Properties

This range of steels is thermomechanically rolled (M) or normalised (N).

Advantages

Our products are studied to improve workability and weldability.

Applications

Offshore structures such as platforms and equipment for new offshore windmill towers.

Available options

Options available (after prior agreement):

Brand correspondence

 GroupEN 10225:2009BS 7191:1989API 2W
S355G2+N 1S355G2+N355D 
S355G3+N 1S355G3+N355E 
S355G5+M 1S355G5+M355D 
S355G6+M 1S355G6+M355E 
S355G7+N 2S355G7+N355EM 
S355G7+M 2S355G7+M355EM 
S355G8+N 3S355G8+N355EMZ 
S355G8+M 3S355G8+M355EMZ 
S355G9+N 2S355G9+N  
S355G9+M 2S355G9+M  
S355G10+N 3S355G10+N  
S355G10+M 3S355G10+M API 2W-50
S420G1+M     
S420G2+M     

Dimensions

For the dimensions available, see Table A in data sheet H99 within the thickness limits specified below:

GradeMinimum thickness (mm)Maximum thickness (mm)
S355G2+N520
S355G3+N40
S355G5+M20
S355G6+M40
S355G7+N80
S355G7+M50
S355G8+N80
S355G8+M50
S355G9+N80
S355G9+M50
S355G10+N80
S355G10+M50
S420G1+M 30
S420G2+M

Tolerances: in accordance with EN 10029


Mechanical properties

 
Direction
Thickness (mm)
Re (MPa)
Rm (MPa)
A 5.65√So (%)
KV -20°C (J)
KV -40°C (J)
Re/Rm
S355G2+NL5 - 20---≥ 50--
T5 - 16≥ 355470 - 630≥ 22---
16 - 20≥ 345
S355G3+NL5 - 40----≥ 50-
T5 - 16≥ 355470 - 630≥ 22---
16 - 40≥ 345
S355G5+ML5 - 20---≥ 50--
T5 - 16≥ 355470 - 610≥ 22---
16 - 20≥ 345
S355G6+ML5 - 40----≥ 50-
T5 - 16≥ 355470 - 610≥ 22---
16 - 40≥ 345
S355G7+NT5 - 16≥ 355470 - 630≥ 22-≥ 50≤ 0.87
16 - 25≤ 0.85
25 - 40≥ 345-
40 - 63≥ 335
63 - 80≥ 325
S355G7+MT5 - 16≥ 355470 - 630≥ 22-≥ 50≤ 0.87
16 - 25≤ 0.85
25 - 40≥ 345-
40 - 63≥ 335
63 - 80≥ 325
S355G8+NT5 - 16≥ 355470 - 630≥ 22-≥ 50≤ 0.87
16 - 25≤ 0.85
25 - 40≥ 345-
40 - 63≥ 335
63 - 80≥ 325
S355G8+MT5 - 16≥ 355470 - 630≥ 22-≥ 50≤ 0.87
16 - 25≤ 0.85
25 - 40≥ 345-
40 - 63≥ 335
63 - 80≥ 325
S355G9+NT5 - 16≥ 355470 - 630≥ 22-≥ 50≤ 0.87
16 - 25≤ 0.85
25 - 40≥ 345-
40 - 63≥ 335
63 - 80≥ 325
S355G9+MT5 - 16≥ 355470 - 630≥ 22-≥ 50≤ 0.87
16 - 25≤ 0.85
25 - 40≥ 345-
S355G10+NT5 - 16≥ 355470 - 630≥ 22-≥ 50≤ 0.87
16 - 25≤ 0.85
25 - 40≥ 345-
40 - 63≥ 335
63 - 80≥ 325
S355G10+MT5 - 16≥ 355470 - 630≥ 22-≥ 50≤ 0.87
16 - 25≤ 0.85
25 - 40≥ 345-


