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  • Automotive - Cold-rolled - High-strength steel

    Tata Steel offers a range of steels for applications requiring high strength without the weight penalty.

    The range comprises micro-alloyed, rephosphorised and carbon manganese high-strength steels in cold-rolled uncoated condition. These steels are ideal for strong, thin-gauge products.

    • CR high-strength steels – strong, lightweighting

      Our high-strength steels are a popular choice in the automotive industry where they deliver benefits including dent resistance, crash resistance, formability and good weldability.

    • CR AHSS-UHSS: design freedom

      Our cold-rolled dual phase and hot forming grades include advanced and ultra high-strength steels.

      Originally developed for the demanding automotive market, they also meet a variety of performance and processing requirements for other advanced applications.

    Contact us

    Tata Steel

    Automotive

    PO Box 10.000, Dudokhuis

    1970 CA IJmuiden

    The Netherlands

    T +31 (0) 251 495748

    Overview

     

    Micro-alloyed grades

    Micro-alloyed grades have high-strength levels through precipitation and grain refinement hardening. Careful use of alloying elements ensures high mechanical resistance and good weldability. There is limited scope for cold forming.

    Tata Steel supplies high-strength micro-alloyed (HSLA) steel which complies with European standard EN 10268:2006.

    Bake-hardening grades

    Bake hardening steel gains extra strength after going through an automotive paint oven.  The benefit of this is a product with relatively good formability, combined with a higher strength final part.

    Rephosphorised grades

    These grades deliver high mechanical resistance and good suitability for cold forming due to solid solution hardening by phosphorus. Our rephosphorised grades are highly suited to the manufacture of car body panels and structural components because of their good resistance to impact and fatigue.

    Carbon manganese grades                                                                             

    Our carbon manganese product combines high strength with excellent formability for the most difficult cold forming applications.

     

    Applications

    Automotive components

    Relationship with standards

    Tata Steel can supply the following cold-rolled high-strength steel grades:

    Micro-alloyed grades

    Tata Steel VDA EN 10268:2006 EN 10268:2006
    Grade Grade Grade Grade
    HSLA260 CR240LA HC260LA H240LA
    HSLA300 CR300LA HC300LA H280LA
    HSLA340 CR340LA HC340LA H320LA
    HSLA380 CR380LA HC380LA H360LA
    HSLA420 CR420LA HC420LA

    H400LA

    Bake hardening grades

    Tata Steel VDA EN10338:2010
    Grade Grade Grade
    BH220 CR210BH

    HC220B

    Rephosphorised grades

    Tata Steel VDA SEW 094
    Grade Grade Grade
    P220 - ZSt E220P
    P260 - ZSt E260P

    Carbon manganese grades

    Tata Steel VDA
    Grade Grade
    HC300CM -

    The carbon manganese product is supplied to Tata Steel’s own standard.

     

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    Properties

     

    Mechanical properties

    The available grades have the following mechanical properties measured perpendicular to the rolling direction (transverse test pieces):

    Micro-alloyed grades

    Tata Steel

    Yield
    strength 1 Rp0.2

    Tensile strength Rm

    Min. elongation after fracture A 2

    Min. r-value r90 3

    Min. n-value n90

    Grade

    N/mm2

    N/mm2

    %

     

     

    HSLA260

    260 - 330

    350 - 430

    26

    -

    -

    HSLA300

    300 - 380

    380 - 480

    23

    -

    -

    HSLA340

    340 - 420

    410 - 510

    21

    -

    -

    HSLA380

    380 - 480

    440 - 560

    19

    -

    -

    HSLA420

    420 - 520

    470 - 590

    17

    -

    -

     

    Bake hardening grades

    Tata Steel

    Yield strength Re 1

    Tensile strength Rm

    Min. elongation after fracture A 2

    Min. r-value r90 3

    Min. n-value n90

    Min. BH2

    Grade

    N/mm2

    N/mm2

    %

     

     

    N/mm2

    BH220

    220 - 270

    320 - 400

    32

    1.5

    0.16

    35


     Rephosphorised grades

    Tata Steel

    Yield strength Re 1

    Tensile strength Rm

    Min. elongation after fracture A 2

    Min. r-value r90 3

    Min. n-value n90

    Grade

    N/mm2

    N/mm2

    %

     

     

    P220

    220 - 270

    320 - 400

    32

    1.3

    0.16

    P260

    260 - 320

    360 - 440

    29

    -

    -

    1. If the yield strength is pronounced (yield flag), the values apply to the lower yield point (ReL).
    2. When thickness ≤ 0.7mm, the minimum value for elongation is reduced by 2%.
    3. For products with thickness > 2mm the minimum r90 is reduced by 0.2.

