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S460ML is the steel grade with the highest strength specified in EN10025-4 standard "thermomechanical rolled weldable fine grain structural steels". EN10025-4 standard specifies the chemical composition and mechanical properties of S460ML plate sheet.
Compared with Q460D steel plate of the same quality level in GB standard, EN10025-4 steel S460ML plate sheet has more stringent requirements on the addition of scandium, such as C, Mn and Nb.
Thermomechanical rolled EN10025-4 steel S460ML plate sheet chemical composition of the ladle analysis:
EN10025-4 |
Steel number |
C |
Si |
Mn |
P |
S |
Nb |
V |
Al(total) |
Ti |
Cr |
Ni |
Mo |
Cu |
N |
|
S460ML |
1.8838 |
0.16 |
0.60 |
1.70 |
0.025 |
0.020 |
0.05 |
0.12 |
0.02 |
0.05 |
0.30 |
0.80 |
0.20 |
0.55 |
0.025 |
Thermomechanical rolled EN10025-4 steel S460ML plate sheet mechanical properties at ambient temperature:
Grade |
Yield strength Mpa |
Tensile strength Mpa |
Elongation |
|||||||||
|
Thickness (mm) |
≤16 |
16-40 |
40-63 |
63-80 |
80-100 |
100-120 |
≤40 |
40-63 |
63-80 |
80-100 |
100-120 |
(%) |
|
S460ML |
460 |
440 |
430 |
410 |
400 |
385 |
540-720 |
530-710 |
510-690 |
500-680 |
490-660 |
17 |
Thermomechanical rolled EN10025-4 steel S460ML plate sheet is mainly used in heavily loaded parts of welded structures such as, bridges, flood gates, storage tanks, water supply tanks, etc., for service at ambient and low temperatures.
