Structural High Strength Steel Plate S890QL: Properties, Specifications, Price & Applications
If you are designing a lighter, stronger and safer steel structure, Structural High Strength Steel Plate S890QL is one of the best materials to consider. It is an ultra-high-strength steel with a minimum yield strength of 890 MPa. That is more than double the yield strength of common S355 structural steel.
In this guide you will learn what S890QL is, its chemical composition, mechanical properties, equivalent grades, applications and current price range in India. You will also find out where to buy genuine, mill-certified plates.
Quick access: Structural High Strength Steel Plate S890QL product page | Conquest Steel & Alloys
What Is Structural High Strength Steel Plate S890QL?
S890QL is a quenched and tempered (Q&T) high-strength structural steel plate covered by the EN 10025-6 standard. The grade name tells you what the plate is:
- S stands for structural steel.
- 890 is the minimum yield strength in MPa.
- Q stands for quenched and tempered delivery condition.
- L means guaranteed impact toughness at low temperature (-40°C).
Because of this strength, designers can use thinner plates and still carry the same load. That reduces dead weight, welding volume, transport cost and fuel consumption of the final machine or structure.
Why Choose S890QL Over Standard Structural Steel?
- Higher strength-to-weight ratio: thinner sections do the same job.
- Good low-temperature toughness: tested at -40°C, so it is suitable for cold climates and offshore conditions.
- Good weldability: a controlled chemistry allows reliable welding when correct procedures are followed.
- Good formability for its strength level: it can be cut, drilled and bent with suitable tooling.
- Long service life: it resists fatigue and heavy dynamic loads.
Structural High Strength Steel Plate S890QL Specification
| Parameter | Details |
|---|---|
| Product | Structural High Strength Steel Plate S890QL |
| Grade | EN 10025-6 S890QL |
| Standard | EN 10025-6 |
| Minimum Yield Strength | 890 MPa |
| Tensile Strength | 940 – 1100 MPa |
| Thickness | 6 mm to 100 mm |
| Width | Up to 3000 mm |
| Length | Up to 12000 mm |
| Impact Test | -40°C |
| Delivery Condition | Quenched and Tempered (Q&T) |
| Availability | Ex-stock with Mill Test Certificate |
S890QL Chemical Composition
The table below shows typical maximum limits per EN 10025-6. Always check the actual values on your Mill Test Certificate.
| Element | C | Si | Mn | P | S | Cr | Mo | Ni | Cu | B |
|---|---|---|---|---|---|---|---|---|---|---|
| Max % | 0.20 | 0.80 | 1.70 | 0.020 | 0.010 | 1.50 | 0.70 | 2.00 | 0.50 | 0.005 |
S890QL Mechanical Properties
| Thickness Range (mm) | Min Yield Strength (MPa) | Tensile Strength (MPa) | Min Elongation (%) |
|---|---|---|---|
| Up to 50 | 890 | 940 – 1100 | 11 |
| 50 to 100 | 830 | 880 – 1100 | 11 |
Impact energy is guaranteed at -40°C for the QL grade, which makes it dependable in cold and demanding service conditions.
S890QL Equivalent Grades
| Standard / Brand | Equivalent Designation |
|---|---|
| EN 10025-6 | S890Q, S890QL, S890QL1 |
| German (DIN) | TStE 890 V |
| French (AFNOR / NF) | E890T, NF A36-204 S890T |
| ISO | ISO 4952 E890 |
| Brand names | WELDOX 900, ALFORM 900, DILLIMAX 890 |
Where Is S890QL Steel Plate Used?
S890QL is chosen where weight saving and strength matter most:
Heavy Lifting and Cranes
Mobile crane booms, telescopic arms and crane chassis use S890QL to give longer reach with less self-weight.
Construction and Mining Machinery
Excavators, loaders, dump truck bodies, bulldozers and mining equipment use it to carry heavy loads and survive shock and fatigue.
Bridges and Structural Engineering
Long-span bridges, sea links and high-rise frames use it where slim, high-capacity members are needed.