     Carbon manganese grade

    Tata
    Steel

    Yield strength ReL

    Tensile strength Rm

    Min. elongation
    after fracture A

    Grade

    N/mm2

    N/mm2

    %

    HC300CM

    300 - 360

    440 - 500

    26

     

    Chemical composition

    Cold-rolled high-strength steels supplied by Tata Steel comply to the following cast analysis with maximum values in weight percentages unless otherwise shown:

    Micro-alloyed grades

    Tata Steel

    C

    Mn

    Si

    P

    S

    Al

    Ti 1

    Nb 1

    Grade

    Max.

    Max.

    Max.

    Max.

    Max.

    Min.

    Max.

    Max.

    HSLA260

    0.10

    0.6

    0.5

    0.025

    0.025

    0.015

    0.15

    -

    HSLA300

    0.10

    1.0

    0.5

    0.025

    0.025

    0.015

    0.15

    0.09

    HSLA340

    0.10

    1.1

    0.5

    0.025

    0.025

    0.015

    0.15

    0.09

    HSLA380

    0.10

    1.6

    0.5

    0.025

    0.025

    0.015

    0.15

    0.09

    HSLA420

    0.10

    1.6

    0.5

    0.025

    0.025

    0.015

    0.15

    0.09

    1. These additional elements may be used individually or in combination where they appear in the definition of the steel within the composition limits indicated. Vanadium and boron may also be added. However, the sum of the contents of these four dispersoidal elements shall not exceed 0.22%.
    Values in weight %.

     Bake hardening grades

    Tata Steel

    C

    Mn

    Si

    P

    S

    Al

    Ti

    Nb

    Grade

    Max.

    Max.

    Max.

    Max.

    Max.

    Min.

    Max.

    Max.

    BH220

    0.08

    0.7

    0.5

    0.085

    0.025

    0.015

    -

    -

    Values in weight %.

     Rephosphorised grades

    Tata Steel

    C

    Mn

    Si

    P

    S

    Al

    Ti

    Nb

    Grade

    Max.

    Max.

    Max.

    Max.

    Max.

    Min.

    Max.

    Max.

    P220

    0.07

    0.7

    0.5

    0.08

    0.025

    0.015

    -

    -

    P260

    0.08

    0.7

    0.5

    0.1

    0.025

    0.015

    -

    -

    Values in weight %.

     

    Carbon manganese grade

    Tata Steel

    C

    Mn

    Si

    P

    S

    Grade

    Max.

    Max.

    Max.

    Max.

    Max.

    HC300CM

    0.18

    1.40

    0.03

    0.025

    0.012

    Values in weight percentages.

     

     

     

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    Dimensions

    Dimensional Capability - Continuously annealed (CA).

    Dimensions in mm.

    Thickness Max. width        
    From - to HSLA260 HSLA300 HSLA340 HSLA380 HSLA420 BH220
    0.38 - 0.40 1390 - - - - -
    0.40 - 0.43 1330 - - - - -
    0.43 - 0.50 1390 - - - - -
    0.50 - 0.55 1515 1500 - - - 1400
    0.55 - 0.60 1515 1500 1500 - - 1400
    0.60 - 0.65 1600 1545 1515 1410 - 1400
    0.65 - 0.70 1600 1545 1515 1410 - 1400
    0.70 - 0.80 1710 1750 1515 1410 - 1400
    0.80 - 0.90 1710 1750 1515 1410 1300 1400
    0.90 - 0.95 1820 1750 1515 1410 1319 1400
    0.95 - 1.00 1820 1750 1515 1410 1319 1400
    1.00 - 1.10 1820 1750 1545 1484 1400 1400
    1.10 - 1.20 1820 1750 1545 1484 1400 1400
    1.20 - 1.28 1750 1750 1545 1484 1450 1400
    1.28 - 1.30 1750 1750 1545 1484 1450 1400
    1.30 - 1.40 1750 1750 1545 1484 1450 1400
    1.40 - 1.50 1750 1750 1545 1484 1450 1400
    1.50 - 1.60 1750 1750 1545 1484 1450 1400
    1.60 - 1.70 1750 1750 1545 1545 1450 1400
    1.70 - 1.80 1620 1750 1545 1545 1450 1400
    1.80 - 1.90 1500 1550 1500 1500 - 1400
    1.90 - 2.00 1500 1550 1500 1500 - 1400

    Minimum width is 821mm for HSLA300 and 900mm for B220. Minimum width is 825mm for all other grades.
    Please contact us for the available dimensions of HC300CM.
     

