Q550F STEEL PLATE

Quenching and tempering steel grade Q550F steel plate,Q550F plate,Q550F metal plate supplies comply to GB/T 16270 and GB/T 3274 specification.Low temperature charp V-notch impact test shall be done for Q550F steel plate,Q550F plate,Q550F metal plate.Z15,Z25,Z35 test for heavy thickness Q550F steel plate.

Technical Requirements & Additional Services for Q550F 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 Q550F steel plate:

Thickness(mm)	Yield strength (≥Mpa)	Tensile strength (Mpa)	Elongation in ≥, A %
T≤50	550	640-820	16
50<T≤100	530	640-820
100<T	490	590-770

►Chemical composition for GB/T 16270 Q550F steel plate (Heat Analysis Max%)

 

Main chemical elements composition of GB/T 16270 Q550F steel plate
C	Si	Mn	P	S	Cu	Cr
0.20	0.80	1.70	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	-