Welcome to GNEE Steel, your trusted global supplier of quenched & tempered S890Q steel plates.
If you're looking for high-strength structural steel with excellent load-bearing capacity, good toughness, and reliable weldability, you're in the right place.
We supply S890Q steel plate-manufactured to EN 10025-6 Q&T standards-to customers in Europe, the Middle East, Southeast Asia, Australia, and the Americas, helping engineering projects succeed with the right material, service, and delivery.
📩 Request a Quote Today – Fast response, competitive pricing, and technical support.

What Is Quenched & Tempered S890Q Steel Plate?
S890Q is an ultra-high-strength structural steel plate produced according to EN 10025-6 and supplied in the quenched and tempered (Q&T) condition.
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Chemical composition % of steel S890Q (1.8940): EN 10025-6-2004
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Ti | Cu | Zr | B | CEV |
| max 0.2 | max 0.8 | max 1.7 | max 2 | max 0.025 | max 0.015 | max 1.5 | max 0.7 | max 0.12 | max 0.015 | max 0.06 | max 0.05 | max 0.5 | max 0.15 | max 0.005 | max 0.82 |
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Mechanical properties of steel S890Q (1.8940)
| Nominal thickness (mm): | 3 - 50 | 50 - 100 |
| Rm - Tensile strength (MPa) | 940-1100 | 880-1100 |
| Nominal thickness (mm): | 3 - 50 | 50 - 100 |
| ReH - Minimum yield strength (MPa) | 890 | 830 |
| KV - Impact energy (J) longitud., | 0° 40 |
-20° 30 |
| A - Min. elongation Lo = 5,65 √ So (%) | 11 |
Diverse Application Scenarios

Construction Machinery and Mining Machinery Fields
In the construction machinery sector, S890Q steel plates are extensively utilized. Take excavators as an example: their working devices, such as booms, dippers, and buckets, endure immense digging forces and impacts during operation. The use of S890Q steel plates for manufacturing these components significantly enhances the strength and wear resistance of the working devices. Under high-intensity excavation operations, conventional steel may wear out or fracture rapidly, whereas S890Q steel plates effectively reduce wear, extend equipment service life, lower maintenance costs, and improve operational efficiency. In the mining machinery sector, equipment used in mining and various engineering construction, such as drilling rigs, electric shovels, electric dump trucks, and mining vehicles, operates in harsh environments with heavy loads.
The application of S890Q steel plates in manufacturing critical structural components of these machines enables them to withstand immense pressure and impact forces, ensuring stable operation under high-intensity work conditions and providing reliable support for mining and infrastructure construction.
Bridge Construction Field
Bridge construction imposes stringent requirements on steel performance. With its high strength, good toughness and fatigue resistance,S890Q steel plates emerge as an ideal choice for bridge construction. In the construction of large-scale cross-river and cross-sea bridges, S890Q steel plates are commonly employed in fabricating key components such as main girders and piers. Its high-strength characteristics allow it to effortlessly bear the substantial self-weight of the bridge and vehicle loads, ensuring structural stability. When faced with natural disasters like earthquakes and strong winds, its excellent toughness prevents brittle failure of the bridge structure, maintaining its integrity. Moreover, its outstanding fatigue resistance effectively addresses the fatigue stresses induced by the bridge's long-term exposure to repeated vehicle traffic, significantly extending the bridge's service life and guaranteeing the safety and smooth flow of transportation. For instance, in a renowned cross-sea bridge, certain key structural components were manufactured using S890Q steel plates. Despite years of exposure to sea breeze corrosion and frequent traffic loads, they have maintained excellent structural performance, serving as a successful example of S890Q steel plate application in bridge construction.

GNEE Steel – Your Global S890Q Steel Plate Supplier
GNEE Steel is a leading international supplier of quenched & tempered high-strength steel plates, offering:
✔ EN 10025-6 compliant S890Q steel plates
✔ Stable Q&T heat treatment quality
✔ Size flexibility and custom processing
✔ Export documentation and compliance support
✔ Technical guidance for welding & fabrication
✔ Competitive pricing with reliable delivery
We supply to customers in key market regions including:
Europe (Germany, UK, France, Poland, etc.)
