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STEEL FOR WELDED PIPES

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In category Hot rolled steel

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product forms

Coils

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

Strips

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

Sheets

sheets cut from wide strips supplied in sheets

KEY FEATURES

LEVEL PSL1

L245, L290, L320, L360, L390, L415, L450, L485 a/alebo B, X42, X46, X52, X56, X60, X65, X70

LEVEL PSL2

L245M, L290M, L320M, L360M, L390M, L415M, L450M, L485M a/alebo BM, X42M, X46M, X52M, X56M, X60M, X65M, X70M

L245N, L290N, L320N, L360N, L390N, L415N a/alebo BN, X42N, X46N, X52N, X56N, X60N

Grades according to ISO 3183 a/alebo API Spec 5L

L245ME, L290ME, L360ME, L415ME, L450ME, L485ME

L245NE, L290NE, L360NE

Grades in the level PSL2 according to ISO 3183 Attachment A

P195TR1, P195TR2, P235TR1, P235TR2, P265TR1, P265TR2

Grades according to EN 10217-1

P355N, P355NH

Grades according to
EN 10217

P235GH, P265GH

Grades according to
EN 10217-5

L235, L275, L355

Grades according to
EN 10224

S235JRH, S275J0H, S275J2H, S355J0H, S355J2H

Grades according to
EN 10219-1

TECHNICAL SPECIFICATION

CHEMICAL COMPOSITION FOR PIPES PSL1

ISO 3183
resp.
API Spec 5L 		Heat analysis in % 1)
C max. Mn max. P max. S max. V max. Nb max. Ti max.
L245 or B 0,26 1,20 0,030 0,030 2) 3) 2) 3) 3)
L290 or X42 0,26 1,30 0,030 0,030 3) 3) 3)
L320 or X46 0,26 1,40 0,030 0,030 3) 3) 3) 
L360 or X52 0,26 1,40 0,030 0,030 3) 3) 3)
L390 or X56 0,26 1,40 0,030 0,030 3) 3) 3)
L415 or X60 0,26 1,40 0,030 0,030 3) 3) 3)
L450 or X65 0,26 1,45 0,030 0,030 3) 3) 3)
L485 or X70 0,26 1,65 0,030 0,030 3) 3) 3)

1) Cu max.0,50 %; Ni max. 0,50 %; Cr max. 0,50 %; Mo max. 0,15 %
2) Unless otherwise agreed: Nb+V max. 0,06 %
3) Nb+V+Ti max. 0,15 %

MECHANICAL PROPERTIES FOR PIPES PSL1 

ISO 3183
resp.
API Spec 5L 		Rt 0,5 [MPa] min. Rm [MPa] min. Af [%] min.
L245 or B 245 415 1)
L290 or X42 290 415 1)
L320 or X46 320 435 1)
L360 or X52 360 460 1)
L390 or X56 390 490 1)
L415 or X60 415 520 1)
L450 or X65 450 535 1)
L485 or X70 485 570 1)

1) The specified minimum Af extension, expressed as a percentage and rounded to the nearest percentage, is to be determined using the following equation
Af = C.(Axc0,2/U0,9)

