Inner coil diameter: 850 (+50; -20) mm 3)        
2,50 - 2,99      Inner pickled coil diameter: 600, 850   3)      
3,00 - 3,49      Outercoil diameter: 1850 mm           3)    
3,50 - 3,99      Coil weight: 5,0 - 15,1 kg.mm-1 of width 3)  
4,00 - 4,99        
5,00 - 5,99      Lenght  of sheets: 2 000 - 6 000 5)  
6,00 - 12,50 2)    
    780 940 1040 1140 1290 1440 1540
Coil width 1)

1)  Basic thickness dimensions graded by 0,05 mm, eidth by 5,00 mm
2)  Max. thickness 12,70 mm on agreement, other dimensions are subject to
     prior agreement
3)  Without guarantee of flatness

4)  On agreement sheets are delivered up to lenght of 6 000 mm; lenghts above
     4 000 mm without flatness guarantee. Lenghth is graded by 50 mm
5)  On agreement sheets are delivered up to length of 12 000 mm; lengths above
     6 000 mm without flatness guarantee. Length is graded by 50 mm

DIMENSION OF SLIT COILS [mm]                                                                                                                                     Re < 360 MPa

Nominal thickness 1) Width of slit coil 1)
110 - 510 511 - 550 551 - 580
2,00 2) - 2,09      
2,10 - 2,29      
2,30 - 2,49      
2,50 - 2,99     Inner coil diameter: 600, 712, 760, 850 mm (+50, -20)  
3,00 - 3,59     Outer coil diameter: 1850 mm
3,60 - 6,00     Coil weight: 5,0 - 15,1 kg.mm-1 of coil width
6,01 - 8,00      

1) Basic grading of thickness by 0,05 mm, width by 5 mm                                                                            Other dimensions are subject to prior agreement
2) Subject to prior agreement

THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10051/10 AND U. S. Steel Košice, s.r.o.                     Re  300 MPa

Nominal thickness
[mm]  
Thickness tolerances at nominal widths [mm]

≤ 1200

1200 ≤ 1500 > 1500 ≤  1800 1)
EN U. S. Steel Košice EN U. S. Steel Košice EN U. S. Steel Košice

 2,00

± 0,17 ± 0,15 - - - -
> 2,00 ≤ 2,50 ± 0,18 ± 0,15 ± 0,21 ± 0,17 ± 0,23 ± 0,17
> 2,50 ≤ 3,00 ± 0,20 ± 0,15 ± 0,22 ± 0,17 ± 0,24 ± 0,17
> 3,00 ≤ 4,00 ± 0,22 ± 0,18 ± 0,24 ± 0,21 ± 0,26 ± 0,21
> 4,00 ≤ 5,00 ± 0,24 ± 0,18 ± 0,26 ± 0,21 ± 0,28 ± 0,21
> 5,00 ≤ 6,00 ± 0,26 ± 0,19 ± 0,28 ± 0,21 ± 0,29 ± 0,21
> 6,00 ≤ 8,00 ± 0,29 ± 0,21 ± 0,30 ± 0,24 ± 0,31 ± 0,24
> 8,00 ≤ 10,00 ± 0,32 ± 0,21 ± 0,33 ± 0,24 ± 0,34 ± 0,24
> 10,00 ≤ 12,50 ± 0,35 ± 0,21 ± 0,36 ± 0,24 ± 0,37 ± 0,24
> 12,00 ≤ 12,70 ± 0,37 ± 0,21 ± 0,38 ± 0,24 ± 0,40 ± 0,24

THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10051/10 AND U. S. Steel Košice, s.r.o.  300 MPa < Re  360 MPa

Nominal thickness
[mm]  
Thickness tolerances at nominal widths [mm]

≤ 1200

1200 ≤ 1500 > 1500 ≤  1800 1)
EN U. S. Steel Košice EN U. S. Steel Košice EN U. S. Steel Košice

