IS 2062:2011 E450BR Steel: Specifications & Listings
IS 2062:2011 E450BR: E450BR is grade E 450, quality BR, in IS 2062:2011 (Hot Rolled Medium and High Tensile Structural Steel), which covers plates, strips, shapes, sections, flats and bars for structural work. The grade is named by its minimum yield stress.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
For product thickness or diameter above 100 mm, a lower minimum tensile strength may be agreed between the purchaser and the manufacturer.
Source: IS 2062:2011 with Amendment 1, Table 2
Bend testt is the thickness
Internal bend diameter, maximum, thickness up to 25 mm
2.5t
Internal bend diameter, maximum, thickness over 25 mm
Not required
Amendment 1 changes the heading from Min to Max. t is the thickness of the test piece. The bend test is not required above 25 mm for grades E 300 to E 650.
Source: IS 2062:2011 with Amendment 1, Table 2, note 2
Impact test and deoxidationquality BR
Impact test
Optional; if required, at room temperature (25 +/- 2°C)
Minimum Charpy impact energy
20 J
Mode of deoxidation
Semi-killed or killed
Source: IS 2062:2011 with Amendment 1, Tables 1 and 2, clause 5
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