What is the difference between A517 Gr.S and SA517 Gr.S steel plates

1. A517 Gr.S and SA517 Gr.S are the same grade, ASTM A517/A517M is equivalent to ASME SA-517/SA-517M.

2. A517 Gr.S steel plate executive standard: ASTM A517/A517M; SA517 Gr.S steel plate executive technical standard: ASME SA-517/SA-517M.

3. Chemical composition of A517 Gr.S and SA517 Gr.S steel plates:

C	Si	Mn	P	S	Mo	Nb	Ti
0.1-0.2	0.15-0.4	1.1-1.5	≤0.025	≤0.025	0.1-0.35	≤0.06	≤0.06

4. Mechanical properties of A517 Gr.S and SA517 Gr.S steel plates:

Delivery status	Thickness	Mechanical properties
QT	≤50mm	Rp0.2(MPa)	≥690	Or Rt0.5
		Rm(MPa)	795-930
		A50(%)	≥16
		Z(%)	≥45	Round sample; rectangular sample: Z≥35%

5. Delivery status of A517 Gr.S and SA517 Gr.S steel plates: quenching and tempering.

6. The main American standard pressure vessel steel plates of BBN steel are ASME/ASTM A202, A203, A204, A285, A299, A302, A387, A515, A516, A517, A533, A537, A612, A662, A841 steel plates, etc.

Are you also interested in further steel processing (machining)?

Just like you, 70% customers choose long-term cooperation with BBN steel not only for our good product and service quality, good reputation in the international market, but also for our experienced one-stop raw material supply and further steel processing!

Fabrication and Machining Service 24h Technical support