Pressure-Temp. Ratings for A516 Gr.60: US Customary Unit

Temp.	Class 150	Class 300	Class 400	Class 600	Class 900	Class 1500	Class 2500
-20~100	235	615	825	1235	1850	3085	5145
200	215	565	755	1130	1695	2830	4715
300	210	545	725	1090	1635	2725	4545
400	200	525	700	1055	1580	2635	4390
500	170	500	670	1005	1505	2510	4185
600	140	475	630	945	1420	2365	3945
650	125	455	610	915	1370	2285	3805
700	110	440	590	885	1325	2210	3685
750	95	430	570	855	1285	2140	3565
800	80	370	495	740	1110	1850	3085
850	65	300	400	595	895	1490	2485
900	50	170	230	345	515	855	1430
950	35	135	185	275	410	685	1145
1000	20	85	115	170	255	430	715

*Unit of working pressures: psig; Unit of temperature: °F.
*Upon prolonged exposure to temperature above 800°F, the carbide phase of steel may be converted to graphite. Permissible but not recommended for prolonged use above 800°F.

Pressure-Temp. Ratings for A516 Gr.60: SI Unit

Temp.	Class 150	Class 300	Class 400	Class 600	Class 900	Class 1500	Class 2500
-29~38	16.3	42.6	56.7	85.1	127.7	212.8	354.6
50	16.0	41.8	55.7	83.5	125.3	208.9	348.1
100	14.9	38.8	51.8	77.7	116.5	194.2	323.6
150	14.4	37.6	50.1	75.1	112.7	187.8	313.0
200	13.8	36.4	48.5	72.8	109.2	182.1	303.4
250	12.1	34.9	46.6	69.8	104.7	174.6	291.0
300	10.2	33.2	44.2	66.4	99.5	165.9	276.5
325	9.3	32.2	43.0	64.5	96.7	161.2	268.6
350	8.4	31.2	41.7	62.5	93.7	156.2	260.4
375	7.4	30.4	40.5	60.7	91.1	151.8	253.0
400	6.5	29.3	39.1	58.7	88.0	146.7	244.5
425	5.5	25.8	34.4	51.5	77.3	128.8	214.7
450	4.6	21.4	28.5	42.7	64.1	106.8	178.0
475	3.7	14.1	18.8	28.2	42.3	70.5	117.4
500	2.8	10.3	13.7	20.6	30.9	51.5	85.9
538	1.4	5.9	7.9	11.8	17.7	29.5	49.2

*Unit of working pressures: bar; Unit of temperature: °C.
*Upon prolonged exposure to temperature above 425°C, the carbide phase of steel may be converted to graphite. Permissible but not recommended for prolonged use above 425°C.

The flanges made from ASTM A516 Gr.60 plates shall be blind or reducing flanges without hub in accordance with relative standards ASME B16.5, ASME B16.47, ASME B16.48. For pipe flanges, the A516 Gr.60 material can not be used over 455°C[850°F].