Flange Ratings to ASME B16.5 - 1996
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Data Input
Temperature
Degrees C
Flange Rating
150lb
300lb
400lb
600lb
900lb
1500lb
2500lb
Flange Material
1.1 - Carbon Steel - A105, A515 70, A516 70, A350 LF2 (BS 1503 164 490)
1.2 - Carbon Steel - A350 LF3
1.3 - Carbon Steel - A515 65, A515 65 (BS 1501 151/161 430)
1.4 - Carbon Steel - A515 60, A516 60, A350 LF1
1.5 - Alloy Steel - A182 F1
1.7 - Alloy Steel - A182 F2
1.9 - Alloy Steel - A182 F11, A182 F12 (BS 1501 621, BS 1503 620 440 / 621 460)
1.11 - 1.10 in ANSI B16.5 - Alloy Steel - A182 F22 (BS 1501 622-515, BS 1503 622 490)
1.13 - Alloy Steel - A182 F5, A182 F5a (BS 1503 625 590)
1.14 - Alloy Steel - A182 F9
2.1 - Austenitic Steel - 304 (304 S31/S51)
2.2 - Austenitic Steel - 316 (316 S31/S51)
2.3 - Austenitic Steel - 304L / 316L (304 S11/316 S11)
2.4 - Austenitic Steel - 321 (321 S31)
2.5 - Austenitic Steel - 347, 348 (347 S31/S51)
2.6 - Austenitic Steel - 309S
2.7 - Austenitic Steel - 310 (310 S31)
2.8 - Ferritic/Austenitic Steel - 318
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Maximum Design Pressure
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Page last updated 27 July 2004