Hot-rolled

Steel for gas cylinders

Tata Steel’s structural steel for gas cylinders offers excellent deep-drawing properties and weldability for ease of processing. 

The grades allow for reliable normalising of the welded gas cylinder - retaining strength that contributes to optimal safety in use.
 

Gas-bottles-industry-engineering
Product specification
Steel for gas cylinders is currently available in the following grades

EN-Product-Hot-Rolled-Gas cylinders-P245NB TSUK

P245NB
Specification details for P245NB

EN-Product-Hot-Rolled-Gas cylinders-All grades Overview TSUK

Overview

Relationship with standards

Steel for gas cylinders complies with the following European standard:

EN 10120: 2008

Grade

P245NB
P265NB

For products produced in the Netherlands click here.

Supply - product conditions

Hot-rolled steel can be supplied with these product conditions and finishes and with this surface treatment:

Side/surface conditionnon-pickledpickledpickled and oiled
Mill edgesYesYesYes
Trimmed edges-YesYes

Trimmed edges available in thicknesses up to 5.0 mm.
Please contact us regarding other specifications we may have that meet your needs.
 

Surface aspects

DescriptionAvailability
Surface finishCoils are available in non-pickled and pickled finish for most grades. 
For grade specific availability, please refer to the dimensional tables.
OilingPickled finish is available with rolling or preservative oil applied. 
Oil weight normally 0.4-1.8 g/m2

Alternative oiling ranges are available.
Please contact us for details.
 

Certification

Test certificates 2.2/3.1 are available according to EN 10204.       

EN-Product-Hot-rolled-All grades Surface aspects Supply Conditions TSUK

Supply Conditions

Supply - product conditions

Hot-rolled steel can be supplied with these product conditions and finishes and with this surface treatment:

Side/surface condition non-pickled pickled pickled and oiled
Mill edges Yes Yes Yes
Trimmed edges - Yes Yes

Trimmed edges available in thicknesses up to 5.0 mm.
Please contact us regarding other specifications we may have that meet your needs.
 

Surface aspects

Description Availability
Surface finish Coils are available in non-pickled and pickled finish for most grades. 
For grade specific availability, please refer to the dimensional tables.
Oiling Pickled finish is available with rolling
or preservative oil applied. 
Oil weight normally 0.4-1.8 g/m2

Alternative oiling ranges are available.
Please contact us for details.
 

Certification

Test certificates 2.2/3.1 are available according to EN 10204.         

EN-Product-Hot-Rolled-Gas cylinders-P245NB-Properties TSUK

Properties

Mechanical Properties

Steel for gas cylinders has the following mechanical properties, measured transverse to the rolling direction:

EN 10120: 2017 Grade P245NB
Min. yield strength1 ReH (N/mm²)   245
Tensile strength Rm (N/mm²)   360 - 450
Elongation % t < 3 26
t ≥ 3 34
1. Upper yield strength or 0.2% proof stress applies.
Elongation after fracture A uses test piece length L0 = 80 mm for t < 3 and L0 = 5.65√S0 for t ≥ 3.
t – material thickness in mm.
 

Chemical composition

Tata Steel will satisfy the following cast analysis with values:

EN 10120: 2008 Grade P245NB
C Max. 0.16
Mn Min. 0.30
P Max. 0.025
S Max. 0.015
Si Max. 0.25
Altot Min. 0.020
N Max. 0.009
Nb Max. 0.050
Ti Max. 0.030
All values are in weight%.
Tata Steel does not use Cr, Cu, Mo or Ni as alloying elements for these steel grades.
 

EN-Product-Hot-Rolled-Gas cylinders-P245NB-Dimensions TSUK

Dimensions

Dimensional capability
 

Dimensions in mm.

ThicknessMax. width
From - up toP245NB
2.00 - 2.601530
2.60 - 5.001530
The above capabilities apply to both pickled and non-pickled conditions.
The minimum width is 1000 mm.
Widths smaller than 1000 mm are available on request - please contact us.
For products produced in the Netherlands click here.
 

Tolerances

Tolerances for wide strip and slit wide strip comply with standard EN 10051: 2010.
Tighter tolerances are available, please contact us.

