Structural S355M,S355M PLATE,S355M STEEL PLATE is one steel grade in steel standard en 10025-4.Comparing with steel plate S275M,S355M steel plate owned a higher steel strength including its yield strength and tensile strength.The minimum yield point of S355M steel plates is 355 Mpa,and tensile strength within 470-630 Mpa.For chemical composition,S355M low alloy steel plates contains a higher V and Ni than steel plate S275M when rolling.
Steel Standard:EN 10025-4
Rolling Type:Structural steel plate,low alloy steel plate
Thickness:6mm-500mm
Width:1500mm-4200mm
Length:3000mm-18000mm
Heat Treatment:Thermo-Mechanical Control Process (TMCP)
Chemical Composition of grade S355M
|
EN10025-4 S355M Chemical Composition |
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|
Grade |
The Element Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
S355M |
0.16 |
0.55 |
1.70 |
0.035 |
0.030 |
0.015 |
0.017 |
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
0.06 |
0.12 |
0.06 |
0.60 |
0.35 |
0.55 |
0.13 |
|
Mechanical properties of grade S355M
|
Grade
|
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Impact Energy |
|
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
|
|
|
|
|
|
-20 degree |
|
|
S355M |
≤16 |
355 |
470-630 |
22 |
40 |
|
16> to ≤40 |
345 |
470-630 |
22 |
40 |
|
|
40> to ≤63 |
355 |
450-610 |
22 |
40 |
|
|
63> to ≤80 |
325 |
440-600 |
22 |
40 |
|
|
80> to ≤100 |
325 |
440-600 |
22 |
40 |
|
|
100> to ≤120 |
320 |
430-590 |
22 |
40 |





