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  • Automotive - Metallic coated - Steel for forming

    Our forming steels are available in a wide range of grades and corrosion resistant coatings.

    Each grade is designed for specific applications and comes with a choice of surface quality. Extensive dimensional choice provides opportunities for cutting waste and maximising yield.

    • Excellent paint finish

      Steels with the new Serica surface finish enable a consistently excellent paint finish, even when thinner or fewer paint layers are used. Combined with the cost-effective process of hot-dip coating, Serica offers you significant total cost of ownership benefits.

    • MagiZinc Auto - Advanced hot dip zinc coating

      MagiZinc®Auto delivers twice the level of corrosion protection offered by conventional zinc coatings - creating scope for weight reduction and increased yield.

      Less prone to zinc-flaking, MagiZinc Auto reduces tool pollution by 25% for improvements of up to 30% in press shop uptime.

    • DX57 HyperForm - a premium formable steel grade

      DX57 HyperForm is a premium formable steel grade with very good deep drawing and stretching properties in all directions.

      This enables production of stylish outer panels with complex shapes, like sharp feature lines and extra deep sections.

    Contact us

    Tata Steel

    Automotive

    PO Box 10.000, 7H-04

    1970 CA IJmuiden

    The Netherlands

    T +31 (0) 251 495748

    Overview

     

    Applications

    Our forming steels are used for complex shaped interior and exterior parts. These include:

    • wheel arches
    • door inner parts
    • bodysides
    • tailgates

     

    Relationship with standards

     VDA standardEuropean standardNational standard Germany
    GradeVDA 239-100EN 10346:2015DIN 17162-1
    DX51 - DX51D+Z/+ZF/+ZM St 02 Z
    DX52 CR1-GI/GA/ZM DX52D+Z/+ZF/+ZM St 03 Z
    DX53 CR2-GI/GA/ZM DX53D+Z/+ZF/+ZM St 05 Z
    DX54 CR3-GI/GA/ZM DX54D+Z/+ZF/+ZM St 06 Z
    DX56 CR4-GI/GA/ZM DX56D+Z/+ZF/+ZM St 07 Z 1
    DX57 CR5-GI/GA/ZM DX57D+Z/+ZF/+ZM -
    DX57 HyperForm
    CR6-GI - -

    1. Not in standard. Tata Steel’s own specification.
     

     

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    Properties

     

    Mechanical properties

    Metallic coated steel for forming has the following mechanical properties. These are measured transverse to the rolling direction. Property range is indicated according to EN 10346, but properties meet equivalent VDA 239-100 specifications also.

      Yield strength 1Tensile strengthMin. elongation after fracture 2Min. r-valueMin. n-value
    GradeCoating typeReRmAr90n90
      N/mm²N/mm²%  
    DX51 GI/GA/ZM - 270 - 500 22 - -
    DX52 GI/GA/ZM 140 - 300 3 270 - 420 26 - -
    DX53 GI/GA/ZM 140 - 260 270 - 380 30 - -
    DX54 GI 120 - 220 260 - 350 36 1.6 4 0.18
    DX54 GA/ZM 120 - 220 260 - 350 34 1.4 4 0.18
    DX56 GI 120 - 180 260 - 350 39 1.9 4 0.21
    DX56 GA/ZM 120 - 180 260 - 350 37 1.7 4, 5 0.20 5
    DX57 GI 120 - 170 260 - 350 41 2.1 4 0.22
    DX57 GA/ZM 120 - 170 260 - 350 39 1.9 4, 5 0.21 5
    DX57 HyperForm
    GI 120 - 160 260 - 310 43 2.3 0.225

    1. If the yield point is not pronounced, the values apply to the 0.2% - proof strength Rp0.2 ; if the yield 
       strength is pronounced, the values apply to the lower yield point ReL.
    2. Decreased minimum elongation values apply for product thickness t ≤ 0.50mm (minus 4 units)
       and for 0.50mm ≤ t ≤ 0.70mm (minus 2 units).
    3. This value applies to skin-passed products only (surface qualities B and C).
    4. For t > 1.5mm, the minimum r90-value reduced by 0.2 applies
    5. For t ≤ 0.7mm, the minimum r90-value reduced by 0.2 and minimum n90-value reduced by 0.01
       apply.

    Chemical composition

    Tata Steel complies with the following cast analysis with maximum values in weight percentages.

     

    C

    Mn

    P

    S

    Al

    N

    Ti

    Grade

    Max.

    Max.

    Max.

    Max.

    Min.

    Max.

    Max.

    DX51

    0.180

    1.20

    0.12

    0.045

    -

    -

    0.30

    DX52

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX53

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX54

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX56

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX57

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX57 HyperForm

    0.120 0.60 0.10 0.045 - - 0.30

    All values in weight%.

     

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    Dimensions

     

    Dimensional capability

    Galvanised (GI) and MagiZinc Auto (ZM) products

    Dimensions in mm.

