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EN 10225 material S355G7+N grade steel plate
Source:Xin Steel Industry   Date:2013/08/13

Weldable structural steel plate S355G7+N is under steel standard EN 10225.For the steel plate thickness equal or below 25mm,the minimum yield strength for steel plate S355G7+N shall be above 355Mpa,for the thickness between 25mm and 40mm,the minimum yield strength shall be 345 Mpa,and for the thickness above 40mm,the minimum yield point of oil and offshore platform steel S355G7+N shall be 335 Mpa.When rolling steel plate S355G7+N,Xinsteel would completely according to steel standard EN 10225 and mill test certificate would be issued under format EN 10204 TYPE 3.1.


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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 S355G7+N 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

0.010

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