NFA E420R steel plate for Fine-grain structural steels, normalised rolled steel
E420R steel plate, under NFA36-301 standard E420R steel plate, under NFA36-301 standard, we can regard E420R steel plate as Fine-grain structural steels, normalised rolled steel E420R steel plate is one mainly of Fine-grain structural steels, normalised rolled steel,E420R steel plate is under NFA36-301 standard equivalent to EN: E420R,which with a minimum elongation of 19%.
| E420R NFA36-301 MATERIAL#1.8902 |
Comparison of steel grades | |
| UNE36081 | AE420KG/AE420KW | |
| EN 10111 | S420N | |
| DIN17102 | E420R | |
| BS4036 | - | |
| UN | FeE420KGN | |
E420R steel Chemical composition
Chemical elements |
C max |
Si max |
Mn |
P max |
S max. |
Cu max |
Cr max |
Ni max |
V max |
Nb max |
Al min |
| %,by mass | 0.20 | 0.60 | 1.00-1.70 | 0.030 | 0.025 | 0.55 | 0.30 | 0.50 | 0.12 | 0.05 | 0.02 |
E420R steel Mechanical properties
thickness |
Yield StrengthReH[N/mm2] transv.min. |
TensileStrengthRm [N/mm2]transv. |
Fracture Elongation[%]transv. min. | Notch Impact Energy1)Ch Vcomplete samplelongitud. min [J] |
| t≤ 16mm t >16mm |
420 400 |
+20 KV 31J 0 KV 27J -10 KV 24J -20 KV 20J -40 - -50 - |
||
| t < 3mm t≥ 3mm |
520-680 | |||
| Up to 1.5mm 1.51-2.00mm 2.01-2.50mm 2.51-2.99mm ≥ 3mm |
19 |
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