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  • A633GrC
  • A633GrC

A633GrC,A633 Grade C

  • Steel Standard: ASTM A633/A633M
  • Rolling Type: Low alloy steel plate,HSLA steel plate
  • Thickness: 6mm-450mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: Normalised
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■ Overview
ASTM A633 Grade C structural quality steel plate meets specifications covering normalized high-strength low-alloy structural steel plates for welded, riveted, or bolted construction;It is the standard specification for normalized high-strength low-alloy structural steel plates.HSLA steel plate A633GrC owned the minimum yield strength at 345Mpaand tensile strength within 485-620Mpa for thickness equal and belows 65mm,and shall be above 315Mpa and tensile strength within 450-590Mpa for thickness above 65mm.
■ Full Data
Technical Requirements & Additional Services:
♦ High tension test
♦ Low temperature impacting test
♦ Simulated post-welded heat treatment (PWHT)
♦ All thickness for this grade shall be done Normalized
♦ 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 A633GrC low alloy steel: 

Thickness(mm) Yield strength (≥Mpa) Tensile strength (≥Mpa) Elongation in ≥,%
T≤65 345 485-620 200mm 50mm
65<T≤100 315 450-590
100<T ... ... 18 23

Chemical composition for A633GrC low alloy steel (Product Analysis Max%)

Main chemical elements composition of A633GrC
C Si Mn P S Nb
0.20 0.15-0.50 1.15-1.50 0.035 0.04 0.01-0.05
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