Technical properties of S355G8+N steel plate

1. Technical standard for S355G8+N steel plate: EN 10225-2009.

2. Delivery status of S355G8+N steel plate: normalized rolling, normalizing.

3. Chemical composition of S355G8+N steel plate:

Grade C P S Cr Mo Ni Cu N Nb Ti V Al Si Mn
S355G8+N 0.14 0.02 0.007 0.25 0.08 0.5 0.3 0.01 0.04 0.025 0.06 0.015-0.055 0.15-0.55 1.00-1.65

Wherein: Cr + Mo + Ni + Cu≤0.90; Nb+V≤0.06; Nb+V+Ti≤0.08

4. Mechanical properties, yield tensile strength and impact energy of S355G8+N steel plate:

Grade Tensile strength Mpa Lower yield strength of corresponding thickness (mm), MPa Elongation Impact energy
t≤100mm T>100mm ≤16 16-25 25-40 40-63 63-100 100-150 A% Temperature ℃ Energy J
S355G8+N 470-630 460-620 355 355 345 335 325 320 22 -40 50

5. Ultrasonic testing of S355G8+N steel plate:
S355G8+N steel plate shall be subject to ultrasonic test according to EN10160; Ultrasonic inspection can be carried out before or after the final heat treatment.

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