S355JR steel plate

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Hot Rolled Structural Steel Sheet

S335JR - an useful structural grade steel with a minimum yield strength of 355 N/mm². S355 being widely used in the structural engineering and construction industries, S355 offers high yield and tensile strength and is supplied with a variety of treatments and test options to ensure that it is a highly usable steel in your various projects.

S355 structural grade (S) carries minimum yield strength of 355 N/mm²m, the JR designation confirms that the steel has undergone longitudinal Chary V-Notch impact testing at 27J (Joules) at room temperature. Other Charpy designations include J0, J2 and K2.

These grades of steel are intended for structural work where no significant forming or bending must be done. These grades can be bolted,riveted and welded in a full range of structural and fabricated items including bridges, box girders, cranes and other general structural projects.

The grade designations of SANS 50025 / EN10025-2 refer to the minimum yield strength of each grade for thicknesses less than or equalto 16mm. The steel should be selected in accordance with the strength  requirements.The JR, J0 & J2 suffixes refer to different impact requirements. An average impact energy value of 27 Joules must be achieved on full size specimens in the longitudinal direction in all applicable cases.

Chemical Composition(max %) of S355JR
Grade Max C content for t in mm Mn max Si max P max S max Cu max N max
t ≤ 16 >16 t ≤ t >40
S275JR 0.21 0.21 0.22 1.5 - 0.035 0.035 0.55 0.012
S355JR 0.24 0.24 0.24 1.6 0.55 0.035 0.035 0.55 0.012
S355JO 0.20 0.20 0.22 1.6 0.55 0.035 0.035 0.55 0.012
Mechanical Properties of S355JR
Grade Yield (MPa)min Tensile (MPa)min Charpy V - notch longitudinal
  Strength at t = 16mm Temp ( °C) Energy (J) t =16mm
S275JR 275 410/560 20 27
S355JR 355 470/630 20 27
S355JO 355 470/630 0 27
Grade Thickness (mm) Min Yield (Mpa) Tensile (Mpa) Elongation (%) Min Impact Energy
S355JR 8mm-100mm 315Mpa-355Mpa 450-630Mpa 18-20% 20 27J
101mm-200mm 285-295Mpa 450-600Mpa 18% 20 27J
201mm-400mm 275Mpa - 17% 20 27J

S355 JR Steel Plate Grade and Specification:

  • Thickness: 1-200mm
  • Width: 1000-1500mm
  • Length: 1000-12000mm
  • Material: Q235B,Q345B,S235JR/S235/S355JR/S355,SS440/SM400A/SM400B
  • Standard: EN 10025-2:2004
  • Technique:Hot Rolled
  • Steel Number:1.0045
  • Export To:Saudi arabia, Kuwait, Qatar, Oman, Yemen, UAE, Iran, Turkey, Kazakhstan, Greece, Singapore, Thailand, Indonesia, Vietnam, South Africa,South America,Brazil, India, Australia, Egypt.
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