 

EN-Product-Hot-rolled-All grades Shape and dimensional tolerances TSUK

Shape and dimensional tolerances

Shape and dimensional tolerances

The specified values for wide strip do not apply to the uncropped ends of the coil (‘head’ and ‘tail’). The length of these uncropped ends is calculated using the following formula:

length (in metres) = 90/nominal thickness (in mm), with a maximum of 20 metres.

If required, this part of the coil can be removed, however an additional cost may be charged for this.

 

Tolerances on thickness

Tata Steel can supply to full thickness tolerance specified in EN 10051:2010.

Tighter tolerances are available as shown below:

Product family Thickness tolerances available
(% of full EN 10051:2010 tolerance)
  100% 75% 66% 50%
Steel for forming Yes Yes Yes (see note 1)
High-strength low-alloy (HSLA) Yes Yes Yes Yes
AHSS Yes Yes Yes Yes
Structural steel Yes Yes Yes Yes
Boron manganese steel Yes Yes Yes  
Steel for gas cylinders Yes      
1 Please contact us for tolerances below 66%
Please contact us on the availability of special tolerances to meet your requirements.

 

Tolerances on thickness for hot-rolled steel with a low carbon content for cold forming
(DD11-DD14 in EN 10111:2008)
Nominal thickness Tolerances for a nominal width of
≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800

 

≤ 2.00

± 0.13

± 0.14

± 0.16

-

> 2.00

≤ 2.50

± 0.14

± 0.16

± 0.17

± 0.19

> 2.50

≤ 3.00

± 0.15

± 0.17

± 0.18

± 0.20

> 3.00

≤ 4.00

± 0.17

± 0.18

± 0.20

± 0.20

> 4.00

≤ 5.00

± 0.18

± 0.20

± 0.21

± 0.22

> 5.00

≤ 6.00

± 0.20

± 0.21

± 0.22

± 0.23

> 6.00

≤ 8.00

± 0.22

± 0.23

± 0.23

± 0.26

> 8.00

≤ 11.00

± 0.24

± 0.25

± 0.25

± 0.28

All dimensions are mm.
Tolerances on thickness of steel grades with a specified minimum yield strength
Re ≤ 300 N/mm2 (category A)
Nominal thickness Tolerances for a nominal width of
≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800
 

≤ 2.00

± 0.17

± 0.19

± 0.21

-

> 2.00

≤ 2.50

± 0.18

± 0.21

± 0.23

± 0.25

> 2.50

≤ 3.00

± 0.20

± 0.22

± 0.24

± 0.26

> 3.00

≤ 4.00

± 0.22

± 0.24

± 0.26

± 0.27

> 4.00

≤ 5.00

± 0.24

± 0.26

± 0.28

± 0.29

> 5.00

≤ 6.00

± 0.26

± 0.28

± 0.29

± 0.31

> 6.00

≤ 8.00

± 0.29

± 0.30

± 0.31

± 0.35

> 8.00

≤ 10.00

± 0.32

± 0.33

± 0.34

± 0.40

> 10.00

≤ 12.50

± 0.35

± 0.36

± 0.37

± 0.43

> 12.50

≤ 15.00

± 0.37

± 0.38

± 0.40

± 0.46

> 15.00

≤ 25.00

± 0.40

± 0.42

± 0.45

± 0.50

All dimensions are mm.
Tolerances on thickness of steel grades with a specified minimum yield strength
300 N/mm2 < Re ≤ 360 N/mm2 (category B)
Nominal thickness Tolerances for a nominal width of
≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800

 

≤ 2.00

± 0.20

± 0.22

± 0.24

-

> 2.00

≤ 2.50

± 0.21

± 0.24

± 0.26

± 0.29

> 2.50

≤ 3.00

± 0.23

± 0.25

± 0.28

± 0.30

> 3.00

≤ 4.00

± 0.25

± 0.28

± 0.30

± 0.31

> 4.00

≤ 5.00

± 0.28

± 0.30

± 0.32

± 0.33

> 5.00

≤ 6.00

± 0.30

± 0.32

± 0.33

± 0.36

> 6.00

≤ 8.00

± 0.33

± 0.35

± 0.36

± 0.40

> 8.00

≤ 10.00

± 0.37

± 0.38

± 0.39

± 0.46

> 10.00

≤ 12.50

± 0.40

± 0.41

± 0.43

± 0.49

> 12.50

≤ 15.00

± 0.43

± 0.44

± 0.46

± 0.53

> 15.00

≤ 25.00

± 0.46

± 0.48

± 0.52

± 0.58

All dimensions are mm.
Tolerances on thickness of steel grades with a specified minimum yield strength
360 N/mm2 < Re ≤ 420 N/mm2 (category C)
Nominal thickness

