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Reg. 78
MATERIALS OF CONSTRUCTION

STEEL CASTING


Bend tests


Cold bend tests shall be made upon test pieces having rectangular section of one inch wide by ¾ inch thick. The test pieces shall be machined and the edges rounded to a radius of 1/16 inch. The test pieces shall be bent over the thinner section.

Bend tests may be made by pressure or by blows, and the test pieces shall without fracture withstand being bent round a former having a radius of 1 inch through an angle not less than that given in the following table:-

Grade of Casting

Angle of Bend minimum

A......................................

120°

B.....................................

90°

C....................................

No test
 
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Message from Chairman of Central Boilers Board About Central Boiler Board History of Indian Boiler Regulations Foreword Contents Chapter Wise Contents Regulation Wise List of Amendments
Indian Boilers Act 1923 Ibr Forms Home Search Help Contact Us