.
S355G8+M Offshore Steel Plates Specifications
- Steel Standard: EN 10225
- Rolling Type: Oil and offshore platform steel plate
- Thickness:10 – 100m
- Width: 2000mm, 2050mm, 2500mm, 3050mm and 3500mm
- Length:6m, 12m and 14m
- Heat Treatment: Thermo-Mechanical Control Process (TMCP)
Designation
- Standard Number: EN10225
- S – from structural
- Minimum Yield at <16 mm: 355 MPa
- G10 – to designate the steel grade
- Thermomechanically Rolled: +M
Tolerence
- Surface: EN10163-B3
- Thickness: EN10029:10-B
- Length & Width: EN10029:10
- Flatness: EN10029:10-T5L
Manufacturing Process
- Vacuum degassed
- Full killed
- Fine Grain Treated
Mill Tests
- Tensile Test
- Hardness Test
- Impact Test: -40C or -50C
- Deep Etch Test
- Drop Weight Test
- Through Thickness: EN10164 Z35
- UT: EN10160 S1
Standard |
Steel Grade |
|||
EN10225 |
S355G2+N |
S355G3+N |
S355G7+N |
S355G8+N |
S355G9+N |
S355G10+N |
S355G5+M |
S355G6+M |
|
S355G7+M |
S355G8+M |
S355G9+M |
S355G10+M |
|
S420G1+M |
S420G2+M |
S420G1+QT |
S420G2+QT |
|
S460G1+M |
S460G2+M |
S460G1+QT |
S460G2+QT |
|
C max. |
Si |
Mn |
S max. |
P max. |
Cr max. |
Mo max. |
Nb max. |
V max. |
Ti max. |
Ni max. |
Cu max. |
Al(tot) |
N max. |
|
S355G8+M S355G8+N |
0.14 |
0.15 |
1.00 |
0.007 |
0.02 |
0.25 |
0.08 |
0.04 |
0.06 |
0.025 |
0.5 |
0.3 |
0.015 |
0.01 |
a.For t > 75 mm maximum Mo of 0.20% shall apply for +M condition. b. For t > 40 mm the minimum Ni content shall be 0.30%. |
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Grade |
Mechanical Property |
|||
Tensile Strength(MPa) |
Yield Strength(MPa) |
% Elongation in 2 in.(50mm) min |
Impacting Test Temperature(°C) |
|
S355G8+M |
460-630 |
355-320 |
22 |
-40 |
|
Standard
|
Grade
|
Minimum Thickness (mm)
|
Maximum Thickness (mm)
|
|
EN10025 - 3
|
S355 NL
|
6
|
200
|
|
EN10025 - 3
|
S460 NL
|
6
|
80
|
|
EN10025 - 4
|
S355 ML
|
10
|
100
|
|
Dillinger
|
DI-MC TMCP Plates
|
10
|
100
|
|
Dillinger
|
Dillimax 690T
|
6
|
200
|
|
EN10025 - 6
|
S690QL
|
6
|
200
|
|
Dillinger
|
Dillimax 890 T
|
6
|
100
|
|
EN10025 - 6
|
S890QL
|
6
|
100
|
S355G8+M |
S355G8+M En10225 offshore structure steel plates |
EN10225 Grade S355G8+M Offshore platform Steel plate |
S355G8+M steel plate |
EN10225 Grade S355G8+M Offshore Structural Steel Plate |
EN10225 Grade S355G8+M Welding Structural Steel Plate . |
EN10225 Grade S355G8+M drilling platform Steel plate |
EN10225 Grade S355G8+M steel plate oil platform steel plate |
- Z TEST (Z15,Z25,Z35)
- Low temperature impacting test
- Ultrasonic test under EN 10160,ASTM A435,A577,A578
- Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
- Shot blasting and Painting,Cutting and welding as per end user’s demands
Group |
EN 10225:2009 |
BS 7191:1989 |
API 2W |
|
S355G2+N |
1 |
S355G2+N |
355D |
|
S355G3+N |
1 |
S355G3+N |
355E |
|
S355G5+M |
1 |
S355G5+M |
355D |
|
S355G6+M |
1 |
S355G6+M |
355E |
|
S355G7+N |
2 |
S355G7+N |
355EM |
|
S355G7+M |
2 |
S355G7+M |
355EM |
|
S355G8+N |
3 |
S355G8+N |
355EMZ |
|
S355G8+M |
3 |
S355G8+M |
355EMZ |
|
S355G9+N |
2 |
S355G9+N |
||
S355G9+M |
2 |
S355G9+M |
||
S355G10+N |
3 |
S355G10+N |
||
S355G10+M |
3 |
S355G10+M |
API 2W-50 |
|
S420G1+M |
||||
S420G2+M |
| Grade | Minimum thickness (mm) | Maximum thickness (mm) |
| S355G2+N | 5 | 20 |
| S355G3+N | 40 | |
| S355G5+M | 20 | |
| S355G6+M | 40 | |
| S355G7+N | 80 | |
| S355G7+M | 50 | |
| S355G8+N | 80 | |
| S355G8+M | 50 | |
| S355G9+N | 80 | |
| S355G9+M | 50 | |
| S355G10+N | 80 | |
| S355G10+M | 50 | |
| S420G1+M | 30 | |
| S420G2+M |
S355G2+N |
Cast |
0.43 |
- |
S355G3+N |
Cast |
0.43 |
- |
S355G5+M |
Cast |
0.43 |
- |
S355G6+M |
Cast |
0.43 |
- |
S355G7+N |
Product |
0.43 |
0.24 |
S355G7+M |
Product |
0.43 |
0.24 |
S355G8+N |
Product |
0.43 |
0.24 |
S355G8+M |
Product |
0.43 |
0.24 |
S355G9+N |
Product |
(0.43) |
0.22 |
S355G9+M |
Product |
(0.41) |
0.21 |
S355G10+N |
Product |
(0.43) |
0.22 |
S355G10+M |
Product |
(0.41) |
0.21 |
() Non guaranteed indicative values |
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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 |
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 |
 |
 |
|
JSW Steel Ltd. |
POSCO |
Salzgitter AG |
Nippon Steel & Sumitomo Metal |
 |
 |  |
|
APERAM |
Essar Steel | JFE Steel Corporation |