IS 2062:2009 E350BR Steel: Specifications & Listings
IS 2062:2009 E350BR: E350BR is grade E 350, quality BR 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.
>=27 J at room temperature (25 +/- 2°C) (optional)
More data from IS 2062:2009
From the standard
Yield stress by thickness3 thickness ranges
Thickness (mm)
Yield stress ReH, min (MPa)
Under 20
350
20 to 40
330
Over 40
320
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
2t
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 350, quality BR
Impact test
Optional; if required, at room temperature (25 +/- 2°C)
Minimum Charpy impact energy at room temperature (25 +/- 2°C)
27 J
Mode of deoxidation
Killed
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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