Carbon Steel Bars/Rods
Q345 Carbon Steel Square Bar
Q345 Carbon Steel Square Bar
Available Carbon Steel Grades:Q345For more material grades, Please click

Payment Term:TT,L/C,etc

Price Term:Ex-Work,FOB,CNF,CFR,etc

MOQ:1Ton

Delivery Time:Usually 7-30days, or upon negotiation

If you have any questions, please feel free to contact us.

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PRODUCT DESCRIPTION

Product Introduction: 


Q345 steel is a low-alloy structural steel that is widely used in construction and engineering applications. It is equivalent to the European grade S355 and is known for its 

excellent weldability and machinability. The steel grade Q345 is characterized by its yield strength of approximately 345 MPa, which makes it suitable for heavy-duty applications.


Chemical Composition and Mechanical Properties of Q345


CHEMICAL COMPOSITION Of Q345
CSiMnPSFe
≤ 0.20%≤ 0.55%1.00% to 1.60%≤ 0.045%≤ 0.045%Balance


Mechanical Properties of Q345
Yield Strength≥ 345 MPa
Tensile Strength470-630 MPa
Elongation≥ 21% (for thickness up to 16 mm)
Impact Toughness≥ 27 J at -20°C


Applications


Q345 steel is utilized in various fields due to its versatility and strength:


Construction

In the construction industry, Q345 steel is commonly used for:

High-rise buildings: Its high yield strength allows for the construction of robust frameworks.

Bridges: It can endure substantial loads, making it ideal for bridge girders and supports.

Industrial structures: Factories and warehouses benefit from the material's excellent structural integrity.


Automotive Industry

Q345 steel is also employed in the automotive sector for manufacturing:

Chassis and frames: Its strength and toughness are essential for vehicle safety.

Suspension systems: The material's durability ensures reliable performance under stress.


Machinery and Equipment

In machinery manufacturing, Q345 is used for:

Heavy machinery components: Its ability to withstand wear makes it suitable for parts that endure significant stress.

Structural components: Used in the fabrication of various machinery and equipment.


Advantages

High Strength: Q345 steel offers significant load-bearing capabilities.

Good Weldability: It can be easily welded, making it suitable for complex fabrication.

Ductility and Toughness: Allows for deformation under stress without fracture, enhancing safety.


Conclusion

If you are in need of high-quality Q345 steel for your industrial applications, we can provide competitive quotes and timely delivery. 

Please contact us for more information on our offerings and how Q345 steel can meet your project requirements.

CARBON STEEL PRODUCT DETAILS
  • Top-Quality-Stainless-Steel-Rod-Aisi-SS-201-316-8mm-10mm-Stainless-Steel-Square-Bar (1)_看图王
  • Stainless-Steel-Square-Bars-Rods-Manufactureres-Suppliers-Exporters-SS-Square-bars (1)_看图王
STAINLESS STEEL PRODUCT DETAILS
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ALLOY STEEL PRODUCT DETAILS
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WAREHOUSE
FAQ

Q: How do you control quality?

A : Mill Test Certification is supplied with shipment, Third Party Inspection isavailable.and we also get ISO,SGS,Alibaba Verified.

Q : What are the advantages of your company?

A : We have many professionals,technical personnel, more competitiveprices and best after-dales service than other steel companies.

Q : What extra services do you offer?

A : We can provide you with roll splitting, size cutting, surface treatment(galvanizing, coating and sandblasting) and other services according toyour requirements.

Q: How can l get a quotation?

A : Kindly provide us your details request (item No, style, logo, size, material, surface treatment, quantity etc.) the more detailed the better, leave us an inquiry or email to us and we will response promptly!

Q : How to get a free sample?

A : We can provide our existing similar samples for free to check the style and quality! For sample with your own logo or design, mold fee will be charged base on specification.

Q : What's the payment method?

A : It is very convenient And TT,LC...are all available.

Q : What's the process of order?

A : Send us Inquiry →get quotation → payment done →open mold and make samples →deliver you samples or send you pictures of samples for approval → mass production.

Q : When can l expect the customized product to be finished?

A : Sample:7-10 working days (Standard).Bulk order: 10-25 working days (Standard). If you have any other questions, please feel free to contact us!

 

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