GB/T1591-2018 Q355NC material is a low-alloy high-strength structural steel. Q355NC has high strength, good fatigue resistance; high toughness and low brittle transition temperature; good cold forming performance and welding performance; it has good corrosion resistance and certain wear resistance.
Chemical composition(%, by mass)
C |
Si |
Mn |
P |
S |
Nb |
V |
Ti |
Cr |
Ni |
Cu |
Mo |
N |
Als |
|
≤ 0.20 |
≤ 0.50 |
0.90-1.65 |
≤0.030 |
≤ 0.030 |
0.005-0.050 |
0.01-0.12 |
0.006-0.05 |
≤ 0.30 |
≤ 0.50 |
≤ 0.40 |
≤ 0.10 |
≤ 0.015 |
≤ 0.015 |
Q355NC steel mechanical properties
Yield strength min., MPa (in different thickness, mm) |
Tensile strength MPa (in different thickness, mm) |
|||||||||
|
≤16 |
16-40 |
40-63 |
63-80 |
80-100 |
100-150 |
150-200 |
200-250 |
≤100 |
100-200 |
200-250 |
|
355 |
345 |
335 |
325 |
315 |
295 |
285 |
275 |
470-630 |
450-600 |
450-600 |
Q355NC high strength steel plates available size
Specifications: Thickness: 8-700mm, width: 1600-4000mm, length: 6000-18800mm.
Q355NC steel plate application range
GB/T1591 Q355NC high strength steel is suitable for electric power towers, various types of cranes, heavy vehicles, oil derricks, high temperature fans, large electric shovel, dump trucks and drilling rigs, coal mine hydraulic supports, steel structures.
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