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  • A131 Grade B
  • A131GrB

A131 Grade B,A131GrB

  • Steel Standard: ASTM A131/A131M
  • Rolling Type: Shipbuilding steel plate,Platform steel plate
  • Thickness: 3mm-300mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: As Rolled/Control-rolled/TMCP/Normalised
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■ Overview
Generally before using these ship plates of ASTM A131-B,steel plate pretreatment is necessary.Pre-treatment including shot blasting and painting with shop primer.Some shipyards have its own shot blasting and painting lines,and others have non.Xinsteel set up two pre-treatment lines for shipbuilding steel plate seperately in Shanghai and Tianjin port city for giving customers' one-stop services.For getting more information about ASTM A131 Grade B steel plate,please be free to contact XINSTEEL now.
■ Full Data
Technical Requirements & Additional Services:
 High tension test
 Z-Test (Z15,Z25,Z35)
 Low temperature impacting test
 Ultrasonic test under 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
■ Techicals
Mechnical property for A131 Grade B shipbuilding structual steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
235 400-520 200mm 50mm
21 24

Chemical composition for A131 Grade B ship steel (Heat Analysis Max%)

Main chemical elements composition of A131 Grade B
C Si Mn P S
0.21 0.35 0.80 0.035 0.035
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