Tabla 1- La Composición química |
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Grado de acero |
C% |
Si% |
Mn% |
P% |
S% |
AL% |
E215 |
≤0, 10 |
≤0, 05 |
≤0.7 |
≤ 0.025 |
≤ 0.025 |
≥0.025 |
E235 |
≤0, 17 |
≤0, 35 |
0.4-1.2 |
≤ 0.025 |
≤ 0.025 |
|
E255 |
≤0, 21 |
≤0, 35 |
0.4-1.1 |
≤ 0.025 |
≤ 0.025 |
|
E355 |
≤0, 22 |
≤0, 55 |
≤1.6 |
≤ 0.025 |
≤ 0.025 |
|
Tabla 2 : Propiedades mecánicas A Temperatura ambiente |
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Condiciones de entrega |
BK |
BKW |
GBK |
NBK (N) |
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Grado de acero |
Rm |
% |
Rm |
% |
Rm |
% |
Rm |
ReH |
% |
Mpa (Min) |
(Min) |
Mpa (Min) |
(Min) |
Mpa (Min) |
(Min) |
Mpa (Min) |
Mpa (Min) |
(Min) |
|
E215 |
430 |
8 |
380 |
12 |
280 |
30 |
290~430 |
215 |
30 |
E235 |
480 |
6 |
420 |
10 |
315 |
25 |
340~480 |
235 |
25 |
E255 |
580 |
5 |
520 |
8 |
390 |
21 |
440~570 |
255 |
21 |
E355 |
640 |
4 |
580 |
7 |
450 |
22 |
490~630 |
355 |
22 |