NFA E420FP steel plate/sheet for Fine-grain structural steels, thermomechanically rolled steels
E420FP steel plate/sheet,NFA36-201 E420FP steel plate/sheet, under NFA standard, we can regard E420FP steel plate/sheet for Fine-grain structural steels, thermomechanically rolled steel. NFA36-201 E420FP is a technical delivery conditions for thermomechanical rolled weldable fine grain structural steels.S means the structural steel, M means the delivery condition.Capital letter L for the quality with specified minimum values of values of impact energy at temperature not lower than -50 degree.It is equal to SEW083 TStE420TM,EN S420ML and ASTM A633Gr.E.
| E420FP NFA36-201 Number:1.8836 |
Comparision of steel grades | |
| SEW 083 | TStE 420 TM | |
| EN10113-3 | S420ML | |
| UNI 7382 | - | |
| BS 4360 | - | |
| ASTM | A 633 Gr.E | |
E420FP steel Chemical Composition
Grade |
C max |
Si max |
Mn max |
P max |
S max |
N max |
AL max |
Nb max |
V max |
Ti max |
Cr max |
Ni max |
Mo max |
Cu max |
CEV max |
| E420FP | 0.16% | 0.50% | 1.70% | 0.025% | 0.02% | 0.02% | 0.02% | 0.05% | 0.12% | 0.05% | 0.30% | 0.80% | 0.20% | 0.55% | 0.47% |
E420FP steel Mechnical Properties
Temperature |
-50 | -40 | -30 | -20 | -10 | 0 | 20 |
| Notch impact test. Min. absorbed energy | 27 | 31 | 40 | 47 | 51 | 55 | 63 |
| Nominal thickness(mm) | to 16 | 16-40 | 40-63 | 63-80 | 80-100 | 100-120 |
| ReH-Minimun yield strength(Mpa) | 420 | 400 | 390 | 380 | 370 | 365 |
| Nominal thickness(mm) | to 40 | 40-63 | 63-80 | 80-100 | 100-120 |
| Rm-Tensile strength(Mpa) | 520-680 | 500-660 | 480-640 | 470-630 | 460-620 |
| Nominal thickness(mm) | - | ||||
| A-Minimum elongation Lo=5,65√So(%) |
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