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EN S355JR material properties steel plate

EN S355JR material offers high strength and it is supplied with a variety of treatments and test options, so as to ensure it is a highly usable steel in various projects. EN S355JR material is low alloy steel, which can be judged from its chemical properties. Meanwhile, EN S355JR material is high strength steel, which can be judged from its mechanical properties.

EN S355JR material properties:
1)EN S355JR material chemical properties: (max) %

Grade C % Si % Mn % P % S % N % Cu %
S355JR 0.270 0.60 1.70 0.045 0.045 0.014 0.060

Maximum percentage of Carbon(C) is 0.27 percent.
Maximum percentage of Manganese(Mn) is 1.70 percent.
Maximum percentage of Phosphorous (P) is 0.045 percent.
Maximum percentage of Sulphur(S) is 0.045 percent.
Maximum percentage of Nitrogen(N) is 0.014 percent.
Maximum percentage of Silicon(Si) is 0.60 percent.
Maximum percentage of Copper (Cu) is 0.06 percent.

EN S355JR material mechanical properties:

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

The tensile strength of EN S355JR material is at-least 450 N/mm2 (MPa).
The elongation property of EN S355JR material varies with the heat treatment process and thickness but it is indicated typically 17% – 20%.
The minimum impact energy of EN S355JR material is 27 Joules longitudinally.

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