Middle East (UAE, Saudi Arabia, Qatar, etc.)
Southeast Asia (Vietnam, Thailand, Indonesia, Malaysia)
Australia & Oceania
North & South America
📩 Request Your Customized S890Q Steel Plate Quotation
Whether you're procuring for cranes, heavy structures, offshore platforms, or industrial machines-GNEE Steel is your trusted quenched & tempered S890Q steel plate supplier.
✔ Quick inquiry response
✔ Technical selection guidance
✔ Export-ready supply
Contact us today to start your S890Q order!
Q1: What is S890Q steel plate?
A:S890Q is a high-strength structural steel plate according to EN 10025-6, supplied in quenched and tempered (Q) condition, with a minimum yield strength of 890 MPa.
Q2: What is the material number of S890Q?
A:The European material number for S890Q is 1.8940.
Q3: Is S890Q considered non-alloy steel?
A:Yes. Under EN classification, S890Q is listed as non-alloy structural steel, although small alloying elements are added for strength and toughness control.
Q4: What thickness range is available for S890Q steel plate?
A:Common supply thickness ranges from 6 mm to 150 mm, depending on mill capability and standard requirements.
Q5: What are the mechanical properties of S890Q?
A:
Yield strength: ≥ 890 MPa (≤ 50 mm)
Tensile strength: 940–1100 MPa
Elongation: ≥ 11%
Impact test: ≥ 30 J at −20°C
Q6: Can S890Q steel be welded easily?
A:Yes, S890Q has good weldability, but welding must follow controlled procedures, including proper heat input, preheating (if required), and suitable filler materials.
Q7: What is the difference between S890Q and S890QL?
A:S890QL offers better low-temperature impact toughness than S890Q and is typically specified for colder environments or critical structures.
Q8: What are typical applications of S890Q steel plate?
A:S890Q is widely used in:
Cranes and lifting equipment
Bridges and heavy structures
Mining and earthmoving machinery
Wind power and offshore structures
Heavy-duty vehicle frames
Q9: Can S890Q replace S690Q to reduce weight?
A:Yes. Using S890Q instead of S690Q allows significant weight reduction while maintaining or increasing load capacity, which is especially valuable for mobile equipment.
Q10: What inspection and certificates are required for S890Q?
A:Standard supply includes EN 10204 3.1 MTC.
3.2 certificates, ultrasonic testing (UT), and third-party inspection (SGS, BV, TUV) are available upon request.
Q11: Is S890Q suitable for pressure vessel applications?
A:No. S890Q is a structural steel, not designed for pressure vessel or boiler applications. Pressure vessel steels must comply with specific PV standards such as EN 10028 or ASME.
Q12: What delivery condition is required for S890Q steel plate?
A:S890Q must be supplied in quenched and tempered (Q) condition as per EN 10025-6.
Q13: Can you cut or machine S890Q steel plate?
A:Yes. Flame cutting, plasma cutting, and machining are possible with controlled parameters to maintain material properties.
Q14: Does S890Q steel require special storage or handling?
A:Standard dry storage is sufficient. Surface protection can be added for long-term outdoor storage.
