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LECTURE # 38

LECTURE # 38. BOLT STRENGTH. The strength is specified by stating the minimum proof strength, or minimum proof load, and the minimum tensile strength The proof load is the maximum load (force) that a bolt can withstand without acquiring a permanent set.

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Safety and quality issues – studs and nuts

Safety and quality issues – studs and nuts. Presentation API 6A Winter meeting Feb. 2011. Background. ASTM A320 require studs of Grades L7 and L43 to be equipped with nuts confirming to Grade 4 or Grade 7 of ASTM A194, i.e. high strength nuts to be equipped with high strength studs

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315 views • 14 slides

Structural safety – Studs and nuts

Structural safety – Studs and nuts. Finn Kirkemo Statoil. Background. API 6A allows use of low strength 2HM nuts with high strength studs L43 studs. Structural integrity of bolted connections with use of low strengths nuts raises is an issue that needs to be addressed

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254 views • 4 slides

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