S890QL1 is a European-standard (EN 10025-6) quenched and tempered, high-yield strength structural steel, known for exceptional strength, toughness, and durability, indicated by its minimum yield strength of 890 MPa and guaranteed impact energy at low temperatures (e.g., 30J at -60°C), making it ideal for demanding load-bearing applications like heavy transport and construction.
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. |
S890ql1 steel plate Properties
|
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
V |
N |
Nb |
Ti |
Cu |
Zr |
B |
|
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 |
Mechanical Properties Of S890ql1 steel plate
|
Designation |
Mechanical Properties (ambient temperature) |
|||||||
|
Steel Name |
Steel Number |
Min. Yield Strength Reh MPa |
Tensile Strength Rm MPa |
Min. % elongation after fracture |
||||
|
Nominal thickness (mm) |
Nominal thickness (mm) |
|||||||
|
≥3 ≤50 |
≥50 ≤100 |
≥100 ≤150 |
≥3 ≤50 |
≥50 ≤100 |
≥100 ≤150 |
|||
|
S890QL1 |
1.8925 |
890 |
830 |
–– |
940/1100 |
880/1100 |
–– |
11 |
Notch Impact Energy
|
Grade |
Sample Orientation |
@ 0°C |
@-20°C |
@-40°C |
@-60°C |
|
S890QL1 |
Longitudinal |
60 J |
50 J |
40 J |
30 J |
|
Transverse |
40 J |
35 J |
30 J |
27 J |
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.
If you want to learn more about (S890QL 1)GNEE's products, you can send an email to beam@gneesteelgroup.com. We are more than happy to assist you.
What standard specifies S890QL1?
S890QL1 is specified by the European standard EN 10025‑6, which covers high-strength structural steels delivered in the quenched and tempered condition.
What do the letters and numbers in "S890QL1" represent?
"S" stands for structural steel, "890" indicates the minimum yield strength level, "Q" denotes quenched and tempered delivery, and "L1" signifies enhanced low-temperature toughness requirements.
What are the typical mechanical properties of S890QL
1?S890QL1 provides high yield and tensile strength, good ductility, and excellent toughness, especially at low temperatures, making it suitable for heavy-duty and safety-critical structures.
What is the chemical composition characteristic of S890QL1
?It is a low-alloy steel with controlled carbon content and additions of elements such as chromium, nickel, molybdenum, and sometimes vanadium or boron to achieve high strength and toughness.
In what condition is S890QL1 supplied?
S890QL1 is supplied in the quenched and tempered condition, which involves heating, rapid cooling, and subsequent tempering to balance strength and toughness.
What are the main applications of S890QL1?
It is commonly used in heavy machinery, construction and infrastructure, transportation equipment, offshore structures, and various general engineering components requiring high strength and toughness.
Why is S890QL1 suitable for low-temperature environments?
Its "L1" designation indicates improved low-temperature toughness, which helps prevent brittle fracture and ensures reliable performance in cold climates.
How does S890QL1 differ from S890Q and S890QL?
All three grades have similar strength levels, but S890QL1 offers the highest low-temperature toughness, followed by S890QL, with S890Q providing the lowest toughness among them.
What fabrication considerations are important for S890QL1?
Proper welding procedures, preheating, and interpass temperature control are necessary to avoid cracking. Machining is possible but requires appropriate tools and parameters due to the steel's high strength
.
What quality control measures are typically applied to S890QL1?
Common measures include ultrasonic testing, mechanical tests such as tensile, impact, and hardness tests, and verification of chemical composition and heat treatment records to ensure compliance with the standard.