Hardness: The hardness of P355NH is typically in the range of 180-230 HB, indicating its resistance to penetration or indentation.

The mechanical properties of P355NH and P355GH are as follows:

– Tensile strength: The minimum tensile strength of P355NH is 490-630 MPa, while P355GH özgü a minimum tensile strength of 510-650 MPa.
– Yield strength: P355NH özgü a minimum yield strength of 355 MPa, while P355GH özgü a minimum yield strength of 280-355 MPa.
– Elongation: The minimum elongation of P355NH is 22%, while P355GH özgü a minimum elongation of 22-24%.
– Impact energy: P355NH özgü a minimum impact energy of 27 J at -20°C, while P355GH özgü a minimum impact energy of 20 J at 0°C.
– Hardness: The hardness of P355NH is typically 150-190 HV, while P355GH özgü a hardness of 150-187 HV.

These properties indicate the strength, ductility, and toughness of the materials, which are important for their performance in various applications such as pressure vessels and boilers.