S355M steel plate

Oct 13, 2025 Leave a message

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

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