Tolerances for a nominal width of

≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800

 

≤ 2.00

± 0.22

± 0.25

± 0.27

-

> 2.00

≤ 2.50

± 0.23

± 0.27

± 0.30

± 0.33

> 2.50

≤ 3.00

± 0.26

± 0.29

± 0.31

± 0.34

> 3.00

≤ 4.00

± 0.29

± 0.31

± 0.34

± 0.35

> 4.00

≤ 5.00

± 0.31

± 0.34

± 0.36

± 0.38

> 5.00

≤ 6.00

± 0.34

± 0.36

± 0.38

± 0.40

> 6.00

≤ 8.00

± 0.38

± 0.39

± 0.40

± 0.46

> 8.00

≤ 10.00

± 0.42

± 0.43

± 0.44

± 0.52

> 10.00

≤ 12.50

± 0.46

± 0.47

± 0.48

± 0.56

> 12.50

≤ 15.00

± 0.48

± 0.49

± 0.52

± 0.60

> 15.00

≤ 25.00

± 0.52

± 0.55

± 0.59

± 0.65

All dimensions are mm.
Tolerances on thickness of steel grades with a specified minimum yield strength
420 N/mm2 < Re ≤ 900 N/mm2 (category D)

Nominal thickness

Tolerances for a nominal width of
≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800

 

≤ 2.00

± 0.24

± 0.27

± 0.29

-

> 2.00

≤ 2.50

± 0.25

± 0.29

± 0.32

± 0.35

> 2.50

≤ 3.00

± 0.28

± 0.31

± 0.34

± 0.36

> 3.00

≤ 4.00

± 0.31

± 0.34

± 0.36

± 0.38

> 4.00

≤ 5.00

± 0.34

± 0.36

± 0.39

± 0.41

> 5.00

≤ 6.00

± 0.36

± 0.39

± 0.41

± 0.43

> 6.00

≤ 8.00

± 0.41

± 0.42

± 0.43

± 0.49

> 8.00

≤ 10.00

± 0.45

± 0.46

± 0.48

± 0.56

> 10.00

≤ 12.50

± 0.49

± 0.50

± 0.52

± 0.60

> 12.50

≤ 15.00

± 0.52

± 0.53

± 0.56

± 0.64

> 15.00

≤ 25.00

± 0.56

± 0.59

± 0.63

± 0.70

All dimensions are mm.

Tolerances on width

Tolerances in mm.

Nominal width w
Mill edges Trimmed edges
lower upper lower upper

 w ≤ 1200

0

20

0

3

 1200 < w ≤ 1850

0

20

0

5

 w > 1850

0

25

0

6

Tolerances  in mm for wide strip and slit wide strip
The tolerances for wide strip and slit wide strip comply with standard EN 10051:2010.

The specified values for wide strip do not apply to the uncropped ends of the coil (‘head’ and ‘tail’). The length of these uncropped ends is calculated using the following formula:
length (in metres) = 90/nominal thickness (in mm), with a maximum of 20 metres.

If required, this part of the coil can be removed, however an additional cost may be charged for this.

Edge camber

The deviation from the edge over a length of 5000mm:

• with mill edges, no more than 20mm
• with trimmed edges, no more than 15mm

Flatness

Requirements as regards flatness can be agreed at the time of enquiry.

Option for maximum crown values

The following high crown C40 options available for hot-rolled products.

Crown values on the C20-position as well as minimum crown values on both C20 and C40 position are also available on request.

