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Concrete Reinforcing SD Steel
Technical Characteristics
Sales Network
Product Uses and Applications
Description
Brochures
Brochures
Technical Characteristics
PRODUCTION
DUCTILITY
MARKING
CHARACTERISTICS, DIMENSIONS & WEIGHTS
QUALITY CERTIFICATION
CHARACTERISTICS
TYPE:
Hot-rolled concrete reinforcing steel, in straight bars and coils
STEEL GRADE:

Ribbed, weldable, High Tensile SD Steel
Produced according to DIN 488 - BSt500S and ELOT 1421 - B500C

FORM - DIMENSIONS:

Straight bars. Diameter from Ø8 to Ø40mm with SD marking up to Ø28mm
Coils. Bar diameter from Ø6 to Ø16mm with SD marking

LENGTH - TOLERANCE:

Length of straight bars: 12 or 14m, with tolerance -0 / +100mm

PACKING - WEIGHT:

Bundles of straight bars. Weight: approximately 2.00MT per bundle
Coils. Weight: approximately 1.25-1.45MT per coil or spooled coils weight up to 4.50MT per coil


Customer requirements for other lengths, as well as other recognised industrial standards, can be met upon request.

Chemical Composition & Mechanical Properties
Steel
Grade
Heat Chemical
Analysis
(%) max
(1)
Mechanical Properties
Bend Mandrel
Diameter,
in mm, for:
C
S
P
N
Ceg
Yield
stren.(N/mm2)
Tensile
stren.
(N/mm2)min
ft/fy
fy,
act/
fy,
nom
max
Agt (%)
total
elong-
ation
at max.
force
min
Elong-
ation
10d
(%)min
Bend
Test
Bend Rebend Test
6≤d
≤12
(2)
14≤d
≤16
(2)
18≤d
≤40
(2)
BSt500S
DIN488
0.22
0.050
0.050
0.012
0.50
500
550
1.05 min
-
-
10
5d
6d
8d
(0.24)
(0.055)
(0.055)
(0.013)
(0.52)
500
575
1.15-1.35
1.25
7.5
-
3d for d≤16
-
-
-
B500C
ΕLΟΤ
1421
(EN
10080)
0.22
0.050
0.050
0.012
0.50
6d for >16
(0.24)
(0.055)
(0.055)
(0.014)
(0.52)
SIDENOR SD
0.22
0.050
0.050
0.012
0.50
500
600
1.15-1.35
1.25
8.0
-
3d for d≤16
5d
6d
8d
(0.24)
(0.055)
(0.055)
(0.014)
(0.52)
6d for >16

Comments: (1) The values in parentheses refer to the final product, (2) d = nominal diameter of test piece

DIMENSIONS, WEIGHTS & TOLERANCES
NOMINAL DIAMETER (mm)
NOMINAL CROSS-SECTION (mm²)
NOMINAL WEIGHT (kg/m)
WEIGHT TOLERANCE (%)
6
28.3
0.222
± 6.0
8
50.3
0.395
± 6.0
10
78.5
0.617
± 4.5
12
113.0
0.888
± 4.5
14
154.0
1.210
± 4.5
16
201.0
1.580
± 4.5
18
254.0
2.000
± 4.5
20
314.0
2.470
± 4.5
22
380.0
2.980
± 4.5
25
491.0
3.850
± 4.5
28
616.0
4.830
± 4.5
32
804.0
6.310
± 4.5
40
1.257.0
9.860
± 4.5


COILS 
STANDARD COILS
SPOOLED COILS
INTERNAL DIAMETER (m)
0.95
0.60
EXTERNAL DIAMETER (m)
1.15-1.20
0.90-1.50
HEIGHT (m)
1.15-1.20
0.75
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