SS400 Q235B hot rolled steel flat bar Slitting flat bar galvanized flat bar

SS400 Q235B hot rolled steel flat bar Slitting flat bar galvanized flat bar System 1

SS400 Q235B hot rolled steel flat bar Slitting flat bar galvanized flat bar

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 28 m.t.

Supply Capability:: 34000 m.t./month

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Specifications

steel flat bar
steel flat bar thick : 2-20mm
steel flat bar wide : 10-870mm
steel flat bar length : 6m;9m;12m

Hot Rolled Flat Bar/ Slitting Flat Bar

1.We produce all the specifications of hot rolled flat steel and slitting flat bar
2.Lgare quantity in stock.
3.Best service.

flat bar

1.size: 20--150mm *2--20mm a36 flat bar

2.material:Q235 SS400 a36 flat bar

3.width:20-150mm
4.thickness:2--20mm

5.flat steel

1) Size: 2# - 150#

2) steel grade:Q195-Q235, ss400, s235 s275 s355 st37 st52.....

Packing:Suitable for export with hooks for easy unloading of material with bundle weightabout 2MT

Size	Width	Tolerance	Thickness	Tolerance
20	20	+0.5 -1	2--4	+0.3 -0.5
22	22	+0.5 -1	2--4	+0.3 -0.5
25	25	+0.5 -1	2--6	+0.3 -0.5
28	28	+0.5 -1	2--6	+0.3 -0.5
30	30	+0.5 -1	2--6	+0.3 -0.5
32	32	+0.5 -1	2--6	+0.3 -0.5
35	35	+0.5 -1	2--6	+0.3 -0.5
40	40	+0.5 -1	36	+0.3 -0.5
45	45	+0.5 -1	36	+0.3 -0.5
50	50	+0.5 -1	36	+0.3 -0.5
55	55	+0.6 -1.3	3--6	+0.3 -0.5
60	60	+0.6 -1.3	3--10	+0.3 -0.5
65	65	+0.6 -1.3	3--10	+0.3 -0.5
70	70	+0.6 -1.3	3--10	+0.3 -0.5
75	75	+0.6 -1.3	3--10	+0.3 -0.5
80	80	+0.9 -1.8	3--10	+0.3 -0.5
85	85	+0.9 -1.8	6--10	+0.3 -0.5
90	90	+0.9 -1.8	6--10	+0.3 -0.5
95	95	+0.9 -1.8	6--10	+0.3 -0.5
100	100	+0.9 -1.8	6--12	+0.3 -0.5
105	105	+1 -2	6--12	+0.3 -0.5
110	110	+1 -2	6--12	+0.3 -0.5
120	120	+1 -2	6--20	+0.3 -0.5
125	125	+1 -2	6--20	+0.3 -0.5
130	130	+1 -2	6--20	+0.3 -0.5
140	140	+1 -2	6--20	+0.3 -0.5
150	150	+1 -2	6--20	+0.3 -0.5

SS400 Q235B hot rolled steel flat bar Slitting flat bar galvanized flat bar

Q: Are steel flat bars suitable for making gears or sprockets?: Steel flat bars are indeed suitable for making gears or sprockets, especially if they are made from high-quality steel. Steel is known for its strength, durability, and resistance to wear and tear, making it an excellent material for gears and sprockets that need to withstand heavy loads and repetitive motion. Additionally, steel can be easily machined and shaped into the desired gear or sprocket profiles, making it a versatile choice for such applications. However, it is important to note that the specific requirements of the gears or sprockets, such as size, tooth profile, and surface finish, should be taken into consideration when selecting the appropriate steel flat bar for the job.

Q: Can steel flat bars be used for manufacturing aerospace components?: Yes, steel flat bars can be used for manufacturing aerospace components. Steel is a common material used in aerospace manufacturing due to its high strength and durability. Flat bars can be machined, formed, and welded to create various aerospace components such as brackets, supports, and structural elements. However, the specific grade and specifications of the steel should be carefully considered to meet the stringent requirements of the aerospace industry.

Q: Can steel flat bars be used as reinforcement in concrete?: Steel flat bars can indeed serve as reinforcement in concrete. They are widely recognized as either flat bars or flat steel bars. Concrete structures frequently incorporate these bars to bolster their strength, longevity, and overall stability. By integrating the steel bars into the concrete matrix, they confer tensile strength and safeguard against cracking or failure when subjected to a load. Utilizing flat bars as reinforcement in concrete yields numerous benefits, including heightened resistance to bending, augmented load-bearing capacity, and enhanced structural integrity.

Q: How are steel flat bars measured and specified?: Steel flat bars are typically measured and specified by their width, thickness, and length. The width refers to the measurement across the bar's broadest side, while the thickness indicates the measurement of the bar's narrowest side. The length specifies the overall size of the bar. These measurements are important for accurately determining the dimensions and specifications of steel flat bars, allowing for proper selection and use in various applications.

