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  • A387Gr12Cl1

A387Gr12Cl1

  • Steel Standard: ASTM A387/A387M
  • Rolling Type: Boiler steel plate,Pressure vessel steel plate
  • Thickness: 6mm-300mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: Normalized+Tempered
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■ Overview
A387Gr12CL1 pressure vessel steel plate owned minimum yield strength at 275 Mpa,and tensile strength within 450-585 Mpa.Pressure vessel steel plate SA387 Grade 12 CL 1 is in American standard ASME SA 387/SA 387M.Boiler steel plate A387 Grade 12 Cl 1 are according to ASTM A387/A387M.These steel materials also shall conform to steel specification A 20/A 20M.These requirements outline the testing and retesting methods and procedures,permissible variations in dimensions and weight,quality and repair of defects,marking,loading,etc.
■ Full Data
  Technical Requirements & Additional Services:
♦  High tension test
♦  Low temperature impacting test
♦  Normalised for thick plates over 40mm
♦  Simulated post-welded heat treatment (PWHT)
♦  Rolling under standard NACE MR-0175 (HIC+SSCC)
♦  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 A387Gr12Cl1 boiler steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
230 380-550 200mm 50mm
18 22

Chemical composition for A387 Grade 12 Cl1 boiler steel (Product Analysis Max%)

Main chemical elements composition of A387Gr12Cl1
C Si Mn P S Mo Cr
0.04-0.17 0.13-0.45 0.35-0.73 0.035 0.035 0.40-0.65 0.74-1.21

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