Applicability and Maximum Temp. Limits

The ASTM A516 Gr.70 (ASME SA-516 Gr.70) plates are applicable for the construction of power boilers (ASME BPVC Section I), nuclear power plant components (ASME BPVC Section III Classes 2 & 3), pressure vessels (ASME BPVC Section VIII Divsion 1), and transport tanks (ASME BPVC Section XII). According to ASME BPVC Seciton II, the maximum temperature limits and its application for SA-516 Gr. 70 are listed respectively:

• ASME Section I: 850°F
• ASME Seciton III CL 2 & 3: 700°F
• ASME Section VIII-1: 1000°F
• ASME Section XII: 650°F

Maximum Allowable Stress at Elevated Temperatures

*Temp.	-20~100	150	200	250	300	400	500	600
*MAS	20.0	20.0	20.0	20.0	20.0	20.0	20.0	19.4
*Temp.	650	700	750	800	850	900	950	1000
*MAS	18.8	18.1	14.8	12.0	9.3	6.7	4.0	2.5

*Temp.: metal temperature, °F, not exceeding; *MAS: maximum allowable stress, ksi.
*The maximum allowable stress at elevated temperatures for ASME SA-516 Gr.70.
*UNS number of ASTM A516 Gr.70: K02700; P-No.: 1; Group-No.: 2.