    ThicknessMax. width
    From - up toDX51DX52DX53DX54DX56DX57DX57 
    HyperForm
    0.35 - 0.40 1370 - - - - - -
    0.40 - 0.45 1520 1520 - - - - -
    0.45 - 0.50 1520 1520 1520 1350 1350 - -
    0.50 - 0.55 1520 1520 1540 1500 1500 1450 -
    0.55 - 0.60 1590 1590 1640 1620 1620 1590 -
    0.60 - 0.65 1770 1770 1740 1730 1730 1780 1800
    0.65 - 0.70 1870 1870 1830 1870 1870 1890 1820
    0.70 - 0.75 1890 1890 1910 1970 1970 1930 1780
    0.75 - 0.80 1990 1990 1950 1970 1970 1900 1710
    0.80 - 0.90 2020 2020 2000 1970 1970 1820 1600
    0.90 - 1.00 2020 2020 2000 1970 1970 1770 1490
    1.00 - 1.10 2020 2020 2000 1970 1970 1620 -
    1.10 - 1.20 2020 2020 2000 1970 1970 1490 -
    1.20 - 1.30 2020 2020 1940 1940 1940 - -
    1.30 - 1.40 2020 2020 1890 1840 1840 - -
    1.40 - 1.50 2020 2020 1830 1840 1840 - -
    1.50 - 1.60 2020 2020 1740 1840 1840 - -
    1.60 - 1.70 2020 2020 1640 1800 1800 - -
    1,70 - 1,75 2000 1970 1600 1720 1720 - -
    1.75 - 1.90 2000 1970 1530 1630 1630 - -
    1.90 - 2.00 2000 1970 1450 1530 1530 - -
    2.00 - 2.25 1580 1580 - - - - -
    2.25 - 2.40 1580 1580 - - - - -
    2.40 - 2.50 1580 1580 - - - - -

    The minimum width is 900mm.
    Surface condition MB, MC available, as well as surface finish Regular, Improved and Serica. 
    Serica premium surface finish availability can be found in our dedicated Serica page.
    Please contact us for thickness greater than 2.5mm.

     

    Galvannealed (GA) products

    Dimensions in mm.

    Thickness

    Max. width

    From - up to

    DX51

    DX52

    DX53

    DX54

    DX56

    DX57

    DX57 
    HyperForm

    0.40 - 0.50

    1350

    1350

    1350

    1350

    1350

    -

    -

    0.50 - 0.60

    1470

    1470

    1470

    1470

    1470

    -

    -

    0.60 - 0.65

    1730

    1730

    1730

    1730

    1730

    -

    -

    0.65 - 1.60

    1850

    1850

    1850

    1850

    1850

    -

    -

    1.60 - 1.75

    1680

    1680

    1680

    1680

    1680

    -

    -

    The minimum width is 900mm.
    For DX57, please contact us for available widths.

    Tolerances

    Tolerances comply with standard EN 10143:2006 (click here).
    Tighter tolerances are available on request.

     

    back to top

     

    Overview

    Overview

     

    Applications

    Our forming steels are used for complex shaped interior and exterior parts. These include:

    • wheel arches
    • door inner parts
    • bodysides
    • tailgates

     

    Relationship with standards

     VDA standardEuropean standardNational standard Germany
    GradeVDA 239-100EN 10346:2015DIN 17162-1
    DX51 - DX51D+Z/+ZF/+ZM St 02 Z
    DX52 CR1-GI/GA/ZM DX52D+Z/+ZF/+ZM St 03 Z
    DX53 CR2-GI/GA/ZM DX53D+Z/+ZF/+ZM St 05 Z
    DX54 CR3-GI/GA/ZM DX54D+Z/+ZF/+ZM St 06 Z
    DX56 CR4-GI/GA/ZM DX56D+Z/+ZF/+ZM St 07 Z 1
    DX57 CR5-GI/GA/ZM DX57D+Z/+ZF/+ZM -
    DX57 HyperForm
    CR6-GI - -

    1. Not in standard. Tata Steel’s own specification.
     

     

    back to top

    Properties

    Properties

     

    Mechanical properties

    Metallic coated steel for forming has the following mechanical properties. These are measured transverse to the rolling direction. Property range is indicated according to EN 10346, but properties meet equivalent VDA 239-100 specifications also.

