S355jr Carbon Steel Square Bar

S355JR carbon steel square steel is a steel product with excellent performance. It is made of high-quality carbon steel raw materials and strictly follows the EN10025 standard. Its yield strength is not less than 355MPa, showing excellent mechanical properties and bearing capacity. It is widely used in construction, bridges, machinery manufacturing and other fields. S355JR square steel has a flat surface, precise size, easy processing and welding, and can meet diverse engineering needs. Choosing S355JR carbon steel square steel means choosing reliable quality and efficient application.

KEY ATTRIBUTES

ProductS355jr Carbon Steel Square Bar
GradeQ195, Q275, Q235, Q235B, Q345B SS400, SS490, SM400A, ST37, S235JR,20# S235J0,A36, A283, A572,1045
Size8*8mm--60*60mm
Section ShapeSquare Steel Bar
Length6-12m or as your reqirement
SurfaceBlack Finish ,Oiled,Shot Blasted,Spray Paint,Coated,Galvanized
TechnologyHot Rolled, Forged/Hot Rolled/Cold drawn
ApplicationBuilding,Carbon structural steel, alloy structural steel, gear steel.
PackageStandard export sea-worthy packing or customized.
Lead Time3-15 days after deposit.
Special MaterialOver 500 tons can customize special steel.


RODUCT DETAILS


Product Introduction

Carbon steel square bars are square-section steels made of carbon as the main alloying element through a specific process. They have the dual advantages of high strength and low cost and are basic structural materials in the industrial field. The carbon content range (0.02%-2.11%) can be precisely controlled through the smelting process. Combined with subsequent continuous casting, rolling and heat treatment (such as normalizing and annealing), the grain structure and mechanical properties can be optimized to achieve a grading from the easy processing of low-carbon steel to the wear resistance of high-carbon steel.

The manufacturing process strictly follows the standards: the impurity content needs to be controlled during the smelting stage, the temperature and deformation need to be matched during the rolling process to avoid cracks, and the quality is finally ensured through flaw detection, dimensional inspection and surface treatment (such as galvanizing for corrosion protection). The physical properties (such as elastic modulus, yield strength) and chemical stability (resistance to atmospheric corrosion) of carbon steel square bars make them excellent in the fields of building support, mechanical transmission, tool manufacturing, etc. At the same time, their specification diversity (large cross-sectional size span) and processing flexibility (can be cut, welded, forged) further expand the application scenarios and become a key material to support the efficient and low-cost development of modern industry.


About Us

The company is committed to providing customers with high-quality, low-cost steel products and strives to create value for customers. With advanced processing equipment and a strong logistics and distribution system, it can meet customer needs at any time.



Carbon Steel Square Bar Benefits

1. High strength: Carbon steel square bars have high strength due to their high carbon content. This allows it to withstand greater loads and maintain stability in a variety of applications.

2. Good toughness: Carbon steel square bars not only have high strength, but also have good toughness. It has high bending strength and ductility, preventing breakage or cracking when subjected to load.

3. Easy to process: Carbon steel square bars have excellent physical properties and are easy to process through shearing, cold forging, hot forging, etc. to form products of various shapes and sizes. Additionally, it is easily welded and soldered.

4. Economical and practical: The price of carbon steel square bars is relatively low, making it more economical and practical than other materials. At the same time, its easy processing and wide range of applications also make it the material of choice in many industries.



Quality Control

We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.


Carbon Steel Square Bar Applications


1. Construction and engineering fields: Carbon steel square bars are widely used in construction and engineering fields. It can be used to strengthen concrete structures, bridges and building supports, etc. In addition, carbon steel square bars can also be used to make reinforced concrete to enhance the strength and durability of concrete.

2. Manufacturing: Carbon steel square bars also play an important role in the manufacturing industry. It can be used to make mechanical parts, bearings, gears, etc. Its high strength and wear resistance make it ideal for these parts. In addition, carbon steel square bars can also be used to make knives and cutting tools, such as drill bits, milling cutters and saw blades.

3. Automotive and aerospace industry: In automobile manufacturing, carbon steel square bars are used to manufacture body parts, engine parts, chassis components, etc. Its high strength and corrosion resistance allow it to withstand high speeds and harsh environmental conditions. In the aerospace industry, carbon steel square bars can be used to manufacture structural parts and engine parts of aircraft to ensure the safety and reliability of aircraft.

4. Furniture and daily necessities: Carbon steel square bars can also be used to make furniture and daily necessities, such as table and chair legs, bed frames, clothes hangers and other furniture parts. Its sturdiness and stability can withstand heavy loads and prolonged use. At the same time, carbon steel square bars can also be used to make kitchen utensils, home appliance parts and decorations, etc.


Why Should You Buy From Us?

1. Our experienced team can provide you with the most professional steel purchase plan, the most favorable price and transportation method.
2. All our products will go through factory inspection, quality assurance.
3. Can provide customers with comprehensive production pictures/videos. The whole process from production to delivery to your designated location can be tracked.
4. Provide the most competitive price, on the premise of ensuring the quality. As a leading steel group in China, we have our own warehouses all over the country and always have a large stock for fast delivery.

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