Q690F STEEL PLATE

Low temperature impacting test material Q690F steel plate,Q690F plate,Q690F metal plate shall be done charp v-notch impact test under minus 60 degrees celsius.Q690F steel plate and Q690 Metal plate shall be done heat treatment normally with Quenched and Tempered,if customer required,TMCP and Tempered heat treatment also can be done for Q690F steel plate when supplies.

Technical Requirements & Additional Services for Q690F steel plate:
♦ Quenching and tempering heat treatment
♦ Low temperature impacting test at -60 ℃
♦ 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 Q690F steel plate:

Thickness(mm)	Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥, A %
T≤50	690	770-940	14
50<T≤100	650	760-930
100<T	630	710-900

►Chemical composition for GB/T 16270 Q690F steel plate (Heat Analysis Max%)

 

Main chemical elements composition of GB/T 16270 Q690F steel plate
C	Si	Mn	P	S	Cu	Cr
0.20	0.80	1.80	0.020	0.010	0.50	1.50
Ni	Mo	B	V	Nb	Ti	-
2.00	0.70	0.005	0.12	0.06	0.05	-