IS 2062:2009 E450B0 Steel: Specifications & Listings
IS 2062:2009 E450B0: E450B0 is grade E 450, quality B0 in IS 2062:2006 (Amendment 1, 2009) (Hot Rolled Low, Medium and High Tensile Structural Steel), which covers plates, strips, shapes, sections, flats and bars for structural work. This is the 2006 edition as revised by Amendment No. 1 (March 2009).
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Source: IS 2062:2006 with Amendment No. 1 (March 2009), Table 2
Bend testt is the thickness
Internal bend diameter, thickness up to 25 mm
2.5t
Internal bend diameter, thickness over 25 mm
Not required
Amendment 1 gives the bend diameter as a maximum. The bend test is not required above 25 mm for grades E 300 to E 650. t is the thickness of the test piece.
Source: IS 2062:2006 with Amendment No. 1 (March 2009), Table 2
Impact test and deoxidationE 450, quality B0
Impact test
Mandatory at 0°C
Minimum Charpy impact energy at 0°C
20 J
Mode of deoxidation
Killed
Amendment 1 Table 1 lists E 450 only in qualities A and BR, while clause 5 and Table 2 give A, BR, B0 and C; the chemistry shown is the single E 450 row.
Source: IS 2062:2006 with Amendment No. 1 (March 2009), Tables 1 and 2
Other composition limitsfrom the table notes
Nitrogen, maximum
0.012 percent
Micro-alloying elements (Nb, V, Ti, B), total maximum
0.25 percent
Copper-bearing quality
Cu 0.20 to 0.35 percent by agreement, suffix Cu (for example E 250 Cu); product analysis 0.17 to 0.38 percent
Carbon equivalent CE = C + Mn/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15, from the ladle analysis.
Source: IS 2062:2006 with Amendment No. 1 (March 2009), Table 1 notes
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