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DP steel grades

DP steels for cold forming according to materials data sheets

Steel grade acc. to VDA 239-100 Steel grade acc. to DIN EN 10346 Material No.
CR250Y450T-DP* HCT450X 1.0937
CR290Y490T-DP HCT490X 1.0995
CR330Y590T-DP HCT590X 1.0996
CR330Y590T-DH*
CR440Y780T-DH
CR440Y780T-DP HCT780X* 1.0943
CR500Y780T-DP SZT800X* -
CR590Y980T-DP HCT980X 1.0944
CR660Y980T-DP HCT980X 1.0944
CR700Y980T-DP HCT980G 1.0997

Mechanical properties

Steel grade Yield strength Rp0.2 Tensile strength Rm Total elongation A80 Hardening exponent n90 BH2
MPa MPa % MPa
HCT450X 260 - 340 ≥ 450 ≥ 27 ≥ 0.16 ≥ 30
HCT490X 290 - 380 ≥ 490 ≥ 24 ≥ 0.15 ≥ 30
HCT590X 330 - 430 ≥ 590 ≥ 20 ≥ 0.14 ≥ 30
HCT780X 440 - 550 ≥ 780 ≥ 14 - ≥ 30
SZT800X 500 - 650 780 - 930 ≥ 10 - ≥ 40
HCT980X 590 - 740 ≥ 980 ≥ 10 - ≥ 30
HCT980X 660 - 810 980 - 1130 ≥ 10 - ≥ 30
HCT980G 700 - 850 ≥ 980 ≥ 8 - ≥ 30
© Salzgitter Flachstahl GmbH
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