Portugal Standard 90 / 98 (A 400 NR / A 500 NR) |
Rated
Diameter |
Weight |
Nominal Cross Section Area |
Min Ribs Height |
Pitch / Step (Nom) |
Kg / m. |
Tolerans% |
A 400 NR |
A 500 NR |
mm. |
Nom. |
mm2 |
mm. |
C1 mm. |
C2 mm. |
Tolerans % |
C mm. |
Tolerans % |
6 |
0.222 |
± 4.5 |
28.3 |
0.39 |
5.8 |
4.2 |
± 20 |
5.0 |
± 20 |
8 |
0.395 |
50.3 |
0.52 |
6.6 |
4.8 |
5.7 |
10 |
0.617 |
78.5 |
0.65 |
7.5 |
5.5 |
± 15 |
6.5 |
± 15 |
12 |
0.888 |
113 |
0.78 |
8.3 |
6.1 |
7.2 |
16 |
1.58 |
201 |
1.04 |
11.0 |
8.2 |
9.6 |
20 |
2.47 |
314 |
1.30 |
13.8 |
10.2 |
12.0 |
25 |
3.85 |
491 |
1.63 |
17.3 |
12.7 |
15.0 |
32 |
6.31 |
804 |
2.08 |
22.1 |
16.3 |
19.2 |
40 |
9.86 |
1257 |
2.60 |
27.6 |
20.4 |
24.0 |
Mechanical Properties Test |
Quality |
Akma (MIn.) |
Drawing (Min.) |
Extension Rate
Akma Min |
Elongation % |
MPa |
MPa |
min |
A 400 NR |
400 |
460 |
Akma x 1.05 |
14 |
A 500 NR |
500 |
550 |
Akma x 1.08 |
Agt % 5 |
Chemical Composition (A 400 NR / A 500 NR) |
| Analysis |
C
max. |
P
max. |
S
max. |
N
max. |
CE
max. |
| Casting % |
0.22 |
0.050 |
0.050 |
0.012 |
0.50 |
| Product % |
0.24 |
0.055 |
0.055 |
0.013 |
0.52 |
| |
|
|
A 400 NR ( 8.18 ) |
Mn Cr+Mo+V Ni+Cu |
|
| CE = C + ------------- + ------------------- + ----------------- |
A 500 NR ( 8.18 ) |
6 5 15 |
|
|
|
