EN 10025-4 standard is for weldable fine grain structural steels in thermomechanical rolled condition. It covers steel grade S275M, S275ML, S355M, S355ML, S420M, S420ML, S460M, S460ML.
S275M steel is a kind of TMCP( Thermo Mechanical Control Process) rolled weldable fine grain structural steels. The delivery condition for S275M must be TMCP rolled way with Low temperature impact test. M means -20 min degree impact test. ML means -50 min degree impact test.
EN 10025-4 S275M steel plate is a kind hot rolled structural steel in EN 10025-4.The delivery condition of S275M structural steel plate shall be supplied in the thermomechanical rolled condition.Comparing with steel plate S275JR which is rolled under As rolled,and S275N steel plate have to be rolled under Normalized.Else, steel plate S275M have to be done low temperature impacting test under minus 20 centigrade.
EN10025-4 S275M Chemical Composition
|
Grade |
The Element Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
S275M |
0.15 |
0.55 |
1.60 |
0.030 |
0.030 |
0.015 |
|
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
0.06 |
0.10 |
0.06 |
0.60 |
0.35 |
0.35 |
0.13 |
|
S275M l Mechanical properties in room temperature
|
Grade |
Min Yield strength in different thickness |
Min tensile strength in different thickness |
Elongation in different thickness |
||||||||
|
|
≤16 |
>6≤40 |
>40≤63 |
>63≤80 |
>80≤100 |
>100≤150 |
≤40 |
>40≤63 |
>63≤100 |
>100≤120 |
blank |
|
S275M |
275 |
265 |
255 |
245 |
245 |
240 |
370-530 |
360-520 |
350-510 |
350-510 |
24 |
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