P355NH STEEL PLATE

P355NH,P355NH steel plate,P355NH steel sheet are for elevated temperature quality,so when rolling high temperature tensile testing is necessary for boiler steel plate P355NH.Xinsteel are stocking of thousands tons of pressure vessel plates with steel grades P275N boiler steel plate,P275NH steel sheet,P275NL1pressure vessel steel plate,P275NL2 steel plate,P355N boiler steel plate,P355N steel plate,P355NL1 steel plate,P355NL2 steel plate.These boiler steel plates with good mechanical property and correct mechincal composition.For gurantee the stock quality,we offer the original mill test certificates along with stock steel plates.

Technical Requirements & Additional Services for P355NH 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 P355NH steel plate:

Thickness(mm)	Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
T≤16	355	490-630	22
16<T≤40	345
40<T≤60	335
60<T≤100	315	470-610	21
100<T≤150	305	460-600
150<T	295	450-590

►Chemical composition for P355NH steel plate (Heat Analysis Max%)

Main chemical elements composition of P355NH steel plate
C	Si	Mn	P	S	Al (total)	N	Cr
0.18	0.50	1.10-1.70	0.025	0.015	≥0.020	0.012	0.30
Cu	Mo	Nb	Ni	Ti	V	Nb+Ti+V
0.30	0.08	0.05	0.50	0.03	0.10	0.12