P355QH STEEL PLATE

EN 10028-6 P355QH,P355QH steel plate,P355QH steel sheet,the necessary technical requirements shall contain low temperature impacting test,heat treatment under Quenched and Tempered,Ultrasonic test or examation at least according to ASTM A435/A435M or EN 10160 S0E2.Besides these technicals,boiler steel plate P355QH have to be done high temperature tensile test and low temperature impacting test under minus 20 centi degree.The end users have to indicate their needed temperature in this test when they release their purchase order to us.  

Technical Requirements & Additional Services for P355QH 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 P355QH steel plate:

Thickness (mm)
P355QH	≤ 50	> 50 ≤ 100	> 100
Yield strength (≥Mpa)	355	335	315
	≤ 100		> 100
Tensile strength (Mpa)	490-630		450-590

►Chemical composition for P355QH steel plate (Heat Analysis Max%)

Main chemical elements composition of P355QH steel plate
C	Si	Mn	P	S	B	N	Cr
0.16	0.40	1.50	0.025	0.015	0.005	0.015	0.30
Cu	Mo	Nb	Ni	Ti	V	Zr
0.30	0.25	0.05	0.50	0.03	0.06	0.05