Chemical composition


 
Notes
Thickness (mm)
C (%)
Mn (%)
P (%)
S (%)
Si (%)
Al (%)
Cu (%)
Cr (%)
Ni (%)
Mo (%)
Nb (%)
V (%)
Ti (%)
N (%)
S355G2+N15 - 20≤ 0.200.90 - 1.65≤ 0.035≤ 0.030≤ 0.50≥ 0.020≤ 0.35≤ 0.30≤ 0.50≤ 0.10≤ 0.060≤ 0.12≤ 0.030≤ 0.015
S355G3+N15 - 40≤ 0.180.90 - 1.65≤ 0.030≤ 0.025≤ 0.50≥ 0.020≤ 0.35≤ 0.30≤ 0.50≤ 0.10≤ 0.060≤ 0.12≤ 0.030≤ 0.015
S355G5+M15 - 20≤ 0.14≤ 1.60≤ 0.035≤ 0.030≤ 0.50≥ 0.020--≤ 0.30≤ 0.20≤ 0.050≤ 0.10≤ 0.050≤ 0.015
S355G6+M15 - 40≤ 0.14≤ 1.60≤ 0.030≤ 0.025≤ 0.50≥ 0.020--≤ 0.30≤ 0.20≤ 0.050≤ 0.10≤ 0.050≤ 0.015
S355G7+N1+2+35 - 63≤ 0.141.00 - 1.65≤ 0.020≤ 0.0100.15 - 0.550.015 - 0.055≤ 0.30≤ 0.25≤ 0.50≤ 0.08≤ 0.040≤ 0.06≤ 0.025≤ 0.010
63 - 80
S355G7+M1+2+35 - 63≤ 0.141.00 - 1.65≤ 0.020≤ 0.0100.15 - 0.550.015 - 0.055≤ 0.30≤ 0.25≤ 0.50≤ 0.08≤ 0.040≤ 0.06≤ 0.025≤ 0.010
63 - 80
S355G8+N1+2+35 - 63≤ 0.141.00 - 1.65≤ 0.020≤ 0.0070.15 - 0.550.015 - 0.055≤ 0.30≤ 0.25≤ 0.50≤ 0.08≤ 0.040≤ 0.06≤ 0.025≤ 0.010
63 - 80
S355G8+M1+2+35 - 63≤ 0.141.00 - 1.65≤ 0.020≤ 0.0070.15 - 0.550.015 - 0.055≤ 0.30≤ 0.25≤ 0.50≤ 0.08≤ 0.040≤ 0.06≤ 0.025≤ 0.010
63 - 80
S355G9+N1+35 - 100≤ 0.12≤ 1.65≤ 0.020≤ 0.0100.15 - 0.550.015 - 0.055≤ 0.30≤ 0.20≤ 0.70≤ 0.08≤ 0.030≤ 0.06≤ 0.025≤ 0.010
S355G9+M1+35 - 40≤ 0.12≤ 1.65≤ 0.020≤ 0.0100.15 - 0.550.015 - 0.055≤ 0.30≤ 0.20≤ 0.70≤ 0.08≤ 0.030≤ 0.06≤ 0.025≤ 0.010
S355G10+N1+35 - 100≤ 0.12≤ 1.65≤ 0.015≤ 0.0050.15 - 0.550.015 - 0.055≤ 0.30≤ 0.20≤ 0.70≤ 0.08≤ 0.030≤ 0.06≤ 0.025≤ 0.010
S355G10+M1+35 - 40≤ 0.12≤ 1.65≤ 0.015≤ 0.0050.15 - 0.550.015 - 0.055≤ 0.30≤ 0.20≤ 0.70≤ 0.08≤ 0.030≤ 0.06≤ 0.025≤ 0.010
1. A ratio Al/N ≥ 2 shall be applied.
2. The sum of the percentages by mass of the four elements chromium, nickel, copper and molybdenum shall not exceed 0.90%.
3. The sum of the percentages by mass of the two elements niobium and vanadium shall not exceed 0.06% and the sum of the percentages by mass of the three elements niobium, titanium and vanadium shall not exceed 0.08%.

The above chemical properties are based on cast analysis data. Product analysis may be requested at the time of order.



 
Type of analysis
CEV (%)
PCM (%)
S355G2+NCast0.43-
S355G3+NCast0.43-
S355G5+MCast0.43-
S355G6+MCast0.43-
S355G7+NProduct0.430.24
S355G7+MProduct0.430.24
S355G8+NProduct0.430.24
S355G8+MProduct0.430.24
S355G9+NProduct(0.43)0.22
S355G9+MProduct(0.41)0.21
S355G10+NProduct(0.43)0.22
S355G10+MProduct(0.41)0.21
() Non guaranteed indicative values
CEV = C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15
PCM = C+Si/30+(Mn+Cu+Cr)/20+Ni/60+Mo/15+V/10+5*B


For commercial information (quotations, deliveries, product availability):

For technical questions about these products: flateurope.technical.assistance@arcelormittal.com


All details provided in the ArcelorMittal Flat Carbon Europe S.A. catalogue are for information purposes only. ArcelorMittal Flat Carbon Europe S.A. reserves the right to change its product range at any time without prior notice.