Torsion test on steel rods

[@mohankumart5312]

Thank so much sir I'm a AP mechanical

[@shahuls5463]

Thank you sir

[@selvamramya403]

Sir spring test open video upload

[@ramarathnam]

Will try to do as early as possible

[@SEKAR-i3o]

Enna grade best sir

[@ramarathnam]

Grades depend on the design of structural members Please refer IS 456 which have recommended steel grades for various conditions