| Grades Of Carbon and Low-alloy High-strength Steels Supplied By GNEE | |||||
| ASTM/ASME | ASTM A36/A36M | ASTM A36 | |||
| ASTM A283/A283M | ASTM A283 Grade A | ASTM A283 Grade B | ASTM A283 Grade C | ASTM A283 Grade D | |
| ASTM A514/A514M | ASTM A514 Grade A | ASTM A514 Grade B | ASTM A514 Grade C | ASTM A514 Grade E | |
| ASTM A514 Grade F | ASTM A514 Grade H | ASTM A514 Grade J | ASTM A514 Grade K | ||
| ASTM A514 Grade M | ASTM A514 Grade P | ASTM A514 Grade Q | ASTM A514 Grade R | ||
| ASTM A514 Grade S | ASTM A514 Grade T | ||||
| ASTM A572/A572M | ASTM A572 Grade 42 | ASTM A572 Grade 50 | ASTM A572 Grade 55 | ASTM A572 Grade 60 | |
| ASTM A572 Grade 65 | |||||
| ASTM A573/A573M | ASTM A573 Grade 58 | ASTM A573 Grade 65 | ASTM A573 Grade 70 | ||
| ASTM A588/A588M | ASTM A588 Grade A | ASTM A588 Grade B | ASTM A588 Grade C | ASTM A588 Grade K | |
| ASTM A633/A633M | ASTM A633 Grade A | ASTM A633 Grade C | ASTM A633 Grade D | ASTM A633 Grade E | |
| ASTM A656/A656M | ASTM A656 Grade 50 | ASTM A656 Grade 60 | ASTM A656 Grade 70 | ASTM A656 Grade 80 | |
| ASTM A709/A709M | ASTM A709 Grade 36 | ASTM A709 Grade 50 | ASTM A709 Grade 50S | ASTM A709 Grade 50W | |
| ASTM A709 Grade HPS 50W | ASTM A709 Grade HPS 70W | ASTM A709 Grade 100 | ASTM A709 Grade 100W | ||
| ASTM A709 Grade HPS 100W | |||||
| ASME SA36/SA36M | ASME SA36 | ||||
| ASME SA283/SA283M | ASME SA283 Grade A | ASME SA283 Grade B | ASME SA283 Grade C | ASME SA283 Grade D | |
| ASME SA514/SA514M | ASME SA514 Grade A | ASME SA514 Grade B | ASME SA514 Grade C | ASME SA514 Grade E | |
| ASME SA514 Grade F | ASME SA514 Grade H | ASME SA514 Grade J | ASME SA514 Grade K | ||
| ASME SA514 Grade M | ASME SA514 Grade P | ASME SA514 Grade Q | ASME SA514 Grade R | ||
| ASME SA514 Grade S | ASME SA514 Grade T | ||||
| ASME SA572/SA572M | ASME SA572 Grade 42 | ASME SA572 Grade 50 | ASME SA572 Grade 55 | ASME SA572 Grade 60 | |
| ASME SA572 Grade 65 | |||||
| ASME SA573/SA573M | ASME SA573 Grade 58 | ASME SA573 Grade 65 | ASME SA573 Grade 70 | ||
| ASME SA588/SA588M | ASME SA588 Grade A | ASME SA588 Grade B | ASME SA588 Grade C | ASME SA588 Grade K | |
| ASME SA633/SA633M | ASME SA633 Grade A | ASME SA633 Grade C | ASME SA633 Grade D | ASME SA633 Grade E | |
| ASME SA656/SA656M | ASME SA656 Grade 50 | ASME SA656 Grade 60 | ASME SA656 Grade 70 | ASME SA656 Grade 80 | |
| ASME SA709/SA709M | ASME SA709 Grade 36 | ASME SA709 Grade 50 | ASME SA709 Grade 50S | ASME SA709 Grade 50W | |
| ASME SA709 Grade HPS 50W | ASME SA709 Grade HPS 70W | ASME SA709 Grade 100 | ASME SA709 Grade 100W | ||
| ASME SA709 Grade HPS 100W | |||||
| EN10025 | EN10025-2 | EN10025-2 S235J0 | EN10025-2 S275J0 | EN10025-2 S355J0 | EN10025-2 S355K2 |
| EN10025-2 S235JR | EN10025-2 S275JR | EN10025-2 S355JR | EN10025-2 S420J0 | ||
| EN10025-2 S235J2 | EN10025-2 S275J2 | EN10025-2 S355J2 | |||
