DD14+
Specification details for DD14+

EN-Product-Hot-Rolled-Forming-All grades OverviewTSUK

Overview

Applications

  • Automotive components
  • Domestic appliance components
  • Furniture
  • Switch gear panels
  • Wheel rims
  • Tubes and sections
     

Relationship with standards

Tata Steel offers hot-rolled steel for forming in grades that comply with EN 10111: 2008 and in special Tata Steel grades as shown in the table below. All grades are available in qualities suitable for galvanising.

As the EN standard applies only to steel ≤ 11mm thick, please consult us about the properties of steel in other thicknesses.

Tata Steel offers hot-rolled steel for forming in grades that comply with EN 10111: 2008 and in a special Tata Steel grade as shown in the table below. All grades are available in qualities suitable for galvanising.

As the EN standard applies only to steel ≤ 11mm thick, please consult us about the properties of steel in other thicknesses.

Tata SteelEuropean standardVDA
GradeEN 10111: 2008VDA 239-100-16
DD11DD11 2-
DD12DD12-
DD13DD13-
DD13WR1--
DD14DD14HR2
DD14+ 1--
1. Not in EN 10111: 2008 . Tata Steel’s own specification.
2. DD11 products should be used within one month of their availability.
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-Forming-DD14+-Properties TSUK

Properties

Properties


Mechanical properties

The values shown for the mechanical properties in the table below are for test pieces taken transverse to the rolling direction:

  Grade DD14+
Yield strength ReL  (N/mm2) 1.5 ≤ t < 2 170 - 250
2 ≤ t < 11  
Max. tensile strength Rm  (N/mm2)   340
Elongation (%) 1.5 ≤ t < 2 36
2 ≤ t < 3 36
3 ≤ t < 11 39
Min. bend test diameter   0t
Not in EN 10111: 2008. Tata Steel’s own specification.
Values are for test pieces taken transverse to the rolling direction:
t - material thickness in mm
Lower yield strength or 0.2% proof stress applies.
Test piece length L0 = 80mm for thicknesses <3mm and L0 = 5.65√S0 for thicknesses ≥3mm

Chemical composition

Hot-rolled steel for forming meets the requirements of the cast analysis in the standard as shown in the table below:

EN 10111: 2008 Grade DD14+
C Max. 0.055
Mn Max. 0.25
P Max. 0.02
S Max. 0.02
Not in EN 10111: 2008. Tata Steel’s own specification.
All values are in weight%.

EN-Product-Hot-Rolled-Forming-DD14+-Dimensions TSUK

Dimensions

Dimensions

Dimensional capability – non-pickled.

Dimensions in mm.
 

ThicknessMax. width
From - up toDD14+
1.80 - 2.001470
2.00 - 5.001530
The minimum width is 900 mm. For other dimensions please contact us.
EN10111: 2008 only specifies material up to 11 mm thick. Material exceeding this thickness is supplied to Tata Steel's own specification.
 

Dimensional capability – pickled.

Dimensions in mm.

ThicknessMax. width
From - up toDD14+
1.80 - 2.001470
2.00 - 5.001530
The minimum width is 900 mm.

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 familyThickness tolerances available
(% of full EN 10051:2010 tolerance)
 100%75%66%50%
Steel for formingYesYesYes(see note 1)
High-strength low-alloy (HSLA)YesYesYesYes
AHSSYesYesYesYes
Structural steelYesYesYesYes
Boron manganese steelYesYesYes 
Steel for gas cylindersYes   
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 thicknessTolerances 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 thicknessTolerances 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 thicknessTolerances 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 thicknessTolerances 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 thicknessTolerances 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 edgesTrimmed edges
lowerupperlowerupper
 w ≤ 120002003
 1200 < w ≤ 185002005
 w > 185002506

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≤ 2.0040404040
> 2.00≤ 2.5040405050
> 2.50≤ 3.0040405050
> 3.00≤ 6.0040505050
> 6.00≤ 11.0050505050

 

Maximum Crown C40 in µm values of structural steel grades
(S185-S235-S275 ≤ 10mm in EN 10025-2:2004)
Category 2C40   
Nominal Thickness≤ 1200> 1200> 1500> 1800
≤ 1500≤ 1800
> 1.47≤ 2.0040404040
> 2.00≤ 2.5040405050
> 2.50≤ 20.0050505050

 

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≤ 2.0050506060
> 2.00≤ 2.5050606060
> 2.50≤ 3.0050606060
> 3.00≤ 20.0060607070

 

Maximum Crown C40 in µm values of HSLA grades
 (S355MC, S420MC, S460MC, S500MC, S550MC in EN 10149-2:1996)
Category 4C40   
Nominal Thickness≤ 1200> 1200> 1500> 1800
≤ 1500≤ 1800
> 1.47≤ 2.0060707070
> 2.00≤ 2.5060708080
> 2.50≤ 3.0060708080
> 3.00≤ 5.0070708080
> 5.00≤ 20.0080808080

 

Dimensions and coil weights

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

DescriptionAvailability
Coil diameter inner non-pickled762mm
Coil diameter inner pickled610mm standard
Tolerance on inner diameter+0/-50mm
Coil diameter outer non-pickledOuter diameter available is 10/7 x width
to reduce possibility of coil tipping over
Max. 2200mm
Min. 1050mm
Coil diameter outer pickled and oiledOuter diameter available is 10/7 x width
to reduce possibility of coil tipping over
Outer diameter
limit 2200mm
Min. 1050mm
Coil weightMax. 32 tonnes
Additional maximum limits from transport
limits and outer coil diameter
Some HR products may have different
coil weight ranges
Minimum tonnage per orderPlease refer to price list for order quantity details
Minimum order quantities may apply

 

 

EN-Product-Hot-rolled-Heavy+Light further processing TSUK

Further processing

Further processing

We have a broad network of Tata Steel service centres across Europe, offering decoiling and slitting services from stock and against short lead times.

Heavy gauge processing

Processing typeDecoiling
Thickness range (mm)1.4 - 25.4
Width range (mm)300 - 2600
Length rangeup to 18.4m
LocationsUK
Netherlands

 

Light gauge processing

Processing typeSlittingDecoilingBlanking
Thickness range (mm)0.2 - 7.00.3 - 6.00.3 - 6.0
Width range (mm)10 - 205050 - 2600200 - 2600
Length range-up to 6mup to 6m
LocationsUK
Ireland
Netherlands
Germany
France
Spain
Sweden
Norway
Finland
UK
Ireland
Netherlands
Germany
France
Spain
Sweden
Norway
Finland
UK
Ireland
 


For further information please visit our Service Centre webpages.