Q390D STEEL PLATE

Low temperature impacting high tensile strength Q390D steel plate shall be done impacting test at -20 Deg.C with Minimum impacting energy value at 34J on longitudinal and 27J on transverse.There are other steel grades as hot rolled Q390B steel plate,hot rolled Q390C steel plate in steel standard GB/T 1591:2018.

Technical Requirements & Additional Services for Q390D steel plate:
♦ Cutting,Welding,Machining,Milling as per end user’s CAD drawing
♦ More striction on some chemical elements contains for special applications
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Non-destructive inspection under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578 
♦ Shot blasting comply to SA 2.5 or SSPC and painting with shop primer.

►Mechnical property for GB/T 1591-2018 Q390D STEEL PLATE

Mechanical Property for Q390D steel plate
	Thickness (mm)
Yield strength (≥Mpa)	T≤16	16<T≤40	40<T≤63	63<T≤80	80<T≤100	100<T≤150	150<T
	390	380	360	340	340	320	320
Tensile strength (Mpa)	T≤100				100<T
	490-650				470-620

►Chemical composition for GB/T 1591-2018 Q390D STEEL PLATE (Heat Analysis Max%)

Main chemical elements composition of Q390D
C	Si	Mn	P	S	Nb	N
0.20	0.55	1.70	0.025	0.025	0.05	0.015
V	Ti	Cr	Ni	Cu	Mo
0.13	0.05	0.30	0.50	0.40	0.10