Oct 24, 2016 · EN 10028 P355GH. Widely used throughout the petrochemical industry, P355GH is a pressure vessel steel grade as specified under the Euro Norm standard (EN10028) which has superseded British Standard and DIN standard equivalents.
P355NL1 material is a pressure vessel steel grade under EN 10028-3 standard. P355NL1 plates dimensions and tolerance on dimensions should be according to EN 10028-1. P355GH steel under EN10028-2 is a kind of material for boiler and pressure vessel steel. With the yiled strength at 355 Mpa, P355GH steel plates shall be done heat treatment under Normalised.