P355GH STEEL PLATE

With the yiled strength at 355 Mpa,P355GH,P355GH steel plate,P355GH steel sheet shall be done heat treatment under Normalised.For the additional technicals,SPWHT-Simulated Post Welded Heat treatment and Ultrasonic test,P355GH steel is normally adopted.Pressure vessel steel plate P355GHwhich according to standard EN 10028-2 are mainly specified in elevated temperature working surroundings and normally used to low strength welded boilers and pressure tanks&vessels.

Technical Requirements & Additional Services for P355GH steel plate:
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands 

►Mechnical property for P355GH steel plate:

Thickness(mm)	Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
T≤16	355	510-650	20
16<T≤40	345
40<T≤60	335
60<T≤100	315	490-630
100<T≤150	295	480-630
150<T	280	470-630

►Chemical composition for P355GH steel plate (Heat Analysis Max%)

Main chemical elements composition of P355GH steel plate
C	Si	Mn	P	S	Al (total)	N	Cr
0.10-0.22	0.60	1.10-1.70	0.025	0.015	≥0.020	0.012	0.30
Cu	Mo	Nb	Ni	Ti	V	Cr+Cu+Mo+Ni
0.30	0.08	0.020	0.30	0.03	0.02	0.70