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  • A537CL2
  • A537CL2

A537CL2,A537 Class 2

  • Steel Standard: ASTM A537/A537M
  • Rolling Type: Boiler steel plate,Pressure vessel steel plate
  • Thickness: 6mm-300mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: Quenched and Tempered
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■ Overview
Boiler steel plate A537CL2 have to be done Quenched and tempered heat treatment comparing with A537CL1.The tempering temperature for A537CL2 steel plate shall not be less than 595 centigree,and last at least 1/2 hour.Tensile strength for boiler steel plate A537CL2 shall be within 550-690 Mpa,and yield strength above 415 Mpa.The additional technical requirements as Simulated post welded heat treatment of mechanical test coupons,charpy V-notch impact test and high temperature tension test can be choosed by purchasers when ordering.
■ 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 A537 Class 2 boiler steel:

Thickness(mm) Yield strength (≥Mpa) Tensile strength (Mpa) Elongation in ≥,%
  200mm 50mm
T≤65 415 550-690 ... 22
65<T≤100 380 515-655 ... 22
100<T 315 485-620 ... 20

Chemical composition for A537cl2 boiler steel (Heat Analysis Max%)

Main chemical elements composition of A537CL2
Thickness(mm) C Si Mn P S Cu Ni Cr Mo
T≤40 0.24 0.13-0.55 0.64-1.46 0.035 0.035 0.38 0.28 0.29 0.09
40<T 0.92-1.72

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