 

Maximum Crown C40 in µm values for hot-rolled steel with a low carbon content for cold forming
(DD11-DD14 in EN 10111:2008)

Category 1

C40

     
Nominal Thickness

≤ 1200

> 1200

> 1500

> 1800

≤ 1500

≤ 1800

> 1.47

≤ 2.00

40

40

40

40

> 2.00

≤ 2.50

40

40

50

50

> 2.50

≤ 3.00

40

40

50

50

> 3.00

≤ 6.00

40

50

50

50

> 6.00

≤ 11.00

50

50

50

50

 

Maximum Crown C40 in µm values of structural steel grades
(S185-S235-S275 ≤ 10mm in EN 10025-2:2004)

Category 2

C40

     
Nominal Thickness

≤ 1200

> 1200

> 1500

> 1800

≤ 1500

≤ 1800

> 1.47

≤ 2.00

40

40

40

40

> 2.00

≤ 2.50

40

40

50

50

> 2.50

≤ 20.00

50

50

50

50

 

Maximum Crown C40 in µm values of structural steel grades(S275 > 10mm in EN 10025-2:2004)
 and HSLA grades (S315MC in EN 10149-2:1996)

Category 3

C40

     
Nominal Thickness

≤ 1200

> 1200

> 1500

> 1800

≤ 1500

≤ 1800

> 1.47

≤ 2.00

50

50

60

60

> 2.00

≤ 2.50

50

60

60

60

> 2.50

≤ 3.00

50

60

60

60

> 3.00

≤ 20.00

60

60

70

70

 

Maximum Crown C40 in µm values of HSLA grades
 (S355MC, S420MC, S460MC, S500MC, S550MC in EN 10149-2:1996)

Category 4

C40

     
Nominal Thickness

≤ 1200

> 1200

> 1500

> 1800

≤ 1500

≤ 1800

> 1.47

≤ 2.00

60

70

70

70

> 2.00

≤ 2.50

60

70

80

80

> 2.50

≤ 3.00

60

70

80

80

> 3.00

≤ 5.00

70

70

80

80

> 5.00

≤ 20.00

80

80

80

80

 

Dimensions and coil weights

Tata Steel can supply hot-rolled steels with the following minimum and maximum dimensions and weights:

Description Availability
Coil diameter inner non-pickled 762mm
Coil diameter inner pickled 610mm standard
Tolerance on inner diameter +0/-50mm
Coil diameter outer non-pickled Outer diameter available is 10/7 x width
to reduce possibility of coil tipping over
Max. 2200mm
Min. 1050mm
Coil diameter outer pickled and oiled Outer diameter available is 10/7 x width
to reduce possibility of coil tipping over
Outer diameter
limit 2200mm
Min. 1050mm
Coil weight Max. 32 tonnes
Additional maximum limits from transport
limits and outer coil diameter
Some HR products may have different
coil weight ranges
Minimum tonnage per order Please refer to price list for order quantity details
Minimum order quantities may apply

 

 

EN-Product-Hot-Rolled-Gas cylinders-P265N TSUK

P265NB
Specification details for P265NB

EN-Product-Hot-Rolled-Gas cylinders-All grades Overview TSUK

Overview

Relationship with standards

Steel for gas cylinders complies with the following European standard:

EN 10120: 2008

Grade

P245NB
P265NB

For products produced in the Netherlands click here.

Supply - product conditions

Hot-rolled steel can be supplied with these product conditions and finishes and with this surface treatment:

Side/surface conditionnon-pickledpickledpickled and oiled
Mill edgesYesYesYes
Trimmed edges-YesYes

Trimmed edges available in thicknesses up to 5.0 mm.
Please contact us regarding other specifications we may have that meet your needs.
 

Surface aspects

DescriptionAvailability
Surface finishCoils are available in non-pickled and pickled finish for most grades. 
For grade specific availability, please refer to the dimensional tables.
OilingPickled finish is available with rolling or preservative oil applied. 
Oil weight normally 0.4-1.8 g/m2

Alternative oiling ranges are available.
Please contact us for details.
 

Certification

Test certificates 2.2/3.1 are available according to EN 10204.       

EN-Product-Hot-rolled-All grades Surface aspects Supply Conditions TSUK

Supply Conditions

Supply - product conditions

Hot-rolled steel can be supplied with these product conditions and finishes and with this surface treatment:

Side/surface condition non-pickled pickled pickled and oiled
Mill edges Yes Yes Yes
Trimmed edges - Yes Yes

Trimmed edges available in thicknesses up to 5.0 mm.
Please contact us regarding other specifications we may have that meet your needs.
 

Surface aspects

Description Availability
Surface finish Coils are available in non-pickled and pickled finish for most grades. 
For grade specific availability, please refer to the dimensional tables.
Oiling Pickled finish is available with rolling
or preservative oil applied. 
Oil weight normally 0.4-1.8 g/m2

Alternative oiling ranges are available.
Please contact us for details.
 

