S420G1+M STEEL PLATE

EN 10225 S420G1+M,S420G1+M steel plate,S420G1+M steel sheet is mainly used in steel structures.This steel standard specification S420 includes four different steel grades S420G1+QT,S420G1+M,S420G2+QT and S420G2+M.They have owned different chemical composition and mechanical property.Oil and offshore platform steel plate S420G1+M owned the minimum yield strength at 420Mpa,and the tensile strength shall be above 500 Mpa.TMCP heat treatment is necessary for steel plate S420G1+M for any thickness when rolling.

Technical Requirements & Additional Services for S420G1+M 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 S420G1+M steel plate:

Thickness (mm)
S420G1+M	≤ 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 S420G1+M steel plate (Ladle Analysis Max%)

Main chemical elements composition of S420G1+M steel plate
C	Si	Mn	P	S	Cr	Mo	Nb+V	Nb+V+Ti
0.14	0.15-0.55	1.65	0.020	0.010	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