      Yield strength 1Tensile strengthMin. elongation after fracture 2Min. r-valueMin. n-value
    GradeCoating typeReRmAr90n90
      N/mm²N/mm²%  
    DX51 GI/GA/ZM - 270 - 500 22 - -
    DX52 GI/GA/ZM 140 - 300 3 270 - 420 26 - -
    DX53 GI/GA/ZM 140 - 260 270 - 380 30 - -
    DX54 GI 120 - 220 260 - 350 36 1.6 4 0.18
    DX54 GA/ZM 120 - 220 260 - 350 34 1.4 4 0.18
    DX56 GI 120 - 180 260 - 350 39 1.9 4 0.21
    DX56 GA/ZM 120 - 180 260 - 350 37 1.7 4, 5 0.20 5
    DX57 GI 120 - 170 260 - 350 41 2.1 4 0.22
    DX57 GA/ZM 120 - 170 260 - 350 39 1.9 4, 5 0.21 5
    DX57 HyperForm
    GI 120 - 160 260 - 310 43 2.3 0.225

    1. If the yield point is not pronounced, the values apply to the 0.2% - proof strength Rp0.2 ; if the yield 
       strength is pronounced, the values apply to the lower yield point ReL.
    2. Decreased minimum elongation values apply for product thickness t ≤ 0.50mm (minus 4 units)
       and for 0.50mm ≤ t ≤ 0.70mm (minus 2 units).
    3. This value applies to skin-passed products only (surface qualities B and C).
    4. For t > 1.5mm, the minimum r90-value reduced by 0.2 applies
    5. For t ≤ 0.7mm, the minimum r90-value reduced by 0.2 and minimum n90-value reduced by 0.01
       apply.

    Chemical composition

    Tata Steel complies with the following cast analysis with maximum values in weight percentages.

     

    C

    Mn

    P

    S

    Al

    N

    Ti

    Grade

    Max.

    Max.

    Max.

    Max.

    Min.

    Max.

    Max.

    DX51

    0.180

    1.20

    0.12

    0.045

    -

    -

    0.30

    DX52

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX53

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX54

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX56

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX57

    0.120

    0.60

    0.10

    0.045

    -

    -

    0.30

    DX57 HyperForm

    0.120 0.60 0.10 0.045 - - 0.30

    All values in weight%.

     

    back to top

    Dimensions

    Dimensions

     

    Dimensional capability

    Galvanised (GI) and MagiZinc Auto (ZM) products

    Dimensions in mm.

    ThicknessMax. width
    From - up toDX51DX52DX53DX54DX56DX57DX57 
    HyperForm
    0.35 - 0.40 1370 - - - - - -
    0.40 - 0.45 1520 1520 - - - - -
    0.45 - 0.50 1520 1520 1520 1350 1350 - -
    0.50 - 0.55 1520 1520 1540 1500 1500 1450 -
    0.55 - 0.60 1590 1590 1640 1620 1620 1590 -
    0.60 - 0.65 1770 1770 1740 1730 1730 1780 1800
    0.65 - 0.70 1870 1870 1830 1870 1870 1890 1820
    0.70 - 0.75 1890 1890 1910 1970 1970 1930 1780
    0.75 - 0.80 1990 1990 1950 1970 1970 1900 1710
    0.80 - 0.90 2020 2020 2000 1970 1970 1820 1600
    0.90 - 1.00 2020 2020 2000 1970 1970 1770 1490
    1.00 - 1.10 2020 2020 2000 1970 1970 1620 -
    1.10 - 1.20 2020 2020 2000 1970 1970 1490 -
    1.20 - 1.30 2020 2020 1940 1940 1940 - -
    1.30 - 1.40 2020 2020 1890 1840 1840 - -
    1.40 - 1.50 2020 2020 1830 1840 1840 - -
    1.50 - 1.60 2020 2020 1740 1840 1840 - -
    1.60 - 1.70 2020 2020 1640 1800 1800 - -
    1,70 - 1,75 2000 1970 1600 1720 1720 - -
    1.75 - 1.90 2000 1970 1530 1630 1630 - -
    1.90 - 2.00 2000 1970 1450 1530 1530 - -
    2.00 - 2.25 1580 1580 - - - - -
    2.25 - 2.40 1580 1580 - - - - -
    2.40 - 2.50 1580 1580 - - - - -

    The minimum width is 900mm.
    Surface condition MB, MC available, as well as surface finish Regular, Improved and Serica. 
    Serica premium surface finish availability can be found in our dedicated Serica page.
    Please contact us for thickness greater than 2.5mm.

     

    Galvannealed (GA) products

    Dimensions in mm.

    Thickness

    Max. width

    From - up to

    DX51

    DX52

    DX53

    DX54

    DX56

    DX57

    DX57 
    HyperForm

    0.40 - 0.50

    1350

    1350

    1350

    1350

    1350

    -

    -

    0.50 - 0.60

    1470

    1470

    1470

    1470

    1470

    -

    -

    0.60 - 0.65

    1730

    1730

    1730

    1730

    1730

    -

    -

    0.65 - 1.60

    1850

    1850

    1850

    1850

    1850

    -

    -

    1.60 - 1.75

    1680

    1680

    1680

    1680

    1680

    -

    -

    The minimum width is 900mm.
    For DX57, please contact us for available widths.

    Tolerances

    Tolerances comply with standard EN 10143:2006 (click here).
    Tighter tolerances are available on request.

     

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