Transcript

TESTING OF TMT STEEL BARS:Lab: Dr. Uppals Testing & Analytical Laboratory (P) Ltd.SAIL 8mm,10mm,12mm & 25mm dia TMT steel bars three specimen of one mtr. Length each.MECHANICAL PROPERTIES:S. No.ParametersResultsIS 1786 Limits

8mm10mm12mm25mm

1.Yield / 0.2% P.S (N/mm2)523.6542.1531.8530.4Min 500

2.Tensile Strength642.1658.7655.0649.5Min 565

3.Elongation (%)24.220.418.622.6Min 16

4.Bend TestNo cracks / No RuptureShall have no cracks or rupture

5.RE Bend TestNo cracks / No RuptureShall have no cracks or rupture

6.Grade of steelFe 500 DFe 500 D

7.% UTS / 0.2 % PS22.621.523.222.5Min. 10

CHEMICAL COMPOSITION :S.No.ParametersResultsIS 1786 Limits

8mm10mm12mm25mm

1.% Carbon (as C)0.1880.1960.1900.202Max 0.250

2.% Sulphur(as S)0.0270.0310.0280.025Max 0.040

3.% Phosphorus(as P)0.0310.0330.0250.026Max 0.040

4.% Sulphur & Phosphorus0.0580.0640.0530.051Max 0.075


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