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Quality

Our Quality Control Systems ensures Star Steel International LLC’s Rebars & Structural Sections conform to the international quality standards. DCL (Dubai Central Laboratory) and CARES certification are awaited for Rebars.

FOR REBARS

1- BS 4449 (1997) Gr 460B
COMPOSITION CHEMICAL%
  C Si Mn P S N C.Ev

As Specified By BS 4449 (1997)

 Max 0.25 - - Max 0.050 Max 0.050 Max 0.012 Max 0.51
MECHANICAL PROPERTIES
  Yield Stress (N/mm2)

Tensile Strength (N/mm2)

Elongation (%)

As Specified By BS
4449 (1997)

 Min. 460 Min. 1.08 x Act. Y.S. Min. 14
REBAR DIMENSIONS
Nominal Diameter (mm) Nominal Weight (Kg/m)

No.12m. Long Bars / 2ton Bundle

8 mm

0.395 420

10 mm

0.616 270

12 mm

 0.888 184

16 mm

 1.579 104

20 mm

 2.466 66

25 mm

3.854 42

32 mm

6.313

26

40 mm

9.864

17
BAR TOLERANCE
Bar length and with tolerance as per BS 4449 (1997)

2- BS 4449 (2005) Gr 500B
COMPOSITION CHEMICAL%
  C Si Mn P S N C.Ev

As Specified By BS 4449 (2005)

 Max 0.22 - - Max 0.050 Max 0.050 - -
MECHANICAL PROPERTIES
  Yield Stress (N/mm2)

Tensile Strength (N/mm2)

Elongation (%)

As Specified By BS
4449 (2005)

 Min. 500 Min. 1.20 x Act. Y.S. Min. 12
REBAR DIMENSIONS
Nominal Diameter (mm) Nominal Weight (Kg/m)

No.12m. Long Bars / 2ton Bundle

8 mm

0.395 420

10 mm

0.616 270

12 mm

 0.888 184

16 mm

 1.579 104

20 mm

 2.466 66

25 mm

 3.854 42

32 mm

6.313

26

40 mm

9.864

17
BAR TOLERANCE
Bar length and with tolerance as per BS 4449 (2005)
FOR STRUCTURAL SECTIONS
Mechanical Properties
European Standards
Standard Grades Minimum Yield
strength
 Tensile strength
 Minimum
elongation
 Notch impact test
Nominal thickness (mm)
< = 16		 Nominal thickness (mm)
> = 3 to
< = 40		 Nominal thickness (mm)
> = 3 to < = 40		 Temperature
T		 Min. absorbed energy
J
EN 10025 S 235 JR G2 235 340 - 470 26 0 27
S235 JO -20 27
S 275 JR 275 410 - 560 22 0 27
S 275 JO -20 27
S 355 JR 355 490 - 630 22 20 27
S 355 JO 0 27
ASTM Standards
Standard Grades Yield strength
Tensile strength
 Minimum elongation
MPa [ksi] MPa [ksi] Min. 200 mm
[8 In.]		 Min. 50 mm
[2 In.]
ASTM 36 A 36 ≥ 250 [ 36 ] 400 - 550 [ 58 - 60 ] 20 21
ASTM 572 Grade 50 ≥ 345 [ 50 ] ≥ 450 [ 65 ] 18 21
JIS Standards
Standard Grades Ladle Analysis
 Bendability
Minimum Yield
strength
Nominal thickness
(mm)
Tensile strength
Nominal
thickness
(mm)
Minimum elongation
Nominal thickness
(mm)
Angle
of bending 		Inside
radius
≤16 >16
≤40		 >40
≤75		 ≤100 >5
≤16		 >16
≤40		 ≤50 >40
≤50
JIS G 3101-1995
 SS 400 245 235 215 400 - 510 17 21 21 23 180 1.5 times the thickness
SS 490 285 275 255 490 - 610 15 19 19 21 180 2 times the thickness

Chemical Composition
European Standards
Standard Grades Ladle Analysis
C Max. % Mn
Max.
%		 Si7
Max.
%		 P
Max.
%		 S
Max.
%		 N
Max.
%		 CEV5
Nominal thickness (mm) Nominal thickness
(mm)
≤16 ≤40
EN 10025 S 235 JR G2 0.17 1.4 -- 0.045 0.045 0.009 0.35
S235 JO 0.17 1.4 -- 0.04 0.04 0.009 0.35
S 275 JR 0.21 1.5 -- 0.045 0.045 0.009 0.40
S 275 JO 0.18 1.5 -- 0.04 0.04 0.009 0.40
S 355 JR 0.24 1.6 0.55 0.045 0.045 0.009 0.45
S 355 JO 0.20 1.6 0.55 0.04 0.04 0.009 0.45
ASTM Standards
Standard Grades Ladle Analysis
C Max. % Mn % S Max.% P Max.% Si % Nb Max.
%		 V % Other
elements
ASTM 36 As 36 0.26 -- 0.04 0.05 ≤40 -- -- --
ASTM 572 Grade 50 0.23 ≤1.35 0.04 0.05 ≤40 -- -- --
JIS Standards
Standard Grades Ladle Analysis
P Max. % P Max. %
JIS G 3101-1995
 SS 440 0.050 0.050
SS 490 0.050 0.050
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