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  • SM400A plate
  • SM400A steel

SM400A

  • Steel Standard: JIS G3106
  • Rolling Type: Carbon structural steel plate
  • Thickness: 6mm-500mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: As hot rolled,Control-rolled,Normalized
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■ Overview
Weldable structural carbon steel plate SM400A is under steel standard JIS G3106.For the steel plate thickness equal or below 16mm,the minimum yield strength for steel plate SM400A shall be above 245Mpa,for the thickness between 16mm and 40mm,the minimum yield strength shall be 235 Mpa,and for the thickness above 40mm,the minimum yield point of steel SM490A shall be 215 Mpa.When rolling carbon steel plate Carbon steel plate SM400A,Xinsteel would completely according to steel standard JIS G3106 and mill test certificate would be issued under format EN 10204 TYPE 3.1.
■ Full Data
Technical Requirements & Additional Services:
♦ Chemical Analysis
♦ Low temperature impacting test
♦ Ultrasonic test under EN 10160,ASTM A435,A577,A578
♦ 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 SM400A Structural steel:

Thickness (mm)
SM400A ≤ 16 > 16 ≤ 40 > 40 ≤ 75 > 75 ≤ 100 > 100 ≤ 160 > 160
Yield strength (≥Mpa) 245 235 215 215 205 205
  ≤ 100 > 100
Tensile strength (Mpa) 400-500 400-510

Chemical composition for SM400A Structural steel (Ladle Analysis Max%)

Main chemical elements composition of SM400A
Thickness(mm) C Si Mn P S
T≤50 0.23 - ≥2.5*C 0.035 0.035
50<T 0.25
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