Unformatted text preview: rade II
For pmuz to and including For bars over 20 mm, up to
and including 50 mm
3. M&urn 7caril.s S~ccl
For l~~~;p *Elongation
tut piece. to and including on a gauge length 5.65 c/ Sowhere So is the cross-sectional area of the b) if he so desires, from any bar or the coil, after it has been cut to
the required or specified length and the test piece taken from any
part of it.
220.127.116.11 In neither case, the test piece shall be detached from the bar
or the coil, except in the presence
of the purchaser or his authorized
18.104.22.168 Before test pieces are selected, the manufacturer
shall furnish the purchaser
or his authorized
of the mill records
the number of bars in each cast with sizes as
well as the identification
marks whereby the bars from their cast or each
coil can be identified.
7 IS : 432 ( Part I ) - 1982
9.2 Tensile Test - The ultimate rensiie stres+, yield stress and elongation of bars shall be determined in accordance
with the requirements
IS : l.608-19i2*
read in conjunction
I5 : 226-1975t.
pieces shall be cut from the finished
shall not be annealed or otherwise subjected 10 heat
Any slight straightening
lvhich may be required shal! be done
cold. 9.2.1 In case of bars, the size of which is not uniform
length of test piece, limits shall be applied according to the actual maximum thickness of the piece selected for testing.
9.2.2 Should a tensile test piece break ontside the middle
half of its
and the percentage
obtained is less than that
specified, the test may be discarded
at the manufacturer’s
another test made from the same bar.
9.3 Bend Test the requirements
1975t. The bend test .shall be performed
of IS : 1599-1974:
read in conjunction
with 1s : 226- 9.4 Retest - Should any one of the test pieces first selected fail to pass
any of the tests specified
in this standard, t\vo further samples shall be
selected for testing in respect of each failure.
Should the test pieces from
both these additional
samples pass, the material represented by the test
samples shall be deemed to comply with the requireinents
of that particular test.
Should the test piece from either of these additional
fail, the material
by the test samples shall be considered as
not having complied with this standard.
9.5 Sampling - Sampling
ante with IS : 226-1975t. 10. DELIVERY, for tensile INSPECTION AND and bend tests shall be in accdrd- TESTING 10.1 ‘Unless otherwise
supply of material, inspection
prior FACILITIES requirements
shall be despatched
to its being certified relating conform
the to to the IS :, 1387- manufacturer’s or by the purchaser or hir
authorized representative as having fulfil!ed the tests and requirements
laid down in this standard...
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- Fall '13
- Tensile strength, steel bars, mild steel, medium tensile steel, mild steel bars