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DUAL-PHASE STEEL

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In category Hot Dip Galvanized steel

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CHARACTERISTICS

The dual phase steels (DP) and dual phase steels with high ductility (DH) is a versatile material for the automotive industry due to its improved formability, capacity to absorb crash energy, and ability to resist fatigue.

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

HCT450X, HCT490X, HCT590X, HCT780X

Grades according to EN 10346

CR290Y490T-DP, CR330Y590T-DP, CR440Y780T-DP, CR440Y780T-DH

Grades according to VDA 239-100:2016

CR250Y440T-DP, CR330Y590T-DH

Grades according to VW 50065:2019

and in the corresponding grades according to international (ISO) or national technical standards (DIN, JIS, ASTM, ....)

Grades are produced with zinc coating (+Z - coating designation according to EN 10346 or -GI coating designation according to VDA 239-100:2016) and/or zinc-iron alloy coating (+ZF - coating designation according to EN 10346 or -GA 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. Si max. Mn max. P max. S max. Al Cr+Mo max. Nb+Ti max. V max. B max. Cu max.
HCT450X+Z, +ZF 0,14 0,75 2,00 0,080 0,015 0,015 - 1,00 1,00 0,15 0,20 0,005 -
CR250Y440T-DP-GI, -GA 1) 0,15 0,50 1,60 0,050 0,010 0,015 - 1,00 1,00 0,15 - 0,005 0,20
HCT490X+Z, +ZF 0,14 0,75 2,00 0,080 0,015 0,015 - 1,00 1,00 0,15 0,20 0,005 -
CR290Y490T-DP-GI, -GA 0,14 0,50 1,80 0,050 0,010 0,015 - 1,00 1,00 0,15 - 0,005 0,20
HCT590X+Z, +ZF 0,15 0,75 2,50 0,040 0,015 0,015 - 1,00 1,40 0,15 0,20 0,005 -
CR330Y590T-DP-GI, -GA 0,15 0,80 2,50 0,050 0,010 0,015 - 1,50 1,40 0,15 - 0,005 0,20
CR330Y590T-DH-GI, -GA 1) 0,15 0,80 2,50 0,050 0,010 0,015 - 1,50 1,40 0,15 - 0,005 0,20
HCT780X+Z, +ZF 0,18 0,80 2,50 0,080 0,015 0,015 - 2,00 1,40 0,15 0,20 0,005 -
CR440Y780T-DP-GI, -GA 0,18 0,80 2,50 0,050 0,010 0,015 - 1,00 1,40 0,15 - 0,005 0,20
CR440Y780T-DH-GI, -GA 0,18 0,80 2,50 0,050 0,010 0,015 - 1,00 1,40 0,15 - 0,005 0,20

1) according to VW 50065:2019 

MECHANICAL PROPERTIES 

Grades according to
EN 10346
VDA 239-100:2016 		Rp0,2 [MPa] Rm [MPa] A [%] min.
L0 = 80 mm 		n0 min. Index BH effect BH2
[MPa] min.
HCT450X+Z, +ZF 260 - 340 min. 450 27 (25) 1) 0,16 30
CR250Y440T-DP-GI, -GA 2) 250 - 330 440 - 550 27 0,16 30
HCT490X+Z, +ZF 290 - 380 min. 490 24 (22) 1) 0,15 30
CR290Y490T-DP-GI, -GA 2) 290 - 380 490 - 600 24 0,15 30
HCT590X+Z, +ZF 330 - 430 min. 590 20 (18) 1) 0,14 30
CR330Y590T-DP-GI, -GA 2) 330 - 430 590 - 700 20 0,14 30
CR330Y590T-DH-GI, -GA 2) 330 - 430 590 - 700 26 0,16 30
HCT780X+Z, +ZF 440 - 550 min. 780 14 (12) 1) - 30
CR440Y780T-DP-GI, -GA 2) 440 - 550 780 - 900 14 0,11 30
CR440Y780T-DH-GI, -GA 2) 440 - 550 780 - 900 18 0,13 30

1) valid for ZF surface
2) reduction of the prescribed values for GA coated products graded by thickness:

    t < 0,60 mm  - 4    
    0,60 mm ≤ t ≤ 1,60 mm - 2    
    t > 0,60 mm - 2    

 

DIMENSIONS OF SHEETS AND COILS

HCT450X...; CR250Y440T-DP...

Nominal thickness [mm] Šírka [mm]
800 1 000 1 100 1 250 1 300 1 400 1 500
0,45 - 0,75          
0,76 - 0,95        
0,96 - 1,45      
1,46 - 2,00    

DIMENSIONS OF SHEETS AND COILS

HCT490X...; CR290Y490T... AND HIGHER

Nominal thickness [mm] Width [mm]
800 1 240 1 260 1 400 1 500
0,45 - 0,79          
0,80 - 0,99        
1,00 - 1,49      
1,50 - 2,00    
Nominal thickness [mm] Sheet length [mm] Coil diameter [mm] Slit coil width Nominal coil weight
[kg.mm-1 of width]
inner outer
0,46 - 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

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