P355NL1 STEEL PLATE

P355NL1,P355NL1 steel plate,P355NL1 steel sheet are mainly used for built and welded boilers and pressure vessels,so we call it as P355NL1 boiler steel plate and P355NL1 pressure vessel steel plate,P355NL1 boiler steel sheet and P355NL1 pressure vessel steel sheet.For improving weld property when using,XINSTEEL engineers suggest our end users,such as boiler and pressure vessel manufacturers choose the rolling technical PWHT which is simulated post welded heat treatment.Else,Ultrasonic test,Normalised and low temperature impacting test have to be done when rolling steel plate P355NL1.

Technical Requirements & Additional Services for P355NL1 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 P355NL1 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 P355NL1 steel plate (Heat Analysis Max%)

Main chemical elements composition of P355NL1 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