Q690NH is a high-performance weathering steel plate specifically engineered for heavy-duty container manufacturing applications. This steel grade combines exceptional atmospheric corrosion resistance with ultra-high strength properties, making it an ideal choice for shipping containers exposed to harsh environmental conditions.
Chemical Composition (%)
| Element | C ≤ | Si | Mn | P ≤ | S ≤ | Cu | Cr | Ni | V | Nb | Ti |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Content | 0.18 | 0.15-0.55 | 0.90-1.70 | 0.025 | 0.010 | 0.20-0.55 | 0.40-0.80 | ≤0.65 | 0.02-0.10 | 0.015-0.060 | 0.006-0.030 |
Mechanical Properties
| Property | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) | Impact Energy (J) at -40°C |
|---|---|---|---|---|
| Value | ≥690 | 770-940 | ≥14 | ≥27 |
Available Specifications
Thickness range: 3mm to 100mm
Width: up to 3,500mm
Length: up to 18,000mm
Surface treatment: shot blasted or as rolled
9. Standards & Certifications
Complies with EN 10025-5 standard
Equivalent to ASTM A871 Grade 80
CE certified for structural applications
Available with 3.1/3.2 material certificates
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