S620QL1 STEEL PLATE

Quenched and tempered S620QL1,S620QL1 steel plate,S620QL1 steel sheet which is in EN 10025-6 technical delivery conditions for flat products of high yield strength structural steels.The steel making process of high strength steel plate S620QL1 shall be in accordance with EN 10025-1.If specified at the time of order the steel making process shall be reported to the purchaser.The low temperature impacting test for high strength steel plate S620QL1 should be done at minus 60 centigrade.

Technical Requirements & Additional Services for S620QL1 steel plate:
♦ Low temperature impacting test
♦ Quenching and Tempering heat treatment
♦ 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 S620QL1 steel plate:

Thickness (mm)
S620QL1	≥ 3 ≤ 50	> 50 ≤ 100	> 100
Yield strength (≥Mpa)	620	580	560
Tensile strength (Mpa)	700-890	700-890	650-830

►Chemical composition for S620QL1 steel plate (Heat Analysis Max%)

Main chemical elements composition of S620QL1 steel plate
C	Si	Mn	P	S	N	B	Cr
0.20	0.80	1.70	0.020	0.010	0.015	0.005	1.50
Cu	Mo	Nb	Ni	Ti	V	Zr
0.50	0.70	0.06	2.0	0.05	0.12	0.15