 2,00

± 0,20 ± 0,17 - - - -
> 2,00 ≤ 2,50 ± 0,21 ± 0,18 ± 0,24 ± 0,19 ± 0,26 ± 0,19
> 2,50 ≤ 3,00 ± 0,23 ± 0,19 ± 0,25 ± 0,21 ± 0,28 ± 0,21
> 3,00 ≤ 4,00 ± 0,25 ± 0,21 ± 0,28 ± 0,23 ± 0,30 ± 0,23
> 4,00 ≤ 5,00 ± 0,28 ± 0,22 ± 0,30 ± 0,24 ± 0,32 ± 0,24
> 5,00 ≤ 6,00 ± 0,30 ± 0,24 ± 0,32 ± 0,27 ± 0,33 ± 0,27
> 6,00 ≤ 8,00 ± 0,33 ± 0,27 ± 0,35 ± 0,29 ± 0,36 ± 0,29
> 8,00 ≤ 10,00 ± 0,37 ± 0,29 ± 0,38 ± 0,32 ± 0,39 ± 0,32
> 10,00 ≤ 12,50 ± 0,40 ± 0,31 ± 0,41 ± 0,34 ± 0,43 ± 0,34
> 12,00 ≤ 12,70 ± 0,43 ± 0,31 ± 0,44 ± 0,34 ± 0,46 ± 0,34

1) Maximum width of U. S. Steel Košice´s hot rolled products is 1540 mm.

SHEET FLATNESS TOLERANCES 2) IN ACCORDANCE WITH EN 10051/10                                                                     Re  300 MPa

Nominal thickness
[mm]
Normal sheet flatness tolerances depending on width [mm]
< 1200 1200 - 1500  > 1500 1)
 2,00 18 20 25
> 2,00 12,70 15 18 23

1) Maximum width of U. S. Steel Košice´s hot rolled products is 1 540 mm.
2) Coil flatness tolerances are subject to prior agreement.

  For Re 300 MPa is proportionally higher - please, see EN 10051/10

 

SURFACE TREATMENT

  • mill finished - sheets, coils, slit coils
  • pickled - sheets, coils, slit coils (oiled), thickness up to 4,5 mm, thicker sheets are subject to prior agreement ​
    Technical delivery regulations and dimensions: TN USSK 42 0118/11

HEAT TREATMENT

WELDABILITY

  • thermomechanical rolling

EDGES

  • mill edge - mill finished coils (sheets and pickled coils - subject to inquiry)
  • trimmed - sheets, pickled coils (mill finished coils - subject to inquiry)
  • steels are suitable for welding with standard techniques

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Logistics information

 

We offer flexible product delivery with multiple options for packaging and methods of transportation.

 

Shipping

The final products are shipped to customers via truck, railway, ships or transportation directly from our covered storage yard.

                

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COMMERCIAL TEAM

MIROSLAV MAĎAR

Director Sales
Slovakia

 

+421 556 739 307
+421 903 656 284

mmadarsk.uss.com

DOVDON TUGSBAYAR

Managing Director
U. S. Steel Bohemia - a.s. 

(Czech)

+420 226 201 550
+420 777 0022 40

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MILAN MALÍK

Director Sales
Poland

 

+421 556 734 654
+421 903 627 471

mmaliksk.uss.com

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Director Sales
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+421 556 734 538
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ddzurovcinsk.uss.com

VIKTOR UDODIK

Director Sales East & South Europe, Scandinavia & Export

+421 556 734 279
+421 903 656 981

 vudodiksk.uss.com

 

 

ROBERT KRAMER

Sales Office Europe
U. S. Steel
Germany GmbH.

+49 211 447292 12
 

rkramersk.uss.com

 

FREDERIC SZTOR

Sales Office Europe
U. S. Steel
France S.A.

+33 3 8768 1145
 

fsztorsk.uss.com

ALBERTO MAROSTICA

Regional Sales Director
U. S. Steel Italy S.r.l.

+39 02 365 77430
+39 347 149 5620

amarosticask.uss.com

POSTAL ADDRESS:
 

U. S. Steel Košice, s.r.o.
Vstupný areál U. S. Steel
044 54 Košice
Slovak Republic

Phone.: +421 55 673 1111
Fax: +421 55 673 1110

 

BILLING INFORMATION:
 

ID No.: 36 199 222
VAT ID: SK7020000119

Commercial Register: District Court Kosice I, Sec.: Sro, File No.: 11711/V

VISITING US:

 

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GPS coordinates:
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You can also visit the website of our parent company United States Steel Corporation.