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  • A203GrA steel
  • A203GrA plate

A203 Grade A,A203GrA

  • Steel Grade: A203 Grade A,A203GrA
  • Steel Standard: ASTM A203/A203M
  • Rolling Type: Boiler steel plate,Pressure vessel steel plate
  • Thickness: 6mm-300mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
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■ Overview
Nickel alloy pressure vessel steel plate A203 Grade A under ASTM A203/A203M,pressure vessel steel plate SA203 Grade A under ASME SA203/SA203M.Generally when rolling A203 Grade A pressure vessel steel plate,the heat treatment shall be Normalized,if the end user demands,Xinsteel also can do Tempered for boiler steel plate A203 Grade A,the minimum tempering temperature shall be above 595 centigree,and the tempered time shall be above half an hour.Besides,the general technical requirements shall be followed with steel standard (S)A20/(S)A20M.



■ Full Data
Technical Requirements & Additional Services:
♦ High tension test
♦ Low temperature impacting test
♦ 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 A203 Grade A alloy steel:

Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
255 450-585 200mm 50mm
19 23

Chemical composition for A203 Grade A alloy steel (Heat Analysis Max%)

Main chemical elements composition of A203 Grade A
Thickness(mm) C Si Mn P S Ni
T≤50 0.17 0.15-0.40 0.70 0.035 0.035 2.10-2.50
50<T 0.20 0.80
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