I am bolting blind flanges onto a Brazed aluminum heat exchanger and looking for maximum bolt torque values that can be used for Gr B8 bolting on the aluminum flanges of the coldbox. Mfr data is confusing as they state a bolting allowable stress of 13.20 kg/mm2 (18750 Psi). Connections are 6"-300# RF and 6"-600# RF.
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Gr 8 Bolt Torques/Aluminum Flanges
- Thread starter maddocks
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