CHEMICAL COMPOSITION FOR PIPES PSL2 

ISO 3183
resp.
API Spec 5L 		Heat analysis in % max Carbon equivalent (% max.)
C Si Mn P S V Nb Ti Iné CEllw
C > 0,12 		CEPcm
C ≤ 0,12
L245N or BN 0,24 0,40 1,20 0,025 0​​​​​​​,015 1) 1​​​​​​​) 0,04 3) 0,43 0,25
L290N or X42N 0​​​​​​​,24 0​​​​​​​,40 1,20 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 0,06 0,05 0​​​​​​​,04 3​​​​​​​) 0​​​​​​​,43 0,25
L320N or X46N 0​​​​​​​,24 0​​​​​​​,40 1,40 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 0,07 0​​​​​​​,05 0​​​​​​​,04 2, 3) 0​​​​​​​,43 0,25
L360N or X52N 0​​​​​​​,24 0​​​​​​​,45 1​​​​​​​,40 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 0,10 0​​​​​​​,05 0​​​​​​​,04 2, 3) 0​​​​​​​,43 0,25
L390N or X56N 0​​​​​​​,24 0​​​​​​​,4​​​​​​​5 1​​​​​​​,40 0​​​​​​​,025  0​​​​​​​,0​​​​​​​15 0,10 0​​​​​​​,05 0​​​​​​​,04 2, 3) 0​​​​​​​,43 0,25
L415N or X60N 0​​​​​​​,24 0​​​​​​​,4​​​​​​​5 1​​​​​​​,40 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 0​​​​​​​,10 0​​​​​​​,05  0​​​​​​​,04 2, 4) by agreement
L245M or BM 0,22 0​​​​​​​,4​​​​​​​5 1,20 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 0​​​​​​​,05 0​​​​​​​,05 0​​​​​​​,04 3​​​​​​​) 0​​​​​​​,43 0,25
L290M or X42M 0​​​​​​​,22 0​​​​​​​,4​​​​​​​5 1,30 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 0​​​​​​​,05 0​​​​​​​,05 0​​​​​​​,04 3​​​​​​​) 0​​​​​​​,43 0,25
L320M or X46M 0​​​​​​​,22 0​​​​​​​,4​​​​​​​5 1,30 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 0​​​​​​​,05 0​​​​​​​,05 0​​​​​​​,04 3​​​​​​​) 0​​​​​​​,43 0,25
L360M or X52M 0​​​​​​​,22 0​​​​​​​,4​​​​​​​5 1​​​​​​​,40 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 2) 2​​​​​​​) 2​​​​​​​) 3​​​​​​​) 0​​​​​​​,43 0,25
L390M or X56M 0​​​​​​​,22 0​​​​​​​,4​​​​​​​5 1​​​​​​​,40 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 2​​​​​​​) 2​​​​​​​) 2​​​​​​​)  3​​​​​​​) 0​​​​​​​,43 0,25 
L415M or X60M 0​​​​​​​,22 0​​​​​​​,4​​​​​​​5 1,60 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 2​​​​​​​) 2​​​​​​​) 2​​​​​​​) 4​​​​​​​) 0​​​​​​​,43 0,25
L450M or X65M 0​​​​​​​,22 0​​​​​​​,4​​​​​​​5 1,60 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 2​​​​​​​) 2​​​​​​​) 2​​​​​​​) 4​​​​​​​) 0​​​​​​​,43 0,25
L485M or X70M 0​​​​​​​,22 0​​​​​​​,4​​​​​​​5 1,70 0​​​​​​​,025 0​​​​​​​,0​​​​​​​15 2​​​​​​​) 2​​​​​​​) 2​​​​​​​) 4​​​​​​​) 0​​​​​​​,43 0,25

1) Nb+V max. 0,06 %
2) Nb+V+Ti max. 0,15 %
3) Cu max. 0,50 %, Ni max. 0,30 %, Cr max. 0,30 %, Mo max. 0,15 %
4) Cu max. 0,50 %, Ni max. 0,50 %, Cr max. 0,50 %, Mo max. 0,50 %

MECHANICAL PROPERTIES FOR PIPES PSL2 

ISO 3183
resp.
API Spec 5L 		Rt 0,5 [MPa] Rm [MPa] Rt 0,5 / Rm
max. 		Af [%] min. KV [J] min. DWT [%] min.
min. max. min. max.
L245M (N) or BM (N) 245 450 415 655 0,93 1) 0 °C 40 0°C 85
L290M (N) or X42M (N) 290 495 415 655 0,93 1) 0 °C 40 0°C 85
L320M (N) or X46M (N) 320 525 435 655 0,93 1) 0°C 40 0°C 85
L360M (N) or X52M (N) 360 530 460 760 0,93 1) 0°C 40 0°C 85
L390M (N) or X56M (N) 390 545 490 760 0,93  1) 0°C 40 0°C 85
L415M (N) or X60M (N) 415 565 520 760 0,93 1) 0°C 40 0°C 85
L450M or X65M 450 600 535 760 0,93 1) 0°C 54 0°C 85
L485M or X70M 485 635 570 760 0,93 1) 0°C 68 0°C 85

