S890QL is a European standard (EN 10025-6) high-strength structural steel known for its exceptional strength (minimum 890 MPa yield strength), toughness, and good weldability, achieved through quenching and tempering.
S890QL Steel Plate Specifications
Steel Standard: EN10025
Thicknesses: 3 mm to 300 mm
Widths: 2000 mm, 2500 mm, 3000 mm
Lengths: Up to 12000 mm long
Delivery State:Quenched and Tempered
Packing: Standard seaworthy package
Chemical Composition
| C | Si | Mn | P | S | B | Cr | Cu | Mo | N | Nb | Ni | Ti | V | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.20 | 0.80 | 1.70 | 0.020 | 0.010 | 0.005 | 1.50 | 0.50 | 0.70 | 0.015 | 0.06 | 2.0 | 0.05 | 0.12 | 0.15 |
Mechanical properties
| Plate thickness mm | Yield strength Reh (MPA) | Tensile strength Rm (MPA) | Elongation A5 % minimum | Impact strength J, minimum |
|---|---|---|---|---|
| 3mm to 50mm | 890 | 940 – 1000 | 11 | 30 @ -40º C |
| 50mm to 100mm | 830 | 880 – 1100 | 11 | 30 @ -40º C |
S890QL Equivalent grades
| GRADE | 1.8983 | ||
| STANDARDS | WERKSTOFF | GOST | IS |
| COUNTRY | GERMANY | RUSSIA | INDIA |
S890QL Plate Processing
The majority of normal processing can be performed on S890QL plate
Cutting
Forming Drilling/ Machining
Grinding
Testing
Key Applications
Lifting & Transport:
Mobile cranes, loader cranes, aerial platforms, articulated dump trucks, load handling equipment, trailers.
Construction:
Heavy structural components, frameworks for tall buildings, bridges, railway infrastructure.
Heavy Machinery:
Buckets, mining equipment, agricultural machinery, hydraulic system components.
Offshore & Marine:
Offshore cranes, structural elements in harsh marine environments.
Specialized Structures:
High-strength containers, aircraft hangars.
Why S890QL is Used
Strength-to-Weight:
Enables lighter structures with higher payloads.
Toughness:
Offers good resistance to fractures, even at low temperatures (due to the 'L' for low notch toughness).
Weldability:
Good weldability with proper preheating, simplifying fabrication.
Versatility:
Suitable for various heavy-duty industrial, construction, and mechanical applications.
Get an valued quotation for S890QL, Contact GNEE Steel.
What is S890QL?
S890QL is a high-strength quenched and tempered structural steel with excellent weldability and toughness, widely used in heavy-duty engineering machinery and load-bearing structures.
What is the minimum yield strength of S890QL?
The minimum yield strength of S890QL is 890 MPa, which ensures it can withstand high loads in harsh working environments like construction and mining equipment.
What standards does S890QL comply with?
S890QL complies with the EN 10025-6 standard, specifying requirements for high-strength structural steels for quenched and tempered conditions.
What is the chemical composition of S890QL mainly composed of?
It mainly contains carbon, manganese, silicon, chromium, molybdenum, and nickel, which contribute to its high strength, toughness, and corrosion resistance.
Can S890QL be used in crane manufacturing?
Absolutely, it is a preferred material for crane booms, jibs, and frames, as its high strength reduces weight while ensuring load-bearing capacity.
What is the elongation at break of S890QL?
The minimum elongation at break is 12% (for thickness ≤16 mm), ensuring a certain degree of ductility to avoid brittle fracture under impact.
Does S890QL have good fatigue resistance?
Yes, its quenched and tempered structure provides good fatigue resistance, suitable for components subjected to repeated loads, like machinery shafts.
What is the maximum thickness of S890QL available?
S890QL is available in thicknesses up to 200 mm, suitable for thick-walled structural parts that need to bear heavy loads and impact forces.
Does S890QL have good impact toughness?
Yes, it exhibits excellent impact toughness even at low temperatures (-20℃ or lower), meeting the requirements of cold-region engineering projects.