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FCM>2.5in., 35ftlb at -10°F

FCM > 2.5 in., 35 ft lb at -10°F

Notes: FCM, fracture critical member.

1 in. = 2.54 cm, 1 ft lb = 1.356 Nm, Temp°F = 1.8 x Temp°C + 32.

Notes: FCM, fracture critical member.

1 in. = 2.54 cm, 1 ft lb = 1.356 Nm, Temp°F = 1.8 x Temp°C + 32.

The fatigue resistance of HPS, like conventional steels, is more of a function of the weld details and the operating stress range. Tests on HPS have demonstrated that the detail categories for load-induced fatigue given in AASHTO LRFD Section 6.6.1 (AASHTO 1998) for ordinary steels also apply to HPS.

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