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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 600mm and more, supplied in coils

Strips

cut from wide strips, width less than 600mm, supplied in coils

Sheets

sheets cut from wide strips supplied in sheets

KEY FEATURES

HCT450X, HCT490X, HCT590X, HCT780X

Grades according to EN 10346:2015

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 10346:2015 or -GI coating designation according to VDA 239-100:2016) and/or zinc-iron alloy coating (+ZF - coating designation according to EN 10346:2015 or -GA coating designation according to VDA 239-100:2016)

TECHNICAL SPECIFICATION

CHEMICAL COMPOSITION

Grades according to
EN 10346:2015
VDA 239-100:2016		 Heat analysis in %
CMAX SiMAX MnMAX PMAX SMAX Al Cr+Mo(max) Nb+Ti(max) VMAX BMAX CuMAX
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, -GA1) 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, -GA1) 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 10346:2015
VDA 239-100:2016		 Rp0,2
[MPa]		 Rm
[MPa]		 A MIN (%)
Lo = 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, -GA2) 250 - 330 440 - 550 27 0,16 30
HCT490X+Z, +ZF 290 - 380 min. 490 24 (22)1) 0,15 30
CR290Y490T-DP-GI, -GA2) 290 - 380 490 - 600 24 0,15 30
HCT590X+Z, +ZF 330 - 430 min. 590 20 (18)1) 0,14 30
CR330Y590T-DP-GI, -GA2) 330 - 430 590 - 700 20 0,14 30
CR330Y590T-DH-GI, -GA2) 330 - 430 590 - 700 26 0,16 30
HCT780X+Z, +ZF 440 - 550 min. 780 14 (12)1) - 30
CR440Y780T-DP-GI, -GA2) 440 - 550 780 - 900 14 0,11 30
CR440Y780T-DH-GI, -GA2) 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 1000 1100 1250 1300 1400 1500
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 1240 1260 1400 1500
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 cca 500 max. 1 400 40 - 600
(depending on sheet thickness)		 3 - 9,9
cca 600
2 - 9,4

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 10143:2006. Tighter tolerances by agreement.

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

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