    For batch annealed (BA).

    Dimensions in mm.

    Thickness Max. width          
    From - to HSLA260LA HSLA300LA HSLA340LA HSLA380LA HSLA420LA P220 P260
    0.40 - 0.50 1590 - - - - - -
    0.50 - 0.55 1640 1520 - - - 1500 1500
    0.55 - 0.60 1670 1550 - - - 1500 1500
    0.60 - 0.65 1700 1570 1420 1380 1100 1800 1800
    0.65 - 0.70 1730 1590 1450 1430 1170 1800 1800
    0.70 - 0.80 1760 1620 1500 1480 1190 1800 1800
    0.80 - 0.90 1810 1680 1600 1580 1340 1800 1800
    0.90 - 1.00 1840 1710 1600 1600 1380 1800 1800
    1.00 - 1.10 1880 1750 1610 1620 1450 1800 1800
    1.10 - 1.20 1920 1780 1620 1650 1480 1800 1800
    1.20 - 1.30 1940 1810 1630 1680 1510 1800 1800
    1.30 - 1.40 1970 1830 1680 1700 1560 1800 1800
    1.40 - 1.50 1990 1850 1700 1720 1630 1800 1800
    1.50 - 1.60 2000 1870 1670 1700 1580 1800 1800
    1.60 - 1.70 2000 1910 1650 1680 1530 1800 1800
    1.70 - 1.80 2000 1910 1620 1650 1500 1800 1800
    1.80 - 1.90 2000 1900 1590 1640 1470 1800 1800
    1.90 - 2.00 2000 1870 1560 1630 1440 1800 1800
    2.00 - 2.10 2000 1840 1520 1610 1430 1800 1800
    2.10 - 2.20 2000 1810 1480 1500 1410 1800 1800
    2.20 - 2.30 1940 1770 1440 1420 1400 1700 1700
    2.30 - 2.40 1880 1720 1400 1360 1390 1700 1700
    2.40 - 2.50 1820 1670 1360 1300 1370 1600 1600
    2.50 - 2.60 1750 1640 1320 1240 1320 1600 1600
    2.60 - 2.70 1690 1570 1260 1200 1290 1600 1600
    2.70 - 2.80 1650 1520 1200 1150 1250 1400 1400
    2.80 - 2.90 1590 1460 1150 - 1210 1400 1400
    2.90 - 3.00 1530 1410 - - 1170 1400 1400

    Minimum width is 1050mm for HSLA380 and HSLA420. Minimum width is 900mm for the other grades.
    Other dimensions are available on request - please contact us.


    Tolerances

    Tolerances comply with standard EN 10131:2006 (click here).
    Tighter tolerances are available, please contact us for details.

     

     

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    Overview

    Overview

     

    Micro-alloyed grades

    Micro-alloyed grades have high-strength levels through precipitation and grain refinement hardening. Careful use of alloying elements ensures high mechanical resistance and good weldability. There is limited scope for cold forming.

    Tata Steel supplies high-strength micro-alloyed (HSLA) steel which complies with European standard EN 10268:2006.

    Bake-hardening grades

    Bake hardening steel gains extra strength after going through an automotive paint oven.  The benefit of this is a product with relatively good formability, combined with a higher strength final part.

    Rephosphorised grades

    These grades deliver high mechanical resistance and good suitability for cold forming due to solid solution hardening by phosphorus. Our rephosphorised grades are highly suited to the manufacture of car body panels and structural components because of their good resistance to impact and fatigue.

    Carbon manganese grades                                                                             

    Our carbon manganese product combines high strength with excellent formability for the most difficult cold forming applications.

     

    Applications

    Automotive components

    Relationship with standards

    Tata Steel can supply the following cold-rolled high-strength steel grades:

    Micro-alloyed grades

    Tata Steel VDA EN 10268:2006 EN 10268:2006
    Grade Grade Grade Grade
    HSLA260 CR240LA HC260LA H240LA
    HSLA300 CR300LA HC300LA H280LA
    HSLA340 CR340LA HC340LA H320LA
    HSLA380 CR380LA HC380LA H360LA
    HSLA420 CR420LA HC420LA

    H400LA

    Bake hardening grades

    Tata Steel VDA EN10338:2010
    Grade Grade Grade
    BH220 CR210BH

    HC220B

    Rephosphorised grades

    Tata Steel VDA SEW 094
    Grade Grade Grade
    P220 - ZSt E220P
    P260 - ZSt E260P

    Carbon manganese grades

    Tata Steel VDA
    Grade Grade
    HC300CM -

    The carbon manganese product is supplied to Tata Steel’s own standard.

