Q690C STEEL PLATE

High strength weldable steel material Q690C steel plate,Q690C steel sheet,Q690C metal plate mainly used for large ships,Bridges,power plant equipment,medium and high pressure boilers and high pressure vessels in advantage of its high yield strength and tensile strength values.

Technical Requirements & Additional Services for Q690C 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 Q690C 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 Q690C steel plate (Heat Analysis Max%)

 

Main chemical elements composition of GB/T 16270 Q690C steel plate
C	Si	Mn	P	S	Cu	Cr
0.20	0.80	1.80	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	-