A515 Grade 70 STEEL PLATE

Pressure vessel application a515 grade 70,a515gr70 steel plate,a516gr70 steel sheet owned tensile strength within 485-620 Mpa.,and the minimum yield strength shall be above 260 Mpa.The steel grade A515 Grade 70 contains a higher carbon contains comparing with A515 Grade 60 and A515 Grade 65.ASTM A515 Grade 70 are carbon silicon steel plate for building boilers and pressure vessels in intermediate and higher temperature services.There are three steel grades A515 Grade 60 boiler steel plate,A515 Grade 65 boiler steel plate and A515Gr70 steel plate owning to different yield strength and tensile strength.

Technical Requirements & Additional Services for A515Gr70 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 A515 Grade 70 steel plate

Yield strength (Mpa)	Tensile strength (Mpa)	Elongation in ≥,%
260	485-620	200mm	50mm
		17	21

►Chemical composition for A515 Grade 70 steel plate (Product Analysis Max%)

Main chemical elements composition of A515 Grade 70 steel plate
Thickness(mm)	C	Si	Mn	P	S
T≤25	0.24	0.13-0.45	0.98	0.025	0.025
25<T≤50	0.27
50<T≤100	0.29
T>100	0.31