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Which of the following is the effect of increased content of Sulphur and Phosphorous in Steel ?(a) yields high strength(b) affects weldability(c) increases resistance to corrosion(d) improves resistance to high temperatureI had been asked this question at a job interview.Question is from Properties of Steel topic in portion Materials, Structures and Specifications of Design of Steel Structures

Answer» CORRECT choice is (b) AFFECTS WELDABILITY

To elaborate: When sulphur and phosphorous is used BEYOND 0.06%, it IMPARTS brittleness and affects weldability and fatigue strength.


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