1) The specified minimum Af extension, expressed as a percentage and rounded to the nearest percentage, is to be determined using the following equation
Af = C.(Axc0,2/U0,9)

DIMENSIONS OF SHEETS AND COILS, grades with nominal value Re ≤ 280 MPa

Thickness [mm] 1) Width [mm] 1)  (data in brackets represent the widths of the sheets with trimmed edges)
coils  780
sheets  (750) 		940
(910) 		1 040
(1 010) 		1 140
(1 110) 		1 290
(1 260) 		1 440
(1 410) 		1 547
(1 517)
2,00 - 2,19 2)      
2,20 - 2,49   2)    
2,50 - 2,99   2)  
3,00 - 3,49   2)
3,50 - 4,99 Length of sheets: 2 000 - 4 000 4) 3)
5,00 - 12,70 Length of sheets: 2 000 - 6 000 5) 3)

1) Basic thickness dimensions graded by 0,01 mm, width by 0,1 mm
2) Without guarantee of flatness
3) Width over 1 500 mm without guarantee of flatness
Other dimensions are subject to prior agreement

4) On agreement sheets are delivered up to length of 6 000 mm; lengths above 4 000 mm without flatness guarantee. Length is graded by 1 mm
5) On agreement sheets are delivered up to length of 12 100 mm; lengths above 6 000 mm without flatness guarantee. Length is graded by 1 mm

DIMENSIONS OF SHEETS AND COILS, grades with nominal value 280 MPa < Re ≤ 360 MPa

Thickness [mm] 1) Width [mm] 1)  (data in brackets represent the widths of the sheets with trimmed edges)
coils  780
sheets  (750) 		940
(910) 		1 040
(1 010) 		1 140
(1 110) 		1 290
(1 260) 		1 440
(1 410) 		1 547
(1 517)
2,00 - 2,19        
2,20 - 2,49   2)      
2,50 - 2,99   2)    
3,00 - 3,49   2)  
3,50 - 3,99   2)
4,00 - 4,99 Length of sheets: 2 000 - 4 000 4) 3)
5,00 - 12,70 Length of sheets: 2 000 - 6 000 5) 3)

1) Basic thickness dimensions graded by 0,01 mm, width by 0,1 mm
2) Without guarantee of flatness
3) Width over 1 500 mm without guarantee of flatness
Other dimensions are subject to prior agreement

4) On agreement sheets are delivered up to length of 6 000 mm; lengths above 4 000 mm without flatness guarantee. Length is graded by 1 mm
5) On agreement sheets are delivered up to length of 12 100 mm; lengths above 6 000 mm without flatness guarantee. Length is graded by 1 mm

DIMENSIONS OF SHEETS AND COILS, grades with nominal value 360 MPa < Re ≤ 460 MPa

Thickness [mm] 1) Width [mm] 1)  (data in brackets represent the widths of the sheets with trimmed edges)
coils  780
sheets  (750) 		940
(910) 		1 040
(1 010) 		1 140
(1 110) 		1 290
(1 260) 		1 340
(1 310) 		1 440
(1 410) 		1 547
(1 517)
2,20 - 2,49          
2,50 - 2,99   2)      
3,00 - 3,49   2)    
3,50 - 3,99      
4,00 - 4,49    
4,50 - 4,99 Length of sheets: 2 000 - 4 000 4) 3)
5,00 - 12,70 Length of sheets: 2 000 - 6 000 5) 3)

