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  • A588 Grade K
  • A588GrK

A588 Grade K,A588GrK

  • Steel Standard: ASTM A588/A588M
  • Rolling Type: Weathering steel plate,High strength low alloy steel plate
  • Thickness: 3mm-300mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: As rolled/Normalised
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■ Overview
A588 Grade K contains chemical elements Molybdenum and Columbium comparing with A588 Grade A,A588 Grade B and A588 Grade C steel plate.With minimum yield point at 345 Mpa for ASTM A588/A588M A588 Grade K weathering steel plate.Tensile strength shall be at minimum 485 Mpa for weathering resistance steel sheet A588 Grade K.
■ Full Data
Technical Requirements & Additional Services:
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ 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
♦ G101 Guide for estimating atmospheric corrosion resistance of low alloy steels 
■ Techicals

Mechnical property for A588 Grade K corten steel:

Thickness(mm) Yield strength (Mpa) Min. Tensile strength (Mpa) Min. Elongation in ≥,%
  200mm 50mm
T≤100 345 485 18 21
100<T≤125 315 460 ... 21
125<T 290 435 ... 21

Chemical composition for A588GrK corten steel (Heat Analysis Max%)

Main chemical elements composition of A588GrK
C Si Mn P S Cu Ni Cr Mo Nb
0.17 0.25-0.50 0.50-1.20 0.04 0.05 0.25-0.40 0.40 0.40-0.70 0.10 0.005-0.05

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