S690Q High Strength Steel Suppliers and Manufacturers

Gnee Steel is a trusted top stockist and supplier with an 18-year history of producing high grade S690 steel in compliance with EN 10025:6:2004. Make sure it is heat treated with quenching and tempering process, has good bending and welding properties, also high strength nature, offer good impact properties at sub zero temperatures. You can get good prices and strong materials for modern industries, promote leaner designed structures with increased payload capacity and energy efficiency, fully fit your needs. If you want S690 steel in full plates or cut pieces, we can be a great choice for affordable and dependable options. Our S690QL steel is held on stock and can be delivered all over the world.

What is Grade S690Q Steel?

S690 Q is a high yield structural steel grade produced in compliance with EN 10025:6:2004. The material is heat treated using the quench and temper process and has good bending and welding properties.
Due to the materials high strength nature, using S690Q will promote leaner designed structures with increased payload capacity and energy efficiency.
Please refer to the technical details below referring to S690Q.

Grade Designation

S = Structural Steel

690 = minimum yield strength (MPa)

Q = Quenching & Tempering

How to Choose a Reliable Chinese Supplier?

Check ISO and Other Important Certifications

When picking a supplier for grade S690 steel, certifications matter. Look for ISO 9001 certification, which shows their processes meet global rules. This ensures the s690 steel plate, s690 steel bar, or s690 steel pipe you get will work for your project. If your project is in Europe, check for CE certification too. These certifications prove the supplier is serious about quality s690 material.
Suppliers like Gnee Steel follow strict global standards. We ensure the s690ql steel plate and s690ql steel bar meet high-quality levels. Always confirm these certifications before ordering to avoid problems later.

Meeting Industry Needs

Different industries need specific features in s690 steel. For example, s690 steel in construction must meet building rules, while s690 tool steel needs to resist wear. Make sure the supplier meets your industry's needs. Ask for proof of s690 steel properties, like strength, density, and weldability. This ensures the s690 steel welding process and performance match your project's goals.

Customer Feedback

Customer reviews can tell you a lot about a supplier. Look for feedback from people who bought s690ql steel, s690q steel, or s690ql1 steel. Good reviews often mention on-time delivery of s690ql plate and 690ql steel. They also show how well the supplier handles custom orders, like Plates of S690Q steel grade or s690 ql steel plate.
Suppliers with good reputations usually have loyal customers. This shows they consistently deliver quality s690 steel tube and s690 sheet.

Help and After-Sales Service

Technical help is important when using special materials like s690ql steel properties or s690 steel density. A good supplier offers advice on welding s690 steel and other technical needs. This ensures the materials work well in your project.
After-sales service matters too. Reliable suppliers fix issues fast, whether it's about s690 steel standard or extra s690 ql1 materials. This support makes the whole process smooth, from buying to finishing your project.
By following these tips, you can find a supplier who delivers top-quality steel grade s690.

Testing Materials and Inspecting

Before choosing a supplier, ask for samples of grade S690 steel. Testing these samples ensures they meet your project needs and industry rules. Trusted s690 steel suppliers like Gnee Steel can provide s690 steel plate, s690 steel bar, and s690 steel pipe for checking.
When you inspect the samples, focus on important features like strength, weldability, and durability. Use simple tests to check s690 steel yield strength, s690 steel density, and s690 steel mechanical properties. For example:
Tensile Test: Checks how much pulling force the steel can handle.
Impact Test: Measures how tough the steel is under sudden stress.
Chemical Test: Confirms the mix of elements like carbon and nickel.

Small Orders for Testing

After testing samples, order a small batch to check the supplier's quality and service. Start with a few pieces of s690ql steel plate, s690 sheet, or s690 steel tube. This lets you test the steel in real situations without buying too much.
During this trial, check these things:
Steel Performance: Test how the steel works in your project, like S690 steel in construction or making machines. See if it resists wear, stress, and weather.
Weldability: Check how easily the steel fits into your designs. For example, s690 welding should be smooth, especially for s690 ql steel plate or s690ql steel bar.
Delivery and Help: See if the supplier delivers on time and offers support. Good suppliers like Gnee Steel send s690 plate supplies quickly and help with welding s690 steel.

EN 10025-2 S690Q Sheet and Plates Chemical Composition

EN 10025-2 S690Q Sheet and Plates Mechanical Properties

Request A Quote

In addition to S690Q Steel Plate,GNEE Steel also supplies a variety of high-strength steel plates, such as A514 Grade F, A572 Grade 50, A588 Grade A, S355JR, S690Q, SS400, S690QL, Q345B, Q345E, etc. If you want to know more about other types of steel plates, you can call the consultation hotline at +8615824687445 or send an email to alloy@gneesteelgroup.com. You are welcome to consult us, and we are very willing to answer your questions.

FAQ

What is the difference between S690Q and S690QL?

S690Q: Minimum impact toughness tested at -20°C (30J average). → Typical Use: Cranes in temperate climates, quarry equipment. S690QL: Certified for -40°C and below (≥40J impact toughness). → Critical Use: Arctic pipelines, offshore platforms, mining vehicles in Siberia.

What grade is S690QL material?

S690QL is a high strength quenched and tempered steel grade that complies to steel specification EN 10025. The designation S690QL refers to a minimum yield strength of 690 MPa.

What is S690 grade steel?

S690 high yield & fine grain steel plate is a high strength, quenched and tempered fine-grain structural steel. Structural steel S690 is used in structures that must withstand very heavy loads. This grade is meant for structures where weight savings is important.

What is the equivalent of S690 steel?

Approximate equivalents
ASTM A514, EN 10149-2 Grade S700MC, AS/NZS 3579 Grade 700, AM 700, Bisalloy 80.

What is the price of S690QL material?

S690QL High Strength Steel Plates, Thickness: 5mm to 150mm at 5,600-13,500 CNY per tonne (approx. 5.6-13.5 CNY per kilogram)/440-900 USD per tonne (approx. 0.44-0.90 USD per kilogram)

What is the hardness of S690 QL steel?

S690QL steel stockholders and suppliers. S690QL is a quenched and tempered high strength steel supplied in full plates or cut pieces with delivery to the whole of the UK. With its high yield of minimum 690MPa it offers better strength than standard carbon steel grades.

What is the effective use of high strength S690 steel in construction?

The high strength S690 steels have an excellent strength-to-self-weight ratio, and they are highly efficient to be used in heavily loaded structures. Typical applications include piles and columns in buildings and supporting members in bridges.

What is the difference between S890QL and S690QL?

S690QL, S890QL, and S960QL are all water quenched and tempered steels that comply with the EN10025:6:2004 specification. These ultra high strength steels have a minimum yield strength of 690 MPa, 890 MPa, and 960 Mpa respectively, making them ideal for use in the haulage sector.

What is the difference between S700MC and S690ql?

The S700MC Steel is basically a structural steel plate developed especially for applications requiring high yield strength. They are used for several load bearing applications. The S690ql is a low alloy structural steel which is high in strength and comes with good weldability.

What is the yield strength of s690 steel?

690 MPa.

Yield strength of 690 MPa. Used in structures bearing extremely heavy loads, such as bridges, offshore drilling rigs and buildings, as well as in heavy construction equipment and cranes.