An introduction to S690QL Material-GNEE Steel

• Chemical Composition – EN10025 S690QL

• Mechanical Properties – EN10025 S690QL

Warning! Only for reference

High Strength: S690QL steel has a high yield strength of 690 MPa, which makes it suitable for use in heavy-duty applications that require high strength and durability.

Good Weldability: S690QL steel has excellent weldability, which makes it easy to fabricate and assemble.

Toughness: S690QL steel has good toughness, which provides resistance to impact and fatigue, making it suitable for use in heavy-duty applications.

Corrosion Resistance: S690QL steel has good corrosion resistance, which makes it suitable for use in offshore structures and other applications where exposure to harsh environments is expected.

Construction and Infrastructure

In the construction industry, S690QL is used for building structures that require high load-bearing capacity and resilience, such as bridges, high-rise buildings, and stadiums. Its ability to withstand heavy loads without compromising structural integrity makes it an invaluable material for infrastructure projects.

Heavy Machinery and Equipment

The manufacturing of heavy machinery, including cranes, earth-moving equipment, and mining machinery, benefits from the high strength and durability of S690QL. It ensures that these machines can operate under extreme conditions and carry heavy loads efficiently.

Transportation and Automotive Industry

In the transportation sector, S690QL is used to produce components for heavy-duty trucks, trailers, and other vehicles that require enhanced strength and durability. Its use leads to safer, more reliable vehicles capable of handling demanding tasks.

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S690QL ultra high strength steel stands out as a material of choice for numerous high-performance applications due to its exceptional strength, toughness, weldability, and resistance to wear and tear. Its advantages extend beyond just performance, offering cost savings and extended service life, making it an excellent investment for any project requiring superior material properties. Whether in construction, heavy machinery, or transportation, S690QL provides the reliability and efficiency needed to meet today's engineering challenges.

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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.