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  • S355JR
  • S355JR

S355JR

  • Steel Standard: EN 10025-2
  • Rolling Type: Structural steel plate,low alloy steel plate
  • Thickness: 2mm-650mm
  • Width: 1000mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: As rolled/Control-rolled/Normalised
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■ Overview
About the named of S355JR steel,JR denotes the materials toughness by reference to Charpy_V impacting test at room temperature (20 C).In chinese steel standard GB,these is also one steel grade is the same as S355JR,it is Q345B and ST52-3 under DIN 17100.These steel grades owned similar chemical composition and mechanical property when rolling.Xinsteel would offer steel plate S355JR and S355JR N under completely EN 10025-2 steel standard.
■ Full Data
Technical Requirements & Additional Services:
♦ Low temperature impacting test
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ 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 S355JR low alloy steel:

Thickness (mm)
S355JR ≤ 16 > 16 ≤ 40 > 40 ≤ 63 > 63 ≤ 80 > 80 ≤ 100 > 100 ≤ 150 > 150 ≤ 200 > 200 ≤ 250 > 250
Yield strength (≥Mpa) 355 345 335 325 315 295 285 275 275
  < 3 ≥ 3 ≤ 100 > 100 ≤ 150 > 150 ≤ 250 > 250
Tensile strength (Mpa) 510-680 470-630 450-600 450-600 450-600

Chemical composition for S355JR low alloy steel (Ladle Analysis Max%)

Main chemical elements composition of S355JR
Thickness(mm) C Si Mn P S N Cu
T≤16 0.24 0.55 1.60 0.035 0.035 0.012 0.55
16<T≤40 0.24
40<T 0.24

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