S690QL high strength steel plate
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S690QL high strength steel plate
Product introduction
Due to the materials high strength nature, using S690QL will promote leaner designed structures with increased payload capacity and energy efficiency.
The technical details of S690QL are outlined below.
S690QL - Grade Designation
The grade designation of S690QL are the following:
S = Structural Steel
690 = minimum yield strength (MPa)
Q = Quenching & Tempering
L = Low notch toughness testing temperature
Technical data
S690QL - Chemical Composition
The chemical composition of S690QL is provided in the table below.
|
Element |
Percentage % |
Element |
Percentage % |
|
C |
0.20 |
Cu |
0.50 |
|
Si |
0.80 |
Mo |
0.70 |
|
Mn |
1.70 |
Nb* |
0.06 |
|
P |
0.025 |
Ni |
2.0 |
|
S |
0.015 |
Ti* |
0.05 |
|
N |
0.015 |
V* |
0.12 |
|
B |
0.0050 |
Zr* |
0.15 |
|
Cr |
1.50 |
|
|
* At least 0.015% of grain-refining element present. Aluminium is also one of these elements.
S690QL - Mechanical Properties
The mechanical properties of S690QL is outlined in the table below.
|
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 |
|||
|
S690QL |
1.8931 |
690 |
650 |
630 |
770/940 |
760/930 |
710/900 |
14 |
S690QL - V Notch Impact Testing
The V Notch impact testing details are given in the table below.
|
Grade |
Sample Orientation |
@ 0°C |
@-20°C |
@-40°C |
@-60°C |
|
S690QL |
Longitudinal |
50 J |
40 J |
30 J |
¨C¨C |
|
Traverse |
35 J |
30 J |
27 J |
¨C¨C |
(Please note: the technical information above is for guidance only ¨C for exact specifications please check with Masteel)
Factory video
Shandong Mingding Supply Chain Management Service Co., Ltd. was established in 2013, focusing on the production, processing and trade of metal materials. We have a professional team to provide quality service, we sincerely welcome customers at home and abroad to visit our company for guidance and long-term cooperation.
Warehouse storage
The company has the most advanced production equipment and automatic control system, to ensure the most reliable product quality. In addition, we also have a professional international trade and logistics team. With quality products and excellent service, we have established a large number of long-term customers all over the world.

Packing and delivery
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient packaging services will be provided.

Production Technology
Our main products include high quality carbon steel, stainless steel products,galvanized steel products, aluminum and copper. We can also provide cutting, punching, bending, polishing, shearing, wire drawing and other related service.
Honor
Application
Our company is set production processing and trade as one. The company has the most advanced production equipment and automatic control system, to ensure reliable product quality and sufficient supply capacity. Our main products are stainless steel, silicon steel, galvanized steel, carbon steel, aluminum products and other series. Applicable to engineering, coal mining, shipping, aviation, boiler, machinery, military and other fields. We sincerely welcome customers from all over the world to visit our company to discuss long-term cooperation.
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FAQ
How do you package the product?
The inner layer is covered with waterproof paper, packed in iron and secured by fumigated wooden brackets. It can effectively protect products from corrosion in the process of sea sample transportation.
Are the products inspected before shipment?
Of course. All our products go through strict quality tests before they are packed. Those that fail will be destroyed.
Can I visit your factory?
Of course. We welcome customers from all over the world to visit our factory.
What certifications have your products passed?
We have ISO 9001, SGS, EWC and other certifications.
Can you provide samples?
Of course, we can send samples all over the world. Our samples are free of charge, but the customer needs to bear the Courier charge
What is the loading port?
Normally, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. You can choose other ports according to your needs.
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Message
info@mingdingsteel.com

+8615553113555