1) Basic thickness dimensions graded by 0,01 mm, width by 0,1 mm
2) Without guarantee of flatness
3) Width over 1 500 mm without guarantee of flatness
Other dimensions are subject to prior agreement

4) On agreement sheets are delivered up to length of 6 000 mm; lengths above 4 000 mm without flatness guarantee. Length is graded by 1 mm
5) On agreement sheets are delivered up to length of 12 100 mm; lengths above 6 000 mm without flatness guarantee. Length is graded by 1 mm

DIMENSIONS OF SHEETS AND COILS, grades with nominal value 460 MPa < Re ≤ 550 MPa

Thickness [mm] 1) Width [mm] 1)  (data in brackets represent the widths of the sheets with trimmed edges)
coils  780
sheets  (750) 		940
(910) 		1 040
(1 010) 		1 140
(1 110) 		1 290
(1 260) 		1 340
(1 310) 		1 440
(1 410) 		1 547
(1 517)
3,00 - 3,49          
3,50 - 3,99      
4,00 - 4,49    
4,50 - 4,99 Length of sheets: 2 000 - 4 000 3) 2)
5,00 - 12,70 Length of sheets: 2 000 - 6 000 4) 2)

1) Basic thickness dimensions graded by 0,01 mm, width by 0,1 mm
2) Width over 1 500 mm without guarantee of flatness
Other dimensions are subject to prior agreement

3) On agreement sheets are delivered up to length of 6 000 mm; lengths above 4 000 mm without flatness guarantee. Length is graded by 1 mm
4) On agreement sheets are delivered up to length of 12 100 mm; lengths above 6 000 mm without flatness guarantee. Length is graded by 1 mm

DIMENSIONS OF SHEETS AND COILS, grades with nominal value 550 MPa < Re ≤ 700 MPa

Thickness [mm] 1) Width [mm] 1)  (data in brackets represent the widths of the sheets with trimmed edges)
coils  780
sheets  (750) 		940
(910) 		1 040
(1 010) 		1 140
(1 110) 		1 290
(1 260) 		1 340
(1 310) 		1 440
(1 410) 		1 547
(1 517)
4,00 - 4,49          
4,50 - 4,99 Length of sheets: 2 000 - 4 000 3)        
5,00 - 12,70 Length of sheets: 2 000 - 6 000 4) 2)

1) Basic thickness dimensions graded by 0,01 mm, width by 0,1 mm
2) Width over 1 500 mm without guarantee of flatness
Other dimensions are subject to prior agreement

3) On agreement sheets are delivered up to length of 6 000 mm; lengths above 4 000 mm without flatness guarantee. Length is graded by 1 mm
4) On agreement sheets are delivered up to length of 12 100 mm; lengths above 6 000 mm without flatness guarantee. Length is graded by 1 mm

DIMENSION OF SLIT COILS, grades with nominal value Re ≤ 360 MPa

Thickness [mm] 1) Width [mm] 1)
110 - 510 511 - 550 551 - 580
2,00 2) - 2,49      
2,50 - 2,99    
3,00 - 6,00  
6,01 - 8,00      

1) Basic thickness dimensions graded by 0,01 mm, width by 0,1 mm
2) Subject to prior agreement
Other dimensions are subject to prior agreement

DIMENSION OF SLIT COILS, grades with nominal value 360 MPa < Re ≤ 500 MPa

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

1) Basic thickness dimensions graded by 0,01 mm, width by 0,1 mm
2) Subject to prior agreement
Other dimensions are subject to prior agreement

THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10051 Re ≤ 300 MPa (Class A)
Nominal thickness
[mm]  		Thickness tolerances at nominal widths [mm]

≤ 1 200

>  1 200 ≤ 1 500 > 1 500 ≤ 1 800 1)

≤ 2,00

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

1) Maximum width of U. S. Steel Košice´s hot rolled products is 1 540 mm. 

THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10051 300 MPa < Re ≤ 360 MPa (Class B)
Nominal thickness
[mm] 		Thickness tolerances at nominal widths [mm]

≤ 1 200

> 1 200 ≤ 1 500 > 1 500 ≤ 1 800 1)

≤ 2,00

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

1) Maximum width of U. S. Steel Košice´s hot rolled products is 1 540 mm.

THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10051 360 MPa < Re ≤ 420 MPa (Class C)
Nominal thickness
[mm] 		Thickness tolerances at nominal widths [mm]

≤ 1 200

> 1 200 ≤ 1 500 > 1 500 ≤ 1 800 1)

≤ 2,00

± 0,22 ± 0,25 ± 0,27
> 2,00 ≤ 2,50 ± 0,23 ± 0,27 ± 0,30
> 2,50 ≤ 3,00 ± 0,26 ± 0,29 ± 0,31
> 3,00 ≤ 4,00 ± 0,29 ± 0,31 ± 0,34
> 4,00 ≤ 5,00 ± 0,31 ± 0,34 ± 0,36
> 5,00 ≤ 6,00 ± 0,34 ± 0,36 ± 0,38
> 6,00 ≤ 8,00 ± 0,38 ± 0,39 ± 0,40
> 8,00 ≤  10,00 ± 0,42 ± 0,43 ± 0,44
> 10,00 ≤ 12,50 ± 0,46 ± 0,47 ± 0,48
> 12,50 ≤ 12,70 ± 0,48 ± 0,49 ± 0,52

1) Maximum width of U. S. Steel Košice´s hot rolled products is 1 540 mm.

THICKNESS TOLERANCES IN ACCORDANCE WITH EN 10051 420 MPa < Re ≤ 960 MPa (Class D)
Nominal thickness
[mm] 		Thickness tolerances at nominal widths [mm]

≤ 1 200

> 1 200 ≤ 1 500 > 1 500 ≤ 1 800 1)

≤ 2,00

± 0,24 ± 0,27 ± 0,29
> 2,00 ≤ 2,50 ± 0,25 ± 0,29 ± 0,32
> 2,50 ≤ 3,00 ± 0,28 ± 0,31 ± 0,34
> 3,00 ≤ 4,00 ± 0,31 ± 0,34 ± 0,36
> 4,00 ≤ 5,00 ± 0,34 ± 0,36 ± 0,39
> 5,00 ≤ 6,00 ± 0,36 ± 0,39 ± 0,41
> 6,00 ≤ 8,00 ± 0,41 ± 0,42 ± 0,43
> 8,00 ≤  10,00 ± 0,45 ± 0,46 ± 0,48
> 10,00 ≤ 12,50 ± 0,49 ± 0,50 ± 0,52
> 12,50 ≤ 12,70 ± 0,52 ± 0,53 ± 0,56

1) Maximum width of U. S. Steel Košice´s hot rolled products is 1 540 mm.

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

Category A
(Re ≤ 300 MPa)

Category B
300 MPa < Re ≤ 360 MPa

Category C
360 MPa < Re ≤ 420 MPa

Category D
420 MPa < Re ≤ 960 MPa
Measuring length 1 000 mm
w ≤ 1 200 t ≤ 2,00 18 To prior agreement.
2,00 < t ≤ 2,50 15
2,50 < t ≤ 3,00
3,00 < t ≤ 5,00 18
5,00 < t ≤ 8,00 13 16
8,00 < t ≤ 12,70
1 200 < w ≤ 1 500 t ≤ 2,00 21 To prior agreement.
2,00 < t ≤ 2,50 18
2,50 < t ≤ 3,00
3,00 < t ≤ 5,00 21
5,00 < t ≤ 8,00 16 19
8,00 < t ≤ 12,70
w > 1 500  t ≤ 2,00  26 To prior agreement.
2,00 < t ≤ 2,50 22
2,50 < t ≤ 3,00
3,00 < t ≤ 5,00 25
5,00 < t ≤ 8,00 19 22
8,00 < t ≤ 12,70

 

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