S460ML steel sheets are widely used in the bridge construction , mining machinery, pressure vessels and so on.The S460M iron is hot rolled weldable fine grain structural steels.
The verification of the S460ML impact energy value shall be carried out in accordance with EN10025-1.
Furthermore the verification of the impact energy value shall be carried out,unless otherwise agreed with longitudinal test pieces for:
-M at -20℃
-ML at -50℃
The S460ML steel products can be suitable for hot-dip zinc-coating,EN ISO 1461 and EN ISO 14713 should be used to set these coating requirements.The definition of suitability classes based upon chemical analysis limitations as laid down in EN10025-4 table 1can be used for guidance purposed.
For the CLASS 1,the Si≤0.03，Si+2.5P≤0.09
EN10025-4 S460ML Chemical Composition
|
Grade |
Chemical Composition |
|
S460ML |
The Element Max (%) |
|
C |
Si |
Mn |
P |
S |
Nb |
v |
Al |
Ti |
Cr |
Ni |
Mo |
Cu |
N |
|
0.18 |
0.65 |
1.80 |
0.030 |
0.025 |
0.06 |
0.14 |
0.015 |
0.06 |
0.35 |
0.85 |
0.23 |
0.60 |
0.027 |
For long products,the P and S content can be 0.005% higher.
For long products of grade S460M a max C content of 0.2% applies.
EN10025-4 S460M Mechanical Property
|
Grade |
Mechanical Property |
|
S460ML |
Yield Strength
mm
Min(Mpa) |
Tensile Strength
mm
Min(Mpa) |
Elongation
Min,%
|
|
≤16 |
＞16
≤
40 |
＞40
≤
63 |
＞63
≤
80 |
＞80
≤
100 |
＞
100
≤
120 |
≤40 |
＞
40
≤
63 |
＞
63
≤
80 |
＞
80
≤
100 |
＞
100
≤
120 |
|
460 |
440 |
430 |
410 |
400 |
385 |
540-720 |
530-710 |
510-690 |
500-680 |
490-660 |
17 |
For the S460ML,the yield strength is 460Mpa ≤16mm，tensile strength is 540-720 Mpa,and its elongation is min 17%.
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