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ASTM A387 Grade 5 Class1/A387 GR5 CL1 Pressure Vessel And Boiler Steel Plate steel plate

BBN steel is the ASTM A387 Grade 5 Class1/A387 GR5 CL1Pressure Vessel And Boiler Steel Plate Steel supplier in China.ASTM A387 Grade 5 Class1/A387 GR5 CL1 Pressure Vessel And Boiler Steel Plate are used in PressureVessel,Boiler,Storage Tanks and Heat Exchanger in Oil,Gas Project.
ASTM A387 Grade 5 Class 2 is a chromium molybdenum alloy steel plates intended primarily for welded boiler and pressure vessels designed of elevated temperature service. The Cr content 5% and the Mo content 0.5%.
Each grade except grade 21L,Grade 22L,Grade 91 and Grade 911 is available in two classes of tensile strength levels. Grade 91 and Grade 911 are available only as Class 2.ASTM A387 Grade 5 Class 2 max thickness of plates is limited only by the capacity of the composition to meet specified mechanical property requirements.
Mechnical property for ASTM A387 Grade 5 Class1/A387 GR5 CL1 boiler steel :

Mechanical Property A387 Grade 5 Class 2 A387 Grade 5 Class 2
Tensile strength, kis [MPa] 515-690
Yield strength, min, kis [MPa] 310
Elongation in under [200mm], min, % ….
Elongation in under [50mm], min, % 18

Chemical composition for ASTM A387 Grade 5 Class1/A387 GR5 CL1 boiler steel (Product Analysis Max%)

Grade C % Si % Mn % P % S % V % AL% Cr %
A387Gr22CL2 0.04-0.15 0.5 0.30-0.60 0.035 0.035     1.88-2.62
Cu % Mo % Nb % Ni % Ti % Tungsten    
  0.85-1.15            

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