S420G2+QT STEEL PLATE

Quenched and tempered S420G2+QT,S420G2+QT steel plate,S420G2+QT steel sheet which is in EN 10225 technical delivery conditions for flat products of high yield strength structural steels.The low temperature impacting test for high strength steel plate S420G2+QT should be done at minus 40 centigrade,and these structural steel plate S420G2+QT is mainly used in oil and offshore platforms.Now Xinsteel can offer the maximum thickness for high tension oil platform steel plate S420G2+QT reach to 300mm with good steel property.

Technical Requirements & Additional Services for S420G2+QT steel plate:
♦ Z TEST (Z15,Z25,Z35)
♦ Low temperature impacting test
♦ 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 S420G2+QT steel plate:

Thickness (mm)
S420G2+QT steel plate	≤ 16	> 16 ≤ 40	> 40 ≤ 63	> 63 ≤ 80	> 80
Yield strength (≥Mpa)	420	400	390	380	380
	≤ 40		> 40
Tensile strength (Mpa)	≥500		≥480

►Chemical composition for S420G2+QT steel plate (Ladle Analysis Max%)

Main chemical elements composition of S420G2+QT steel plate
C	Si	Mn	P	S	Cr	Mo	Nb+V	Nb+V+Ti
0.14	0.15-0.55	1.65	0.020	0.007	0.25	0.25	0.09	0.11
Ni	Alt	Cu	N	Nb	Ti	V	Cr+Mo+Ni+Cu
0.70	0.015-0.055	0.30	0.010	0.040	0.025	0.080	0.90