S620QL1 Steel Grade

 

S620QL is a high-strength steel that complies with the European standard EN 10025-6. Below are the details about S620QL:

 

1. Standard:

S620QL complies with the European standard EN 10025-6.

 

2. Specific chemical composition:

The specific chemical composition of S620QL is as follows:

-Carbon (C) content: maximum 0.20%

-Silicon (Si) content: up to 0.80%

-Manganese (Mn) content: 1.00 to 1.70%

-Phosphorus (P) content: maximum 0.020%

-Sulfur (S) content: up to 0.010%

-Chromium (Cr) content: 0.50 to 1.20%

-Nickel (Ni) content: maximum 2.00%

-Molybdenum (Mo) content: up to 0.70%

-Copper (Cu) content: up to 0.50%

-Vanadium (V) content: up to 0.12%

-Welding test temperature: -40℃

 

3. Tensile strength:

The tensile strength of S620QL is 700 to 890 MPa.

 

4. Yield strength:

The yield strength of S620QL is 620 to 700 MPa.

 

5. Elongation at break:

The minimum elongation at break of S620QL is 14%.

 

6. Uses:

S620QL is widely used in the fields of shipbuilding, petroleum and natural gas, underground engineering, and construction. Due to its high strength and excellent weldability, it is suitable for structures carrying high loads and requiring no cracks.

 

7. Condition:

S620QL is usually supplied in the form of heat-treated or controlled-rolled.

 

8. Advantages:

The advantages of S620QL include:

-High strength: It has excellent tensile strength and can be used for structures carrying high loads.

-Good weldability: It can be connected by conventional welding methods and has good welding performance.

-Good machinability: It is easy to process and shape.

 

9. Disadvantages:

The disadvantages of S620QL include:

-High cost: Compared with ordinary structural steel, S620QL is more expensive.

-Low toughness may be observed under extreme conditions.

 

10. Most common form:

The most common form of S620QL is a steel plate or strip with a thickness of 3 mm to 100 mm.

 

11. Comparison of different country grades:

S620QL corresponds to other country grades such as ASTM A514 in the United States and WStE 620 in Germany. Different country grades can be compared based on their chemical composition, mechanical properties, and application fields.

 

In summary, S620QL is a high-strength steel that complies with the European standard EN 10025-6. It has excellent tensile strength, yield strength, and elongation at break. It is widely used in shipbuilding, petroleum and natural gas, underground engineering, and construction. The most common form is a steel plate or strip. S620QL's advantages include high strength, good weldability, and good machinability, while its disadvantages include high cost and low toughness under extreme conditions.

 

 

Article	high tension steel
Standard	AISI 、ASTM 、EN 、BS 、GB 、DIN 、JIS
Material	S460Q ，1.8908，S460QL ，1.8906，S460QL1，1.8916，1.8924，S500Q ，S500QL1 ，S550QL S550QL1 ，1.8909，S620Q ，1.8914，S620QL ，1.8927，S620QL1 ，1.8988，S890Q ，1.894，S890QL ， 1.8983，S890QL1，S960Q ，S960QL ，1.8925，S960QL1，1.8934 S355、S420、S690、S355、S420、S690、SAPH310、SAPH370、SAPH400、SAPH310、SAPH370、 SAPH400, AH 36, DH 36, EH 36, et al
Output to	Singapore, Indonesia, South Korea, Thailand, Vietnam, Saudi Arabia, Brazil, Spain, Canada, the United States, and Egypt, India, Kuwait, Dubai, Kuwait, Peru, Mexico, and Russia, Malaysia, etc.
Pack	Bundle packaging, export standard packaging or according to customer requirements
Delivery time	7-15 days or according to the order quantity or negotiation
Price clause	Price terms CIF, FOB, CFR.
Pay	Credit letter, wire transfer, etc
Minimum order	One ton

 

 

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• We are dedicated to producing and supplying High-strength Steel products of the highest quality.
• We stick to the concept of 'relying on science and technology, living on quality, serving with guarantee, aiming to satisfy customers, develop by innovation'.
• We have a highly skilled and experienced team of professionals who ensure the quality of our High-strength Steel products.
• Our strong technical force has created a group of professional technicians. Our company has a long history and has a broad customer base.
• Our factory has extensive experience in the production and supply of High-strength Steel products.
• Our services never stop to meet the needs of customers, our belief is to exceed customer expectations.
• Our factory is dedicated to providing customized High-strength Steel products to meet the specific requirements of our clients.
• We provide our employees with a broad space for development, and we hope that all kinds of talents who are willing to devote themselves to S620QL industry will join our team.
• Our factory has a team of experts and professionals who ensure the high quality of our High-strength Steel products.
• High quality products, perfect after-sales service, sincere cooperation, is our purpose, but also to obtain the credit guarantee of the majority of users.

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