| EN10025-3 | EN10025-3 S275N | EN10025-3 S355N | EN10025-3 S420N | EN10025-3 S460N | |
| EN10025-3 S275NL | EN10025-3 S355NL | EN10025-3 S420NL | EN10025-3 S460NL | ||
| EN10025-4 | EN10025-4 S275M | EN10025-4 S355M | EN10025-4 S420M | EN10025-4 S460M | |
| EN10025-4 S275ML | EN10025-4 S355ML | EN10025-4 S420ML | EN10025-4 S460ML | ||
| EN10025-6 | EN10025-6 S460Q | EN10025-6 S460QL | EN10025-6 S460QL1 | EN10025-6 S500Q | |
| EN10025-6 S500QL | EN10025-6 S500QL1 | EN10025-6 S550Q | EN10025-6 S550QL | ||
| EN10025-6 S550QL1 | EN10025-6 S620Q | EN10025-6 S620QL | EN10025-6 S620QL1 | ||
| EN10025-6 S690Q | EN10025-6 S690QL | EN10025-6 S690Q1 | EN10025-6 S890Q | ||
| EN10025-6 S890QL | EN10025-6 S890QL1 | EN10025-6 S960Q | EN10025-6 S960QL | ||
| EN 10149 | EN 10149-2 | S315MC | S355MC | S420MC | S460MC |
| S500MC | S550MC | S600MC | S650MC | ||
| S700MC | S900MC | S960MC | |||
| JIS | JIS G3101 | JIS G3101 SS330 | JIS G3101 SS400 | JIS G3101 SS490 | JIS G3101 SS540 |
| JIS G3106 | JIS G3106 SM400A | JIS G3106 SM400B | JIS G3106 SM400C | JIS G3106 SM490A | |
| JIS G3106 SM490YA | JIS G3106 SM490B | JIS G3106 SM490YB | JIS G3106 SM490C | ||
| JIS G3106 SM520B | JIS G3106 SM520C | JIS G3106 SM570 | |||
| DIN | DIN 17100 | DIN17100 St52-3 | DIN17100 St37-2 | DIN17100 St37-3 | DIN17100 RSt37-2 |
| DIN17100 USt37-2 | |||||
| DIN 17102 | DIN17102 StE315 | DIN17102 EStE315 | DIN17102 TStE315 | DIN17102 WStE315 | |
| DIN17102 StE355 | DIN17102 EStE355 | DIN17102 TStE355 | DIN17102 WStE355 | ||
| DIN17102 StE380 | DIN17102 EStE380 | DIN17102 TStE380 | DIN17102 WStE380 | ||
| DIN17102 StE420 | DIN17102 EStE420 | DIN17102 TStE420 | DIN17102 WStE420 | ||
| DIN17102 StE460 | DIN17102 EStE460 | DIN17102 TStE460 | DIN17102 WStE460 | ||
| DIN17102 StE500 | DIN17102 EStE500 | DIN17102 TStE500 | DIN17102 WStE500 | ||
| DIN17102 EStE285 | |||||
| GB | GB/T700 | GB/T700 Q235A | GB/T700 Q235B | GB/T700 Q235C | GB/T700 Q235D |
| GB/T700 Q275 | |||||
| GB/T1591 | GB/T1591 Q345A | GB/T1591 Q390A | GB/T1591 Q420A | GB/T1591 Q420E | |
| GB/T1591 Q345B | GB/T1591 Q390B | GB/T1591 Q420B | GB/T1591 Q460C | ||
| GB/T1591 Q345C | GB/T1591 Q390C | GB/T1591 Q420C | GB/T1591 Q460D | ||
| GB/T1591 Q345D | GB/T1591 Q390D | GB/T1591 Q420D | GB/T1591 Q460E | ||
| GB/T1591 Q345E | GB/T1591 Q390E | ||||
| GB/T16270 | GB/T16270 Q550C | GB/T16270 Q550D | GB/T16270 Q550E | GB/T16270 Q550F | |
| GB/T16270 Q620C | GB/T16270 Q620D | GB/T16270 Q620E | GB/T16270 Q620F | ||
| GB/T16270 Q690C | GB/T16270 Q690D | GB/T16270 Q690E | GB/T16270 Q690F | ||
| GB/T16270 Q800C | GB/T16270 Q800D | GB/T16270 Q800E | GB/T16270 Q800F | ||
| GB/T16270 Q890C | GB/T16270 Q890D | GB/T16270 Q890E | GB/T16270 Q890F | ||
| GB/T16270 Q960C | GB/T16270 Q960D | GB/T16270 Q960E | GB/T16270 Q960F | ||
| GB/T16270 Q500 | |||||




