Please answer the following questions List at least two type

Please answer the following questions: List at least two types of high strength bolts. High strength bolts are most commonly available in______ diameters. Briefly discuss the failure modes of bolted connections. Briefly compare advantages and disadvantages of welded connections and bolted connections .

Solution

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These bolts are called friction grip bolts. These are made from bars of medium carbon steel.
The specifications for high strength bolts are in I.S:3757-1972 and I.S: 4000-1967.

Furnished in two grades

ASTM A325 High strength carbon steel

ASTM A490 High strength alloy steel