GERMANY STANDARD (DIN 488: 86) Ribbed STEEL BARS |
Rated
Diameter |
Weight |
Nominal Cross Section Area |
EN to the Ribs (mm) |
EN to the Ribs (mm) |
BST 420 S |
BST 500 S |
Kg / m. |
Tolerans % |
Height |
Width |
Height |
Width |
Pitch (mm.) |
HATVE
( mm. ) |
1.Face |
2.Face |
mm |
|
mm2 |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
min |
max |
6 |
0.222 |
± 4 |
28.3 |
0.39 |
0.6 |
0.48 |
0.72 |
0.3 |
0.6 |
0.48 |
0.72 |
4.93 |
6.67 |
3.57 |
4.83 |
4.25 |
5.75 |
8 |
0.395 |
50.3 |
0.52 |
0.8 |
0.64 |
0.96 |
0.4 |
0.8 |
0.64 |
0.96 |
5.61 |
7.59 |
4.08 |
5.52 |
4.76 |
6.44 |
10 |
0.617 |
78.5 |
0.65 |
1.0 |
0.8 |
1.2 |
0.5 |
1.0 |
0.8 |
1.2 |
6.37 |
8.62 |
4.67 |
6.32 |
5.52 |
7.47 |
12 |
0.888 |
113 |
0.78 |
1.2 |
0.96 |
1.44 |
0.6 |
1.2 |
0.96 |
1.44 |
7.05 |
9.54 |
5.18 |
7.01 |
6.12 |
8.28 |
14 |
1.21 |
154 |
0.91 |
1.4 |
1.12 |
1.68 |
0.7 |
1.4 |
1.12 |
1.68 |
8.24 |
11.15 |
6.03 |
8.16 |
7.14 |
9.66 |
16 |
1.58 |
201 |
1.04 |
1.6 |
1.28 |
1.92 |
0.8 |
1.6 |
1.28 |
1.92 |
9.35 |
12.65 |
6.97 |
9.43 |
8.16 |
11.04 |
20 |
2.47 |
314 |
1.3 |
2.0 |
1.60 |
2.4 |
1.0 |
2.0 |
1.60 |
2.4 |
11.73 |
15.87 |
8.67 |
11.73 |
10.2 |
13.8 |
25 |
3.85 |
491 |
1.63 |
2.5 |
2.0 |
3.0 |
1.25 |
2.5 |
2.0 |
3.0 |
14.70 |
19.89 |
10.79 |
14.60 |
12.75 |
17.25 |
28 |
4.83 |
616 |
1.82 |
2.8 |
2.24 |
3.36 |
1.40 |
2.8 |
2.24 |
3.36 |
16.40 |
22.19 |
12.15 |
16.44 |
14.28 |
19.32 |
Mechanical Properties Test |
Quality |
Akma N / mm 2 min |
Drawing N / mm2 |
Elongation %
(10d) min |
BSt 420 S |
420 |
500 ( min. Akma x 1.05 ) |
10 |
BSt 500 S |
500 |
550 ( min. Akma x 1.05 ) |
10 |
Chemical Composition |
Element |
BSt 420 S |
Ribs Method |
BSt 500 S |
C |
0.22 |
0.24 |
BSt 420 S 8.19 |
|
BSt 500 S 8.19 |
|
|
P |
0.050 |
0.055 |
S |
0.050 |
0.055 |
N |
0.012 |
0.013 |
|
|