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STEEL FOR ATMOSPHERIC CORROSION RESISTANT

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In category Hot rolled steel

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CHARACTERISTICS

Steel are characterized by improved resistance against atmospheric corrosion. A layer of alloying elements oxides causes the improved resistance. The sheets are typically used in the building industry.

KEY FEATURES

S355J0WP, S355J2WP

Grades according to EN 10025-5
Grades are supplied in the state +AR, +N

KONOX 345HR

Grade according to TN USSK 10025-5

TECHNICAL SPECIFICATION

CHEMICAL COMPOSITION 

Grades according to
EN 10025-5 		Heat analysis in %
CMAX Mn Si P SMAX AlMIN Cr Cu NMAX CEVMAX
S355J0WP 0,12 1,0 0,75 0,06 - 0,15 0,035 - 0,30 - 1,52 0,25 - 0,55 0,012 0,52
S355J2WP 0,030 0,020 - 0,52
Grades according to
TN USSK 10025-5 		Heat analysis in %
CMAX Mn Si P SMAX AlMIN Cr Cu NiMAX
KONOX 345HR 0,12 0,20 - 0,55 0,25 - 0,55 0,07 - 0,15 0,015 0,02 0,50 - 1,20 0,25 - 0,60 0,65

MECHANICAL PROPERTIES

Grades according to
EN 10025-5 		ReH
[MPa] 		Rm [MPa] AMIN (%) KVMIN [J]
a < 3 a ≥ 3 L0 = 80 mm L0 = 5,65√S0
a ≤ 2 2 < a ≤ 2,5 2,5 < a < 3 a ≥ 3
S355J0WP 355 510 - 680 490 - 630 l 16
t 14 		l 17
t 15 		l 18
t 16 		l 22
t 20 		0˚C 27
S355J2WP -20˚C 27
Grades according to
TN USSK 10025-5 		RP0,2
[MPa] 		Rm [MPa] AMIN (%) Bend test
L0 = 80 mm L0 = 5,65√S0 α D
KONOX 345HR 345 485 20 22 180° 1a

DIMENSIONS OF SHEETS AND COILS

Thickness [mm] 1) Width [mm] 1) (data in brackets represent the widths of the sheets with trimmed edges)
780
(750) 		940
(900) 		1040
(1000) 		1140
(1100) 		1290
(1250) 		1440
(1400) 		1540
(1500)
2,00 - 2,19   3)          
2,20 - 2,49   3)        
2,50 - 2,99   3)      
3,00 - 3,49   3)    
3,50 - 3,99   3)  
4,00 - 4,99    
5,00 - 5,99 Lenght of sheets: 2 000 - 4 000 4)  
6,00 - 12,50 2) Lenght of sheets: 2 000 - 6 000 5)  

1) Basic thickness dimensions graded by 0,05 mm, width 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 grated 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 grated by 50 mm

DIMENSION OF SLIT COILS, Re ≤ 350 MPa

Thickness [mm] 1) Width of slit coil [mm] 1)
110 - 510 511 - 580 551 - 580
2,00 2) - 2,09      
2,10 - 2,29

 

    
2,30 - 2,49

 

    
2,50 - 2,99    
3,00 - 3,59  
3,60 - 6,00  
6,01 - 8,00      

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

DIMENSION OF SLIT COILS, Re > 350 MPa

Thickness [mm] 1) Width of slit coil [mm] 1)
110 - 510 511 - 580
2,00 2) - 2,99    
3,00 - 4,00  
4,01 - 7,00    

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

THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10051 AND U. S. STEEL KOŠICE, S.R.O.
Nominal thickness [mm] Thickness tolerances at nominal widths [mm]
≤ 1200 1200 ≤ 1500 > 1500 ≤ 18001)
EN U. S. Steel Košice EN U. S. Steel Košice EN U. S. Steel Košice

≤ 2,00

± 0,20 ± 0,09 ± 0,22 ± 0,112) ± 0,24 ± 0,112)
> 2,00 ≤ 2,50 ± 0,21 ± 0,102) ± 0,24 ± 0,112) ± 0,25 ± 0,112)
> 2,50 ≤ 3,00 ± 0,23 ± 0,10 ± 0,25 ± 0,12 ± 0,28 ± 0,12
> 3,00 ≤ 4,00 ± 0,25 ± 0,122) ± 0,28 ± 0,14 ± 0,30 ± 0,14
> 4,00 ≤ 5,00 ± 0,28 ± 0,132) ± 0,30 ± 0,13 ± 0,32 ± 0,13
> 5,00 ≤ 6,00 ± 0,30 ± 0,142) ± 0,32 ± 0,15 ± 0,33 ± 0,15
> 6,00 ≤ 8,00 ± 0,33 ± 0,142) ± 0,35 ± 0,14 ± 0,36 ± 0,14
> 8,00 ≤ 10,00 ± 0,37 ± 0,152) ± 0,38 ± 0,16 ± 0,39 ± 0,16
> 10,00 ≤ 12,50 ± 0,40 ± 0,172) ± 0,41 ± 0,182) ± 0,43 ± 0,182)
> 12,50 ≤ 12,70 ± 0,43 ± 0,172) ± 0,44 ± 0,182) ± 0,46 ± 0,182)

1) Maximum width of U. S. Steel Košice´s hot rolled products is 1540 mm.
2) Calculated by linear regression for shortage of rolled material - acceptance by trial delivery. 

SHEET FLATNESS TOLERANCES IN ACCORDANCE WITH EN 10051
Nominal width
w 		Nominal thickness
t

Category B
300 MPa < Re ≤ 360 MPa

Measuring length 1000 mm

w ≤ 1200

t ≤ 2,00 18
2,00 < t ≤ 5,00 15

5,00 < t ≤ 12,7 0

13
1200 < w ≤ 1500 t ≤ 1200 21
2,00 < t ≤ 5,00 18
5,00 < t ≤ 12,70 16
w > 1500 t ≤ 1200 26
2,00 < t ≤ 5,00 22
5,00 < t ≤ 12,70 19

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General delivery terms and conditions

Declaration of conformity

Transport & Storage recommendations

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WE PRODUCE FOR SUSTAINABILITY

All processes in society are subject to interest in sustainability in the field of environmental, social and company management. So our steels bear a sign of sustainability.

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