Certification

Test certificates 2.2/3.1 are available according to EN 10204.         

EN-Product-Hot-Rolled-Gas cylinders-P265NB-Properties TSUK

Properties

Mechanical Properties

Steel for gas cylinders has the following mechanical properties, measured transverse to the rolling direction:

EN 10120: 2017 Grade P265NB
Min. yield strength1 ReH (N/mm²)   265
Tensile strength Rm (N/mm²)   410 - 500
Elongation % t < 3 24
t ≥ 3 32
1. Upper yield strength or 0.2% proof stress applies.
Elongation after fracture A uses test piece length L0 = 80 mm for t < 3 and L0 = 5.65√S0 for t ≥ 3.
t – material thickness in mm.
 

Chemical composition

Tata Steel will satisfy the following cast analysis:

EN 10120: 2008 Grade P265NB
C Max. 0.19
Mn Min. 0.40
P Max. 0.025
S Max. 0.015
Si Max. 0.25
Altot Min. 0.020
N Max. 0.009
Nb Max. 0.050
Ti Max. 0.030
All values are in weight%.
Tata Steel does not use Cr, Cu, Mo or Ni as alloying elements for these steel grades.
 

EN-Product-Hot-Rolled-Gas cylinders-P265NB-Dimensions TSUK

Dimensions

Dimensional capability
 

Dimensions in mm.

ThicknessMax. width
From - up toP265NB
2.00 - 2.601400
2.60 - 5.001530
The above capabilities apply to both pickled and non-pickled conditions.
The minimum width is 1000 mm.
Widths smaller than 1000 mm are available on request - please contact us.
For products produced in the Netherlands click here.

Tolerances

Tolerances for wide strip and slit wide strip comply with standard EN 10051: 2010.
Tighter tolerances are available, please contact us.

 

EN-Product-Hot-rolled-All grades Shape and dimensional tolerances TSUK

Shape and dimensional tolerances

Shape and dimensional tolerances

The specified values for wide strip do not apply to the uncropped ends of the coil (‘head’ and ‘tail’). The length of these uncropped ends is calculated using the following formula:

length (in metres) = 90/nominal thickness (in mm), with a maximum of 20 metres.

If required, this part of the coil can be removed, however an additional cost may be charged for this.

 

Tolerances on thickness

Tata Steel can supply to full thickness tolerance specified in EN 10051:2010.

Tighter tolerances are available as shown below:

Product family Thickness tolerances available
(% of full EN 10051:2010 tolerance)
  100% 75% 66% 50%
Steel for forming Yes Yes Yes (see note 1)
High-strength low-alloy (HSLA) Yes Yes Yes Yes
AHSS Yes Yes Yes Yes
Structural steel Yes Yes Yes Yes
Boron manganese steel Yes Yes Yes  
Steel for gas cylinders Yes      
1 Please contact us for tolerances below 66%
Please contact us on the availability of special tolerances to meet your requirements.

 

Tolerances on thickness for hot-rolled steel with a low carbon content for cold forming
(DD11-DD14 in EN 10111:2008)
Nominal thickness Tolerances for a nominal width of
≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800

 

≤ 2.00

± 0.13

± 0.14

± 0.16

-

> 2.00

≤ 2.50

± 0.14

± 0.16

± 0.17

± 0.19

> 2.50

≤ 3.00

± 0.15

± 0.17

± 0.18

± 0.20

> 3.00

≤ 4.00

± 0.17

± 0.18

± 0.20

± 0.20

> 4.00

≤ 5.00

± 0.18

± 0.20

± 0.21

± 0.22

> 5.00

≤ 6.00

± 0.20

± 0.21

± 0.22

± 0.23

> 6.00

≤ 8.00

± 0.22

± 0.23

± 0.23

± 0.26

> 8.00

≤ 11.00

± 0.24

± 0.25

± 0.25

± 0.28

All dimensions are mm.
Tolerances on thickness of steel grades with a specified minimum yield strength
Re ≤ 300 N/mm2 (category A)
Nominal thickness Tolerances for a nominal width of
≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800
 

