A516 Grade 55 STEEL PLATE

A516Gr55 steel plate,also named as pressure vessel steel plate A516 Grade 55 ,A516Gr55 steel sheet are mainly used for moderate and lower temperature welded boilers. and other pressure vessels where improved notch toughness is important.Steel plate A516 Grade 55 supplied to steel standard A516/A516M shall conform to specification A20/A20M which specification for general requirements for steel plates for pressure vessels.These requirements outline the testing and retesting methods and procedures,permissible variations in dimensions,and mass,quality and repair of defects,marking,loading and so on.

Technical Requirements & Additional Services for A516Gr55 steel plate:
♦  High tension test
♦  Low temperature impacting test
♦  Normalised for thick plates over 40mm
♦  Simulated post-welded heat treatment (PWHT)
♦  Rolling under standard NACE MR-0175 (HIC+SSCC)
♦  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 A516 Grade 55 steel plate:

Yield strength (Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
205	380-515	200mm	50mm
		23	27

 
►Chemical composition for A516 Grade 55 steel plate (Product Analysis Max%)

Main chemical elements composition of A516 Grade 55 steel plate
Thickness(mm)	C	Si	Mn	P	S
T≤12.5	0.18	0.13-0.45	0.55-0.98	0.035	0.035
12.5<T≤50	0.20		0.55-1.30
50<T≤100	0.22
100<T≤200	0.24
T>200	0.26