Carbon steel thyssenkrupp

Dual-phase steel | HCT450X - HCT980XG

Choose your dual-phase steel here in grades HCT450X, HCT490X, HCT590X, HCT780X, HCT980X and HCT980XG.

The experts at our locations are happy to advise you. We look forward to hearing from you.

Properties of Dual-phase steel | DIN EN 10 338

Steel type

Short designationVDA239-100*Material number
HCT450X-1.0937
HCT490XCR290Y490T-DP1.0939
HCT590XCR330Y590T-DP1.0941
HCT780XCR440Y780T-DP1.0943
HCT980XCR590Y980T-DP1.0944
HCT980XGCR700Y980T-DP1.0997

* Comparative grade, therefore minor deviations from DIN EN values possible

Mechanical properties (longitudinal)

Short designationProof stress Rp0,2 MPaTensile strength Rm MPaElongation at fracture A801) % min.Strain hardening exponent nn10-UE min.Bake hardening index BH2 min.
HCT450X260-340450270.1630
HCT490X290-380490240.1530
HCT590X330-430590200.1430
HCT780X440-55078014-30
HCT980X590-74098010-30
HCT980XG700-8509808-30

Chemical composition (heat analysis)

Short designationPercentage by weight % max.
CSiMnPSAItotal (span)Cr+MoNb+TiVB
HCT450X0.140.752.000.0800.0150.015-1.01.000.150.200.005
HCT490X0.140.752.000.0800.0150.015-1.01.000.150.200.005
HCT590X0.150.752.500.0400.0150.015-1.51.400.150.200.005
HCT780X0.180.802.500.0800.0150.015-2.01.400.150.200.005
HCT980X0.201.002.900.0800.0150.015-2.01.400.150.200.005
HCT980XG0.231.002.900.0800.0150.015-2.01.400.150.200.005

Your product of choice: HCT450X - HCT980XG

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1) Reduced minimum values of elongation at fracture apply to product thicknesses t < 0.60 mm (minus 2 units).