≤ 2.00

± 0.17

± 0.19

± 0.21

-

> 2.00

≤ 2.50

± 0.18

± 0.21

± 0.23

± 0.25

> 2.50

≤ 3.00

± 0.20

± 0.22

± 0.24

± 0.26

> 3.00

≤ 4.00

± 0.22

± 0.24

± 0.26

± 0.27

> 4.00

≤ 5.00

± 0.24

± 0.26

± 0.28

± 0.29

> 5.00

≤ 6.00

± 0.26

± 0.28

± 0.29

± 0.31

> 6.00

≤ 8.00

± 0.29

± 0.30

± 0.31

± 0.35

> 8.00

≤ 10.00

± 0.32

± 0.33

± 0.34

± 0.40

> 10.00

≤ 12.50

± 0.35

± 0.36

± 0.37

± 0.43

> 12.50

≤ 15.00

± 0.37

± 0.38

± 0.40

± 0.46

> 15.00

≤ 25.00

± 0.40

± 0.42

± 0.45

± 0.50

All dimensions are mm.
Tolerances on thickness of steel grades with a specified minimum yield strength
300 N/mm2 < Re ≤ 360 N/mm2 (category B)
Nominal thickness Tolerances for a nominal width of
≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800

 

≤ 2.00

± 0.20

± 0.22

± 0.24

-

> 2.00

≤ 2.50

± 0.21

± 0.24

± 0.26

± 0.29

> 2.50

≤ 3.00

± 0.23

± 0.25

± 0.28

± 0.30

> 3.00

≤ 4.00

± 0.25

± 0.28

± 0.30

± 0.31

> 4.00

≤ 5.00

± 0.28

± 0.30

± 0.32

± 0.33

> 5.00

≤ 6.00

± 0.30

± 0.32

± 0.33

± 0.36

> 6.00

≤ 8.00

± 0.33

± 0.35

± 0.36

± 0.40

> 8.00

≤ 10.00

± 0.37

± 0.38

± 0.39

± 0.46

> 10.00

≤ 12.50

± 0.40

± 0.41

± 0.43

± 0.49

> 12.50

≤ 15.00

± 0.43

± 0.44

± 0.46

± 0.53

> 15.00

≤ 25.00

± 0.46

± 0.48

± 0.52

± 0.58

All dimensions are mm.
Tolerances on thickness of steel grades with a specified minimum yield strength
360 N/mm2 < Re ≤ 420 N/mm2 (category C)
Nominal thickness

Tolerances for a nominal width of

≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800

 

≤ 2.00

± 0.22

± 0.25

± 0.27

-

> 2.00

≤ 2.50

± 0.23

± 0.27

± 0.30

± 0.33

> 2.50

≤ 3.00

± 0.26

± 0.29

± 0.31

± 0.34

> 3.00

≤ 4.00

± 0.29

± 0.31

± 0.34

± 0.35

> 4.00

≤ 5.00

± 0.31

± 0.34

± 0.36

± 0.38

> 5.00

≤ 6.00

± 0.34

± 0.36

± 0.38

± 0.40

> 6.00

≤ 8.00

± 0.38

± 0.39

± 0.40

± 0.46

> 8.00

≤ 10.00

± 0.42

± 0.43

± 0.44

± 0.52

> 10.00

≤ 12.50

± 0.46

± 0.47

± 0.48

± 0.56

> 12.50

≤ 15.00

± 0.48

± 0.49

± 0.52

± 0.60

> 15.00

≤ 25.00

± 0.52

± 0.55

± 0.59

± 0.65

All dimensions are mm.
Tolerances on thickness of steel grades with a specified minimum yield strength
420 N/mm2 < Re ≤ 900 N/mm2 (category D)

Nominal thickness

Tolerances for a nominal width of
≤ 1200 > 1200 > 1500 > 1800
≤ 1500 ≤ 1800

 

≤ 2.00

± 0.24

± 0.27

± 0.29

-

> 2.00

≤ 2.50

± 0.25

± 0.29

± 0.32

± 0.35

> 2.50

≤ 3.00

± 0.28

± 0.31

± 0.34

± 0.36

> 3.00

≤ 4.00

± 0.31

± 0.34

± 0.36

± 0.38

> 4.00

≤ 5.00

± 0.34

± 0.36

± 0.39

± 0.41

> 5.00

≤ 6.00

± 0.36

± 0.39

± 0.41

± 0.43

> 6.00

≤ 8.00

± 0.41

± 0.42

± 0.43

± 0.49

> 8.00

≤ 10.00

± 0.45

± 0.46

± 0.48

± 0.56

> 10.00

≤ 12.50

± 0.49

± 0.50

± 0.52

± 0.60

> 12.50

≤ 15.00

± 0.52

± 0.53

± 0.56

± 0.64

> 15.00

≤ 25.00

± 0.56

± 0.59

± 0.63

± 0.70

All dimensions are mm.

