Steel Bars

Chemical Composition and Mechanical Properties (For Deformed Bars and Plain Round Bars)

Chemical Composition

Standard Grade Chemical Composition
C%
max
S%
max
P%
max
N%
max
CE%
max
MS 146:2000
(Hot Rolled Steel Bars)
Grade 250
(Plain Round Steel Bars)
0.25 0.06 0.06 0.012 0.42
Grade 460
(Deformed Bars)
0.25 0.05 0.05 0.012 0.51
Grade 500
(Deformed Bars)
0.30 0.05 0.05 0.012 0.51
BS 4449:1997
(Hot Rolled Steel Bars)
Grade 250
(Plain Round Steel Bars)
0.25 0.06 0.06 0.012 0.42
Grade 460 A
(High Yield Steel Bars)
0.25 0.05 0.05 0.012 0.51
Grade 250
(High Yield Steel Bars)
0.25 0.05 0.05 0.012 0.51
 

Mechaninal Properties

Standard Grade Mechanical Properties
Yield Strength - N/mm² (Min) Tensile Strength - N/mm² (Min) Min. Elongation
(Gauge Length L)
5.65 VSO
Bend Test
MS 146:2000
(Hot Rolled Steel Bars)
Grade 250
(Plain Round Steel Bars)
250 Actual YS x 1.05 22% (L=5d) Bend Angle (2d)
Rebend (2d)
= 180°
= 1st bend 180°
Grade 460
(Deformed Bars)
460 Actual YS x 1.05 12% (L=5d) Bend Angle (3d)
Rebend (5d)
= 180°
= 1st bend 45°
Rebend 23°
Grade 500
(Deformed Bars)
500 Actual YS x 1.05 12% (L=5d)
BS 4449:1997
(Hot Rolled Steel Bars)
Grade 250
(Plain Round Steel Bars)
250 Actual YS x 1.15 At fracture 22% Rebend (2d) = 1st bend 45°
2nd bend 23°
Grade 460 A
(High Yield Steel Bars)
460 Actual YS x 1.05 At fracture 12%
At Max. force 2.5%
Rebend (5d) = 1st bend 45°
2nd bend 23°
Grade 250
(High Yield Steel Bars)
Actual YS x 1.08 At fracture 14%
At Max. force 5%