Deformed bars

ROUND BARS DEFORMED BARS According to TIS 24-2536 grades SD30, SD40 with the standard length of 10 and 12 M Equivalent to : ASTM A615/A 615M-96b, BS4449 : 1997, JIS G3112 (1987), AS 1303-1991, AS-NZS 4671:2001 According to TIS 20-2543 in diameter grades SR24 Equivalent to : JIS G3112 (1987), AS/NZS 4671:2001, AS1302-1991, SS2 : Part2 : 1999 NZS 3402 : 1989 CHEMICAL COMPOSITION ( % ) CHEMICAL COMPOSITION ( % ) Grade Carbon SR24 Silicon 0.280 - Manganese Phosphorus - 0.058 Grade Carbon SD30 SD40 0.30 - Grade PHYSICAL PROPERTIES Grade Elongation Tensile Yield Strength not less than Strength (%) not less than not less than 2 (kgf/mm ) (kgf/mm ) SR24 24 39 21 Cold Bend Test Bending Diameter of Angle Mandrel 180 o 1.5 times 1.85 Sulphur Carbon+Manganese 0.06 0.06 0.50 0.55 0.06 0.06 PHYSICAL PROPERTIES Sulphur 0.058 Manganese Phosphorus Elongation Tensile Yield Strength not less than Strength (%) not less than not less than 2 (kgf/mm ) (kgf/mm ) Cold Bend Test Bending Diameter of Angle Mandrel o SD30 30 49 17 180 SD40 40 57 15 180 o of diameter 3, times of diameter times of diameter NOMINAL SIZES AND UNIT WEIGHT NOMINAL SIZES AND UNIT WEIGHT Designation Designation Diameter (mm.) Unit Weight (kg./m.) Cross Sectional Area (cm ) RB6 RB9 RB12 RB15 RB19 12 15 19 0.222 0.499 0.888 1.387 2.226 0.283 0.636 1.131 1.767 2.835 Designation Designation Diameter (mm.) Unit Weight (kg./m.) Cross Sectional Area (cm ) DB12 DB16 DB20 DB25 DB28 DB32 12 16 20 25 28 32 0.888 1.578 2.466 3.853 4.834 6.313 1.13 2.01 3.14 4.91 6.16 8.04