S890QL1 is an ultra-high strength, quenched and tempered structural steel (EN 10025-6 standard) with a minimum yield strength of 890 MPa, designed for excellent strength-to-weight and toughness, indicated by the 'L1' for impact energy at -60°C, making it ideal for heavy machinery, cranes, bridges, and structural engineering where lightweight, high-load capacity is crucial. It's a variant of S890QL, differing by its lower impact test temperature requirement, and requires careful welding procedures.
S890ql1 steel plate Grade and Specification
| Standard | ASTM A514/A514M-13 |
| Grade | 130 KSI ,140 KSI,A514 ,A710 ,TMCP 100 KSI ,RQT 701 ,S690QL1 ,S690QL ,S690Q ,S890QL1 ,S890QL ,S890Q ,S960QL ,Weldox 700,WELTEN 780E |
| Size | Thickness:12-60mm Width: 1500-3500mm Length: 3000-18000mm |
| Delivery State | Quenched and Tempered |
| Packing | Standard seaworthy package |
| Export To: | Saudi arabia, Kuwait, Qatar, Oman, Yemen, UAE, Iran, Turkey, Kazakhstan, Greece, Singapore, Thailand, Indonesia, Vietnam, South Africa,South America,Brazil, India, Australia, Egypt. |
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S890QL1 Chemical Composition |
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
N |
B |
Cr |
|
|
S890 QL1 |
0.20 |
0.80 |
1.70 |
0.020-0.025 |
0.010-0.015 |
0.015 |
0.005 |
1.50 |
|
Cu |
Mo |
Nb |
Ni |
Ti |
V |
Zr |
|
|
|
0.50 |
0.70 |
0.06 |
2.0 |
0.05 |
0.12 |
0.15 |
|
|
|
Grade |
S890QL1Mechanical Property |
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|
Thickness |
Yield |
Tensile |
Elongation |
Min Impact Energy
|
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|
S890 QL1 |
mm |
Min Mpa |
Mpa |
Min % |
-60 |
30J |
|
3<t≦50 |
890 |
940-1100 |
11 |
-60 |
30J |
|
|
50<t≦100 |
830 |
880-1100 |
11 |
-60 |
30J |
|
|
100<t≦150 |
800 |
820-1000 |
11 |
-60 |
30J |
|
applications
Heavy Equipment & Machinery
S890QL1 is widely used in loaders, mobile cranes, aerial platforms, mining equipment, agricultural machinery, hoists, and conveying plants. Its high strength allows for lighter, more compact designs without sacrificing durability, while its excellent toughness ensures reliable performance under impact and dynamic loads in harsh working environments.
Construction & Infrastructure
In construction and infrastructure, S890QL1 is employed in bridges, towers, metro terminals, aircraft hangars, and general structural steelwork. Its combination of high strength and good weldability enables the creation of efficient, cost-effective structures that can withstand heavy loads, seismic activity, and long-term fatigue, making it suitable for large-scale and safety-critical projects.
Transport
S890QL1 finds application in trailers, railway components, and specialized containers. Its high strength-to-weight ratio helps reduce vehicle weight, improving fuel efficiency and payload capacity. At the same time, its toughness and resistance to fatigue ensure structural integrity during long-distance transportation and under varying road or rail conditions.
Offshore & Energy
In the offshore and energy sectors, S890QL1 is used in offshore oil drilling equipment, pressure vessels, and penstocks. Its ability to maintain strength and toughness at low temperatures and in corrosive environments makes it ideal for critical components that must operate reliably under high pressure and extreme conditions.
General Engineering
In general engineering, S890QL1 is utilized for a wide range of high-strength components and machinery parts. Its versatility, combined with good formability and weldability, allows it to be adapted to various applications requiring robust performance, from hydraulic systems to heavy-duty frames and support structures.
Contact us at beam@gneesteelgroup.com for pricing, technical support, or customized solutions. We are always ready to support your project.
Is S890QL1 a carbon steel?
No, S890QL1 is not a carbon steel. It is a high-strength low-alloy (HSLA) structural steel.
What is the typical thickness range for S890QL1 plates?
S890QL1 is commonly available in a range of thicknesses suitable for structural applications, with specific limits depending on the manufacturer and production capabilities.
Can S890QL1 be welded?
Yes, S890QL1 can be welded, but it requires appropriate welding procedures, preheating, and interpass temperature control to ensure good joint quality and avoid cracking.
What is the density of S890QL1?
S890QL1 has a density typical of steel, around 7.85 g/cm³, which is consistent with most carbon and low-alloy steels.
Does S890QL1 require heat treatment after welding?
Post-weld heat treatment is not always required for S890QL1, but it may be recommended for thick sections or critical applications to reduce residual stresses and improve toughness.
What is the maximum hardness of S890QL1?
The hardness of S890QL1 is typically controlled within a range that balances strength and toughness, with maximum values specified based on thickness and delivery conditions.
Is S890QL1 suitable for high-stress applications?
Yes, S890QL1 is designed for high-stress applications due to its high yield and tensile strength, combined with good toughness and fatigue resistance.
How does S890QL1 compare to S690QL1?
Both are high-strength quenched and tempered steels with low-temperature toughness, but S890QL1 has a higher strength level, making it more suitable for extremely demanding load-bearing structures.
What is the difference between S890QL1 and ASTM A514/A517?
S890QL1 is a European grade with specified low-temperature toughness, while ASTM A514/A517 are American standards for high-strength quenched and tempered steels, differing in strength levels, toughness requirements, and chemical composition limits.
How does S890QL1 perform compared to conventional structural steels?
Compared to conventional structural steels, S890QL1 offers significantly higher strength and toughness, allowing for lighter designs, but it requires more careful fabrication due to its higher strength and alloy content.