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Steel Flat Bars

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Steel Flat Bars

Steel Flat Bars

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Flat steel refers to steel with a width of 12-300mm, a thickness of 3-60mm, a rectangular cross-section and slightly blunt edges. Flat steel can be finished steel, and can also be used as blanks for welded pipes and thin slabs for stacked thin plates.

Main application: Flat steel can be used as a finished material to make hoop iron, tools and mechanical parts, and it can be used as a structural part of a house frame and an escalator in a building.

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Place of OriginChina
Brand NameHNJBL
CertificationBV SGS CE TUV

Minimum Order Quantity1Ton
Packaging DetailsStandard seaworthy export packing or according to the customers' request
Delivery Time7-15 working days after the receipt of 30% deposit
Payment TermsTT or L/C
Supply Ability25000Tons/per month


Flat steel is a metal material with a flat appearance, which usually has a long strip-like structure with a large plane width and a thin thickness. They are usually made of steel material, can be cold rolled or hot rolled, and have a grayish-black appearance. Flat steel has some very significant properties, such as changes in the heat treatment process that will affect its hardness and toughness. During the heating process, the molecular structure of the steel changes, resulting in changes in its physical properties such as hardness, strength, and toughness. As a result, flat bars often need to be heated to achieve the required hardness and toughness. The choice of heating temperature and time will affect the final properties of the flat bar.

In addition, flat bars are resistant to corrosion and wear, which makes them particularly suitable for applications in areas such as marine, mechanical and construction engineering that require resistance to harsh environments. Due to its long strip structure, flat bars require special tools and machines during processes such as cutting, bending, and stamping to guarantee consistency in their appearance and dimensions. 


(1)In the machinery manufacturing industry, it can be used to manufacture various parts, such as bearing supports, pins, shafts, cams, gears, machine tool guides, etc. At the same time, flat steel can not only be used as a processing tool, but also as a component for equipment fixation and connection.

(2)In the construction industry, flat bars are widely used to reinforce building structures, which can be anchored into concrete to increase the strength and stability of concrete structures.

(3)Flat steel can be used to make balcony handrails, stair handrails and other accessories to provide better security for buildings.

(4)In agricultural production, flat steel can be used to make agricultural machinery, farm carts and other tools, such as overhead cranes, pig trough racks, duck cage racks, etc. 


Product NameCarbon steel flat bar
StandardJIS G3101 EN10025 ASTM A36 ASTM A572 ASTM A992
Material GradeQ195-Q420 Series,S235JR-S355JR Series,ST Series,A36-A992 Series,Gr50 Series
Thickness4-12mm or as your request
TechniqueHot Rolled /cold drawn
Surface TreatmentBlack Painted / Oiled /Galvanized
Width8-140 mm
Length1-12m or as your request
MOQ1 ton
Lead Time7-15 days after receive the deposit.
PackingStandard sea-worthy package or as required

Competitive Advantage:

1.HNJBL has a strong R&D team and advanced production equipment. The advanced production equipment ensures the stable and efficient production of products, which greatly enhances the company's productivity.

2.HNJBL focuses on customer needs and provides customized solutions. The company has a professional team to provide customers with personalized product selection and technical support services.

3.HNJBL has a complete and extensive sales network, which covers many regions and countries. The company has also established good cooperative relationships with many well-known steel companies, which not only expands its market share but also enhances its brand influence.

4.The company has a well-managed supply chain system. The company strictly controls the quality of the raw materials and manages the whole production process to ensure high-quality products. The efficient supply chain system ensures timely product delivery and reduces transportation costs, which makes the company more competitive in the market.


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