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EN 10216 Pressure vessel used P355GH steel tube and P265GH steel tube
Source:Xin Steel Industry Date:2021/06/24
EN 10216 Pressure vessel used P355GH steel tube and P265GH steel tube are non-alloy steel tubes with specified elevated temperature properties.In specification EN 10216-2,P355GH steel tube and P265GH steel tube are both seamless type,the capital letter P is for pressure vessel purposes,and the symbol GH is for elevated temperature.355 and 265 means minimum yield strength value.Steel materials shall be fully killed for making P355GH seamless steel tube and P265GH seamless steel tube.
Heat treatment with normalized at temperature 880℃-940℃ shall be done for P355GH steel tube and P265GH steel tube,and cooling medium is air.In EN 10216 specification,there are other alloy seamless steel tubes as 16Mo3 steel tube,13CrMo4-5 steel tube,10CrMo9-10 steel tube,11CrMo9-10 steel tube,25CrMo4 steel tube,X10CrMoVNb9-1 steel tube,X20CrMoV11-1 steel tube.
Table for P355GH steel tube and P265GH steel tube with chemical composition and mechanical properties:
P355GH vs P265GH Chemical composition: Heat Analysis Max% Standard Grade C Mn P S Si N Alt min. Cr Cu EN 10216-2 P355GH 0.1-0.22 1.1-1.7 0.025 0.010 0.60 0.012 0.02 0.30 0.30 EN 10216-2 P265GH 0.20 0.8-1.5 0.025 0.010 0.40 0.012 0.02 0.30 0.30 Mechanical Properties: Thickness Yield strength Tensile strength Mpa Min. Mpa EN 10216-2 P355GH T≤16 355 510-650 EN 10216-2 P265GH T≤16 265 410-530