Normalized welded low alloy steel plate S420N,it shall be done low temperature charpy_V impacting test under EN10025 standard,the temperature shall be minus 20 centi degree,and the impacting energy shall be min 27J.
Now Bebon industrial list chemical composition and mechnical property for S420N steel plate as belows,for long
products the P and S content can be 0.005% higher than the values in the below sheet.Our mill also can offer customers the chemical composition limited specially by customers' requested.
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EN 10111 MATERIAL#1.8902
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Comparison of steel grades
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UNE36081
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DIN17102
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NFA 36-201
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BS4036
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-
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UN
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-
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Chemical elements
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C
max
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Si
max |
Mn
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P
max |
S
max. |
Cu
max
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Cr
max
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Ni
max
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V
max
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Nb
max
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Al
min
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%,by mass
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0.20
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0.60
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1.00-1.70
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0.030
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0.025
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0.55
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0.30
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0.50
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0.12
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0.05
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0.02
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thickness
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Yield StrengthReH[N/mm2]
transv.min.
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TensileStrengthRm[N/mm2]transv.
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Fracture Elongation[%]transv. min.
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Notch Impact
Energy1)Ch Vcomplete samplelongitud. min [J]
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t≤ 16mm
t >16mm
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420
400
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+20 KV 31J
0 KV 27J
-10 KV 24J
-20 KV 20J
-40 -
-50 -
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t < 3mm
t ≥ 3mm
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520-680
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Up to 1.5mm
1.51-2.00mm
2.01-2.50mm
2.51-2.99mm
≥ 3mm
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19
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