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EN 10225 S355G8+M grade TMCP steel plate
Source:Xin Steel Industry Date:2013/08/15
Low alloy structural steel plate S355G8+M is Under European steel standard En 10225,S355G8 has two different types,aush as S355G8+M and S355G8+N,the main difference is the heat treatment when rolling.Oil and offshore platform steel plate S355G8+M shall be done TMCP when rolling,and S355G8+N shall be done Normalized heat treatment.These two oil and offshore steel grade shall be done low temperature under mins 40 centigrade and the minimum energy value shall be above 50J.
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Other relative oil and offshore platform steel plate are in API standard specification API 2W Gr50 steel plate,API 2HGr50 platform steel plate,API 2W Gr50T steel plate,API 2WGr60 offshore platform steel plate,API 2YGr60 plate steel,steel grades in steel standard BS 7191 are 355D steel plate,355E plate steel,355EM metal plate,355EMZ oil platform used plate,450D steel plate,450E plate steel,450EM offshore steel plate,450EMZ plate steel,steel grades in specification EN 10225 are steel S355G2+N,S355G5+M metal plate,S355G3+N plate,S355G6+M steel specification,S355G7+N steel grade,S355G7+M platform steel,S355G8+M steel plate,S355G8+N metal plate,S355G9+N steel sheet,S355G9+M steel material,S355G10+M plate,S355G10+N steel,S420G1+Q plate,S420G2+Q steel specification,S460G1+Q steel,S460G2+Q steel plate.
Chemical composition of Ladle analysis for S355G8+M oil platform steel plate (Max %):
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Cr+Mo+Ni+Cu | |
|
0.14 |
0.15-0.55 |
1.00-1.65 |
0.020 |
0.007 |
0.25 |
0.08 |
0.90 | |
|
Ni |
Alt min |
Cu |
N |
Nb |
Ti |
V |
Nb+V |
Nb+V+Ti |
|
0.50 |
0.015-0.055 |
0.30 |
0.010 |
0.040 |
0.025 |
0.060 |
0.06 |
0.08 |