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BAKE-HARDENING STEEL

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CHARACTERISTICS

These steels have a good suitability for cold forming and present a high resistance to plastic straining (which is increased on finished parts during heat treatment) and a good dent resistance.

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

HX180BD, HX220BD, HX260BD, HX300BD

Grades according to EN 10346

CR180BH, CR210BH, CR240BH, CR270BH

Grades according to VDA 239-100:2016

and in corresponding grades according to international (ISO), national technical standards (JIS, ASTM, ....) or other technical standards used in the automotive industry
Grades are produced with zinc coating (+Z - coating designation according to EN 10346 or -GI coating designation according to VDA 239-100:2016)

TECHNICAL SPECIFICATION

CHEMICAL COMPOSITION 

Grades according to
EN 10346
VDA 239-100:2016
Heat analysis in %
C max. Mn max. Si max. P max. S max. Al min. Ti max. Nb max. Cu max.
HX180BD+Z 0,06 0,70 0,50 0,060 0,025 0,015 0,12 0,09 -
CR180BH-GI 0,06 0,70 0,50 0,060 0,025 0,015 - - 0,20
HX220BD+Z 0,08 0,70 0,50 0,085 0,025 0,015 0,12 0,09 -
CR210BH-GI 0,08 0,70 0,50 0,085 0,025 0,015 - - 0,20
CR240BH-GI 0,10 1,00 0,50 0,100 0,030 0,015 - - 0,20
HX260BD+Z 0,10 1,00 0,50 0,100 0,030 0,010 0,12 0,09 -
CR270BH-GI 0,11 1,00 0,50 0,110 0,030 0,015 - - 0,20
HX300BD+Z 0,11 0,80 0,50 0,120 0,025 0,010 0,12 0,09 -

MECHANICAL PROPERTIES 

Grades according to
EN 10346
VDA 239-100:2016
Rp0,2  [MPa] R[MPa] A [%] min.
Lo = 80 mm
Index BH efektu BH2 [MPa] r90 / r0
min.
rm
min.
n90  / n0
min.
HX180BD+Z 180 - 240 290 - 360 34 min. 30 1,5 - 0,16
CR180BH-GI 180 - 240 290 - 370 34 min. 30 1,1 1,3 0,17
HX220BD+Z 220 - 280 320 - 400 32 min. 30 1,2 - 0,15
CR210BH-GI 210 - 270 320 - 400 32 min. 30 1,1 1,2 0,16
CR240BH-GI 240 - 300 340 - 440 29 min. 30 1,0 1,1 0,15
HX260BD+Z 260 - 320 360 - 440 28 min. 30 - - -
CR270BH-GI 270 - 330 360 - 460 27 min. 30 - - 0,13
HX300BD+Z 300 - 360 400 - 480 26 min. 30 - - -

grades according to EN 10346 tested in the transverse direction
grades according to VDA-239-100/16 tested in the longitudinal direction
 

DIMENSIONS OF SHEETS AND COILS

HX180BD+Z, CR180BH-GI

Nominal thickness [mm] 800 1 000 1 100 1 240 1 300 1 380 1 500
0,42 - 0,44              
0,45 - 0,49            
0,50 - 0,59          
0,60 - 0,69        
0,70 - 0,79      
1,00 - 2,00    

DIMENSIONS OF SHEETS AND COILS

HX220BD+Z, CR210BH-GI

Nominal thickness [mm] 800 1120 1 300 1 400 1 500
0,40 - 0,55          
0,56 - 0,85        
1,06 - 1,25      
1,26 - 2,00    

DIMENSIONS OF SHEETS AND COILS

HX300BD+Z

Nominal thickness [mm] 800 1 240 1 260 1 300 1 400 1 500
0,50 - 0,69            
0,70 - 0,79          
0,80 - 0,89        
0,90 - 1,19      
1,20 - 2,00    
Nominal thickness [mm] Sheet length [mm] Coil diameter [mm] Slit coil width Nominal coil weight
[kg.mm -1 of width]
inner outer
0,42 - 2,00 1 000 - 3 100 approx. 500 / 600 max. 1 400 40 - 600
(depending on sheet thickness)
2 - 9,9

Thickness is graded by 0,01 mm, width is graded by 5,0 mm, length is graded by 5 mm; nominal thickness includes zinc coat 

Dimensional tolerances according to EN 10143. Tighter tolerances by agreement.

If you need specific parameters that are not listed here, please contact us

Logistics information

We offer flexible product delivery with multiple options for packaging and methods of transportation.

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B A K E  -  H A R D E N I N G   S T E E L

CONTACT

CONTACT US PERSONALLY

Milan Beličák

Director Sales Czech Republic and Slovakia

    +421 556 734 598

    +421 903 601 790

    mbelicaksk.uss.com

Milan Malík

Director Sales Poland

  +421 556 734 654

  +421 903 627 471

  mmaliksk.uss.com

Eva Širilová

Director Sales West Europe

  +421 556 734 016

  +421 917 656 761

  esirillovask.uss.com

Ján Rohár

Director Sales South & East Europe and Export

  +421 556 734 596

  +421 903 616 433

  jroharsk.uss.com

Dušan Dzurovčin

Director Sales Austria

  +421 556 734 538

  +421 917 731 813

  ddzurovcinsk.uss.com

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