     

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    Properties

    Properties

     

    Mechanical properties

    The available grades have the following mechanical properties measured perpendicular to the rolling direction (transverse test pieces):

    Micro-alloyed grades

    Tata Steel

    Yield
    strength 1 Rp0.2

    Tensile strength Rm

    Min. elongation after fracture A 2

    Min. r-value r90 3

    Min. n-value n90

    Grade

    N/mm2

    N/mm2

    %

     

     

    HSLA260

    260 - 330

    350 - 430

    26

    -

    -

    HSLA300

    300 - 380

    380 - 480

    23

    -

    -

    HSLA340

    340 - 420

    410 - 510

    21

    -

    -

    HSLA380

    380 - 480

    440 - 560

    19

    -

    -

    HSLA420

    420 - 520

    470 - 590

    17

    -

    -

     

    Bake hardening grades

    Tata Steel

    Yield strength Re 1

    Tensile strength Rm

    Min. elongation after fracture A 2

    Min. r-value r90 3

    Min. n-value n90

    Min. BH2

    Grade

    N/mm2

    N/mm2

    %

     

     

    N/mm2

    BH220

    220 - 270

    320 - 400

    32

    1.5

    0.16

    35


     Rephosphorised grades

    Tata Steel

    Yield strength Re 1

    Tensile strength Rm

    Min. elongation after fracture A 2

    Min. r-value r90 3

    Min. n-value n90

    Grade

    N/mm2

    N/mm2

    %

     

     

    P220

    220 - 270

    320 - 400

    32

    1.3

    0.16

    P260

    260 - 320

    360 - 440

    29

    -

    -

    1. If the yield strength is pronounced (yield flag), the values apply to the lower yield point (ReL).
    2. When thickness ≤ 0.7mm, the minimum value for elongation is reduced by 2%.
    3. For products with thickness > 2mm the minimum r90 is reduced by 0.2.

     Carbon manganese grade

    Tata
    Steel

    Yield strength ReL

    Tensile strength Rm

    Min. elongation
    after fracture A

    Grade

    N/mm2

    N/mm2

    %

    HC300CM

    300 - 360

    440 - 500

    26

     

    Chemical composition

    Cold-rolled high-strength steels supplied by Tata Steel comply to the following cast analysis with maximum values in weight percentages unless otherwise shown:

    Micro-alloyed grades

    Tata Steel

    C

    Mn

    Si

    P

    S

    Al

    Ti 1

    Nb 1

    Grade

    Max.

    Max.

    Max.

    Max.

    Max.

    Min.

    Max.

    Max.

    HSLA260

    0.10

    0.6

    0.5

    0.025

    0.025

    0.015

    0.15

    -

    HSLA300

    0.10

    1.0

    0.5

    0.025

    0.025

    0.015

    0.15

    0.09

    HSLA340

    0.10

    1.1

    0.5

    0.025

    0.025

    0.015

    0.15

    0.09

    HSLA380

    0.10

    1.6

    0.5

    0.025

    0.025

    0.015

    0.15

    0.09

    HSLA420

    0.10

    1.6

    0.5

    0.025

    0.025

    0.015

    0.15

    0.09

    1. These additional elements may be used individually or in combination where they appear in the definition of the steel within the composition limits indicated. Vanadium and boron may also be added. However, the sum of the contents of these four dispersoidal elements shall not exceed 0.22%.
    Values in weight %.

     Bake hardening grades

    Tata Steel

    C

    Mn

    Si

    P

    S

    Al

    Ti

    Nb

    Grade

    Max.

    Max.

    Max.

    Max.

    Max.

    Min.

    Max.

    Max.

    BH220

    0.08

    0.7

    0.5

    0.085

    0.025

    0.015

    -

    -

    Values in weight %.

     Rephosphorised grades

    Tata Steel

    C

    Mn

    Si

    P

    S

    Al

    Ti

    Nb

    Grade

    Max.

    Max.

    Max.

    Max.

    Max.

    Min.

    Max.

    Max.

    P220

    0.07

    0.7

    0.5

    0.08

    0.025

    0.015

    -

    -

    P260

    0.08

    0.7

    0.5

    0.1

    0.025

    0.015

    -

    -

    Values in weight %.

     

    Carbon manganese grade

    Tata Steel

    C

    Mn

    Si

    P

    S

    Grade

    Max.

    Max.

    Max.

    Max.

    Max.

    HC300CM

    0.18

    1.40

    0.03

    0.025

    0.012

    Values in weight percentages.

