Q800C STEEL PLATE

Wide heavy steel plate Q800C,Q800C steel sheet,Q800C metal plate is application for high tensile strength weldable structures.Higher tensile than Q800C steel plate,there are Q890C steel plate,Q890D steel plate and Q960C steel plate in specification GB/T 16270 with quenching and tempering heat treatment.

Technical Requirements & Additional Services for Q800C steel plate:
♦ Quenching and tempering heat treatment
♦ Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578 

►Mechnical property for GB/T 16270 Q800C steel plate:

Thickness(mm)	Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥, A %
T≤50	800	840-1000	13
50<T≤100	740	800-1000
100<T	740	800-1000

►Chemical composition for GB/T 16270 Q800C steel plate (Heat Analysis Max%)

 

Main chemical elements composition of GB/T 16270 Q800C steel plate
C	Si	Mn	P	S	Cu	Cr
0.20	0.80	2.00	0.025	0.015	0.50	1.50
Ni	Mo	B	V	Nb	Ti	-
2.00	0.70	0.005	0.12	0.06	0.05	-