Offshore and Marine
Platforms, jack-up rigs and ship components benefit from its low-temperature toughness.
Transport and Special Vehicles
Heavy trailers, container chassis and special-purpose vehicles use it to raise payload by lowering vehicle weight.
Energy and Wind Sector
Towers, support structures and heavy fabrications use it for strength and durability.
S890QL Plate Price in India
Prices depend on thickness, size, quantity and the current market. Our indicative range:
| Currency | Minimum | Maximum |
|---|---|---|
| India Price (INR) | 135 per kg | 230 per kg |
| USD Price | 1.54 per kg | 2.62 per kg |
For an exact quotation, share your thickness, width, length and quantity with our team.
Welding and Fabrication Tips for S890QL
- Use low-hydrogen consumables to avoid cold cracking.
- Preheat and control interpass temperature according to plate thickness and the manufacturer’s recommendation.
- Control heat input. Too much heat can soften the heat-affected zone and reduce strength.
- Keep the plate dry and clean before welding.
- Use proper bending radii and tooling. Higher strength means more spring-back.
- Follow a qualified welding procedure (WPS/PQR).
Why Buy S890QL Plates From Conquest Steel & Alloys?
Founded in 2008 and backed by over 30 years of industry experience, Conquest Steel & Alloys is a trusted supplier, stockist and exporter of high-strength steel plates from Mumbai.
- Ex-stock availability for quick delivery
- Mill Test Certificate with every supply
- Wide size range from 6 mm to 100 mm thickness
- Competitive pricing for domestic and export orders
- Technical support for grade selection and equivalents
Looking for other high-strength grades? Explore our S690QL plates, S960QL plates and S1100QL plates. You can also see our high strength steel plates supplier and exporter for the wider range of quenched and tempered grades.
Frequently Asked Questions About S890QL
What is the yield strength of S890QL steel plate?
The minimum yield strength is 890 MPa for thicknesses up to 50 mm, and 830 MPa for 50 to 100 mm.
What does the “L” in S890QL mean?
“L” means the plate is impact tested at -40°C, which guarantees low-temperature toughness.
Is S890QL weldable?
Yes. With low-hydrogen consumables, proper preheating and controlled heat input, S890QL can be welded reliably.
What is the price of S890QL plate per kg in India?
The indicative price is between 135 and 230 INR per kg, depending on size and quantity.
Do you supply S890QL plates with a Mill Test Certificate?
Yes. Plates are supplied ex-stock with a Mill Test Certificate.
Do you export S890QL steel plates?
Yes. We supply to customers in India and many countries worldwide.
Contact Conquest Steel & Alloys
Ready to order Structural High Strength Steel Plate S890QL? Contact us for a quotation.
| Detail | Information |
|---|---|
| Company | Conquest Steel & Alloys |
| Address | Shreepati Castle – D1, No. 10 & 11, 1st Floor, 11th Khetwadi, Mumbai, Maharashtra – 400004, India |
| Mobile / WhatsApp | +91 9820857494, +91 9619554228 |
| amit.jain@csteel.in, csa@csteel.in | |
| Website | https://www.steelalloys.co.in/ |
| Product Page | S890QL Steel Plate |
Structural High Strength Steel Plate S890QL Specification:
| India Price : | Min- 135 INR Per Kg / Max- 230 INR Per Kg |
|---|---|
| USD Price : | Min- 1.54 USD Per Kg / Max- 2.62 USD Per Kg |
| Grade : | Structural High Strength Steel Plate S890QL |
| Standard : | EN 10025-6 |
| Yield Strength : | Min. 890 MPa |
| Tensile Strength : | 940 – 1100 MPa |
| Thickness : | 6mm to 100mm |
| Width : | Up to 3000mm |
| Length : | Up to 12000mm |
| Impact Test : | -40°C |
| Delivery Condition : | Quenched and Tempered (Q&T) |
| Availability : | Ex-stock with Mill Test Certificate |