     

     

     

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    Dimensions

    Dimensions

    Dimensional Capability - Continuously annealed (CA).

    Dimensions in mm.

    Thickness Max. width        
    From - to HSLA260 HSLA300 HSLA340 HSLA380 HSLA420 BH220
    0.38 - 0.40 1390 - - - - -
    0.40 - 0.43 1330 - - - - -
    0.43 - 0.50 1390 - - - - -
    0.50 - 0.55 1515 1500 - - - 1400
    0.55 - 0.60 1515 1500 1500 - - 1400
    0.60 - 0.65 1600 1545 1515 1410 - 1400
    0.65 - 0.70 1600 1545 1515 1410 - 1400
    0.70 - 0.80 1710 1750 1515 1410 - 1400
    0.80 - 0.90 1710 1750 1515 1410 1300 1400
    0.90 - 0.95 1820 1750 1515 1410 1319 1400
    0.95 - 1.00 1820 1750 1515 1410 1319 1400
    1.00 - 1.10 1820 1750 1545 1484 1400 1400
    1.10 - 1.20 1820 1750 1545 1484 1400 1400
    1.20 - 1.28 1750 1750 1545 1484 1450 1400
    1.28 - 1.30 1750 1750 1545 1484 1450 1400
    1.30 - 1.40 1750 1750 1545 1484 1450 1400
    1.40 - 1.50 1750 1750 1545 1484 1450 1400
    1.50 - 1.60 1750 1750 1545 1484 1450 1400
    1.60 - 1.70 1750 1750 1545 1545 1450 1400
    1.70 - 1.80 1620 1750 1545 1545 1450 1400
    1.80 - 1.90 1500 1550 1500 1500 - 1400
    1.90 - 2.00 1500 1550 1500 1500 - 1400

    Minimum width is 821mm for HSLA300 and 900mm for B220. Minimum width is 825mm for all other grades.
    Please contact us for the available dimensions of HC300CM.
     

    For batch annealed (BA).

    Dimensions in mm.

    Thickness Max. width          
    From - to HSLA260LA HSLA300LA HSLA340LA HSLA380LA HSLA420LA P220 P260
    0.40 - 0.50 1590 - - - - - -
    0.50 - 0.55 1640 1520 - - - 1500 1500
    0.55 - 0.60 1670 1550 - - - 1500 1500
    0.60 - 0.65 1700 1570 1420 1380 1100 1800 1800
    0.65 - 0.70 1730 1590 1450 1430 1170 1800 1800
    0.70 - 0.80 1760 1620 1500 1480 1190 1800 1800
    0.80 - 0.90 1810 1680 1600 1580 1340 1800 1800
    0.90 - 1.00 1840 1710 1600 1600 1380 1800 1800
    1.00 - 1.10 1880 1750 1610 1620 1450 1800 1800
    1.10 - 1.20 1920 1780 1620 1650 1480 1800 1800
    1.20 - 1.30 1940 1810 1630 1680 1510 1800 1800
    1.30 - 1.40 1970 1830 1680 1700 1560 1800 1800
    1.40 - 1.50 1990 1850 1700 1720 1630 1800 1800
    1.50 - 1.60 2000 1870 1670 1700 1580 1800 1800
    1.60 - 1.70 2000 1910 1650 1680 1530 1800 1800
    1.70 - 1.80 2000 1910 1620 1650 1500 1800 1800
    1.80 - 1.90 2000 1900 1590 1640 1470 1800 1800
    1.90 - 2.00 2000 1870 1560 1630 1440 1800 1800
    2.00 - 2.10 2000 1840 1520 1610 1430 1800 1800
    2.10 - 2.20 2000 1810 1480 1500 1410 1800 1800
    2.20 - 2.30 1940 1770 1440 1420 1400 1700 1700
    2.30 - 2.40 1880 1720 1400 1360 1390 1700 1700
    2.40 - 2.50 1820 1670 1360 1300 1370 1600 1600
    2.50 - 2.60 1750 1640 1320 1240 1320 1600 1600
    2.60 - 2.70 1690 1570 1260 1200 1290 1600 1600
    2.70 - 2.80 1650 1520 1200 1150 1250 1400 1400
    2.80 - 2.90 1590 1460 1150 - 1210 1400 1400
    2.90 - 3.00 1530 1410 - - 1170 1400 1400

    Minimum width is 1050mm for HSLA380 and HSLA420. Minimum width is 900mm for the other grades.
    Other dimensions are available on request - please contact us.


    Tolerances

    Tolerances comply with standard EN 10131:2006 (click here).
    Tighter tolerances are available, please contact us for details.

     

     

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