P355NH is a pressure vessel steel grade that is used for elevated temperature service. It is commonly used in the fabrication of boilers, pressure vessels, and heat exchangers. The mechanical properties of P355NH include:

[ad_1] The mechanical properties of P355NH and P355GH are as follows:

P355NH:
– Minimum yield strength: 355 MPa
– Minimum tensile strength: 490 to 630 MPa
– Elongation: 22%
– Impact energy: Minimum value of 20 Joules at -20°C

P355GH:
– Minimum yield strength: 355 MPa
– Minimum tensile strength: 510 to 650 MPa
– Elongation: 22%
– Impact energy: Minimum value of 27 Joules at 0°C

Both materials have similar yield strength, tensile strength, and elongation values. However, P355GH özgü a slightly higher minimum tensile strength and impact energy compared to P355NH, indicating better mechanical properties.
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