BS1449 50F steel plate for Fine-grain structural steels, normalised rolled steel
50F steel plate, under BS1449 standard 50F steel plate, under BS1449 standard, we can regard 50F steel plate as Fine-grain structural steels, normalised rolled steel.
50F steel plate is one mainly of Fine-grain structural steels, normalised rolled steel,50F steel plate is under BS1449 standard equivalent to EN: S420NL,which with a minimum fracture elongation of 19% and the tensile strength of 50F is 520 to680 MPa.
| 50F BS1449 MATERIAL# 1.8912 | Comparison of steel grades | |
| UNE36081 | AE 420 KT | |
| EN 10111 | S420N | |
| UN | - | |
| DIN17102 | T StE 420 | |
| Chemical elements | C max | Si max | Mn max | 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 | 0.025 | 0.020 | 0.55 | 0.30 | 0.80 | 0.20 | 0.05 | 0.02 |
50F 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 40J 0 KV 34J -10 KV 30J -20 KV 27J -30 KV 23J -40 KV 20J -50 KV 16J | ||
| 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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