Related Resources: pressure-vessel

Pressure Vessel Temperature Ratings for Group 1.10 Materials per. ASME B16.5 Pipes, Flanges and Flanged Fittings

Structural Design and Analysis
Pressure Vessel Design and Engineering

Pressure Vessel Temperature Ratings for Group 1.10 Materials per. ASME B16.5 Pipes, Flanges and Flanged Fittings.

1 bar = 14.5038 psi

Designation	Forgings	Castings	Plates
2 1⁄4Cr–1Mo	A 182 Gr. F22 Cl. 3 (2)	A 217 Gr. WC9 (1), (3)	A 387 Gr. 22 Cl. 2 (2)

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Bars to PSI and PSI to bars pressure conversion calculator

 

All pressure. given in Bars.

Temp.,°C	150	300	400	600	900	1500	2500
50	19.5	51.7	68.9	103.4	155.1	258.6	430.9
100	17.7	51.5	68.7	103.0	154.6	257.6	429.4
150	15.8	50.3	66.8	100.3	150.6	250.8	418.2
200	13.8	48.6	64.8	97.2	145.8	243.4	405.4
250	12.1	46.3	61.7	92.7	139.0	231.8	386.2
300	10.2	42.9	57.0	85.7	128.6	214.4	357.1
325	9.3	41.4	55.0	82.6	124.0	206.6	344.3
350	8.4	40.3	53.6	80.4	120.7	201.1	335.3
375	7.4	38.9	51.6	77.6	116.5	194.1	323.2
400	6.5	36.5	48.9	73.3	109.8	183.1	304.9
425	5.5	35.2	46.5	70.0	105.1	175.1	291.6
450	4.6	33.7	45.1	67.7	101.4	169.0	281.8
475	3.7	31.7	42.3	63.4	95.1	158.2	263.9
500	2.8	28.2	37.6	56.5	84.7	140.9	235.0
538	1.4	18.4	24.6	36.9	55.3	92.2	153.7
550	...	15.6	20.8	31.3	46.9	78.2	130.3
575	...	10.5	14.0	21.1	31.6	52.6	87.7
600	...	6.9	9.2	13.8	20.7	34.4	57.4
625	...	4.5	6.0	8.9	13.4	22.3	37.2
650	...	2.8	3.8	5.7	8.5	14.2	23.6

NOTES:

(1) Use normalized and tempered material only.
(2) Permissible, but not recommended for prolonged use above 590°C.
(3) Not to be used over 590°C.