The tensile strength, yield strength and percentage elongation of steel shall be determined from standard test pieces cut crosswise from plates and strips and lengthwise from sections, flats and bars. The test shall be carried out as on the standard test pieces prepared in accordance with IS 1608.
10.2.1
As a rule, test pieces with a proportional gauge length complying with the requirements should be used for the tensile test, where is the gauge length and is the cross-sectional area of the test piece.
10.2.1.1
Test pieces with a non-proportional gauge length, other than 5.65 may be used in which case the elongation values shall be converted to 5.65 in accordance with IS 3803 (Part 1).