Tolerances on width

Tolerances in mm.

Nominal width w
Mill edges Trimmed edges
lower upper lower upper

 w ≤ 1200

0

20

0

3

 1200 < w ≤ 1850

0

20

0

5

 w > 1850

0

25

0

6

Tolerances  in mm for wide strip and slit wide strip
The tolerances for wide strip and slit wide strip comply with standard EN 10051:2010.

The specified values for wide strip do not apply to the uncropped ends of the coil (‘head’ and ‘tail’). The length of these uncropped ends is calculated using the following formula:
length (in metres) = 90/nominal thickness (in mm), with a maximum of 20 metres.

If required, this part of the coil can be removed, however an additional cost may be charged for this.

Edge camber

The deviation from the edge over a length of 5000mm:

• with mill edges, no more than 20mm
• with trimmed edges, no more than 15mm

Flatness

Requirements as regards flatness can be agreed at the time of enquiry.

Option for maximum crown values

The following high crown C40 options available for hot-rolled products.

Crown values on the C20-position as well as minimum crown values on both C20 and C40 position are also available on request.

 

Maximum Crown C40 in µm values for hot-rolled steel with a low carbon content for cold forming
(DD11-DD14 in EN 10111:2008)

Category 1

C40

     
Nominal Thickness

≤ 1200

> 1200

> 1500

> 1800

≤ 1500

≤ 1800

> 1.47

≤ 2.00

40

40

40

40

> 2.00

≤ 2.50

40

40

50

50

> 2.50

≤ 3.00

40

40

50

50

> 3.00

≤ 6.00

40

50

50

50

> 6.00

≤ 11.00

50

50

50

50

 

Maximum Crown C40 in µm values of structural steel grades
(S185-S235-S275 ≤ 10mm in EN 10025-2:2004)

Category 2

C40

     
Nominal Thickness

≤ 1200

> 1200

> 1500

> 1800

≤ 1500

≤ 1800

> 1.47

≤ 2.00

40

40

40

40

> 2.00

≤ 2.50

40

40

50

50

> 2.50

≤ 20.00

50

50

50

50

 

Maximum Crown C40 in µm values of structural steel grades(S275 > 10mm in EN 10025-2:2004)
 and HSLA grades (S315MC in EN 10149-2:1996)

Category 3

C40

     
Nominal Thickness

≤ 1200

> 1200

> 1500

> 1800

≤ 1500

≤ 1800

> 1.47

≤ 2.00

50

50

60

60

> 2.00

≤ 2.50

50

60

60

60

> 2.50

≤ 3.00

50

60

60

60

> 3.00

≤ 20.00

60

60

70

70

 

Maximum Crown C40 in µm values of HSLA grades
 (S355MC, S420MC, S460MC, S500MC, S550MC in EN 10149-2:1996)

Category 4

C40

     
Nominal Thickness

≤ 1200

> 1200

> 1500

> 1800

≤ 1500

≤ 1800

> 1.47

≤ 2.00

60

70

70

70

> 2.00

≤ 2.50

60

70

80

80

> 2.50

≤ 3.00

60

70

80

80

> 3.00

≤ 5.00

70

70

80

80

> 5.00

≤ 20.00

80

80

80

80

 

Dimensions and coil weights

Tata Steel can supply hot-rolled steels with the following minimum and maximum dimensions and weights:

Description Availability
Coil diameter inner non-pickled 762mm
Coil diameter inner pickled 610mm standard
Tolerance on inner diameter +0/-50mm
Coil diameter outer non-pickled Outer diameter available is 10/7 x width
to reduce possibility of coil tipping over
Max. 2200mm
Min. 1050mm
Coil diameter outer pickled and oiled Outer diameter available is 10/7 x width
to reduce possibility of coil tipping over
Outer diameter
limit 2200mm
Min. 1050mm
Coil weight Max. 32 tonnes
Additional maximum limits from transport
limits and outer coil diameter
Some HR products may have different
coil weight ranges
Minimum tonnage per order Please refer to price list for order quantity details
Minimum order quantities may apply