Q: How do you determine the fatigue strength of a steel flat bar?: There are multiple steps and tests available to determine the fatigue strength of a steel flat bar. First and foremost, it is crucial to grasp the concept of fatigue strength. Fatigue strength refers to the maximum stress level that a material can endure cyclic loading without failure or damage. For a steel flat bar, determining its fatigue strength is essential to ensure its durability and reliability in applications that involve repeated or cyclic loading. One prevalent method to determine fatigue strength is through a fatigue test. This test entails subjecting the steel flat bar to cyclic loading, typically in the form of alternating tensile and compressive stresses. The test is commonly conducted using a fatigue testing machine or a universal testing machine equipped with a fatigue testing rig. During the fatigue test, the steel flat bar is loaded with a specific stress level known as the stress amplitude. The stress amplitude represents the difference between the maximum and minimum stress levels experienced by the material during each loading cycle. The test is typically carried out at a constant stress amplitude, and the number of cycles until failure is recorded. By plotting the stress amplitude against the number of cycles until failure on a graph, engineers and researchers can obtain a fatigue curve or S-N curve. This curve provides valuable information about the fatigue strength of the steel flat bar. It depicts the relationship between the stress amplitude and the number of cycles until failure, enabling the determination of the material's fatigue limit or endurance limit. The fatigue limit represents the maximum stress amplitude that the steel flat bar can withstand without experiencing failure after an infinite number of cycles. It serves as the threshold below which the material will not fail due to fatigue. Consequently, it is a critical parameter to consider in design and engineering applications. Aside from fatigue testing, other factors also impact the fatigue strength of a steel flat bar. These factors include surface finish, material composition, heat treatment, and residual stresses. If necessary, these factors can be analyzed and adjusted to enhance the material's fatigue strength. Overall, determining the fatigue strength of a steel flat bar involves conducting fatigue tests, analyzing fatigue curves, and considering various factors that influence the material's endurance limit. This information is vital to ensure the safe and reliable performance of the steel flat bar in applications subjected to cyclic loading.

Q: How do steel flat bars contribute to the fire resistance of structures?: Steel flat bars contribute to the fire resistance of structures in several ways. Firstly, steel is a non-combustible material, which means it does not burn or contribute to the spread of fire. This property alone makes steel flat bars an excellent choice for construction in fire-prone areas. Additionally, steel flat bars have a high melting point compared to other materials commonly used in construction. This means that in the event of a fire, steel flat bars will maintain their structural integrity for a longer period of time, providing a secure framework for the building. This is crucial for the safety of occupants and firefighters, as it allows for a longer period of evacuation and firefighting efforts. Furthermore, steel flat bars can act as fire barriers, preventing the spread of flames from one area of the structure to another. When used in conjunction with fire-resistant materials such as gypsum board or concrete, steel flat bars can create compartmentalized spaces that contain the fire, limiting its ability to spread and minimizing the damage caused. Moreover, steel flat bars can help to reinforce the overall strength and stability of a structure, even under extreme heat conditions. This is due to the high tensile strength and durability of steel. By incorporating steel flat bars into the structural design, buildings can be better equipped to withstand the effects of fire and maintain their load-bearing capacity. In summary, steel flat bars contribute to the fire resistance of structures by being non-combustible, maintaining their structural integrity at high temperatures, acting as fire barriers, and enhancing overall structural strength. These properties make steel flat bars an essential component in fire-resistant construction, ensuring the safety and longevity of buildings in the face of fire hazards.

Q: Are steel flat bars suitable for outdoor applications?: Steel flat bars are well-suited for outdoor use. The durability and strength of steel make it an excellent choice for this purpose. In fact, steel flat bars can endure harsh weather conditions, including rain, snow, and extreme temperatures, without compromising their structural integrity. They are also resistant to corrosion and can withstand exposure to moisture and UV rays. This makes them perfect for outdoor projects. Moreover, steel flat bars are highly versatile and can be easily welded, bent, or shaped to meet specific requirements. This makes them suitable for a wide range of outdoor applications, such as fences, gates, handrails, and outdoor furniture. All in all, steel flat bars are a dependable and long-lasting option for outdoor use.

Q: Can steel flat bars be used in the construction of staircases or handrails?: Yes, steel flat bars can definitely be used in the construction of staircases or handrails. Steel is a highly durable and versatile material that is commonly used in the construction industry. It offers a high strength-to-weight ratio, making it ideal for supporting heavy loads and providing structural stability. Steel flat bars can be shaped and welded to create the necessary components for staircases and handrails. They can be used as stringers, which are the main structural supports of a staircase, or as balusters, which are the vertical posts that support the handrail. Steel flat bars can also be used as the handrail itself, providing a strong and secure grip for users. Additionally, steel flat bars can be easily customized to meet specific design requirements. They can be cut to the desired length, drilled for attaching hardware, and finished with various coatings to enhance their appearance and protect against corrosion. This makes steel flat bars a highly flexible option for constructing staircases and handrails that can be tailored to fit any architectural style or design preference. Overall, steel flat bars are a reliable and durable choice for the construction of staircases and handrails. They offer strength, stability, and versatility, making them a popular choice for both residential and commercial projects.

Q: Are steel flat bars suitable for aerospace applications?: Yes, steel flat bars are suitable for aerospace applications. Steel is a commonly used material in the aerospace industry due to its high strength, durability, and excellent mechanical properties. Steel flat bars offer a versatile and cost-effective solution for various aerospace components and structures. They can be used for manufacturing aircraft frames, wings, landing gears, and other critical parts that require high strength and rigidity. Additionally, steel flat bars can be easily machined, welded, and formed into different shapes and sizes, making them suitable for a wide range of aerospace applications.

Q: How do you determine the load capacity of a steel flat bar?: To determine the load capacity of a steel flat bar, several factors must be taken into account. The load capacity primarily depends on the strength and dimensions of the material. Here are the steps you can follow to determine the load capacity: 1. Identify the steel grade: Mechanical properties such as yield strength and ultimate tensile strength vary depending on the steel grade. These properties determine the material's ability to bear loads. The steel grade is usually specified by the manufacturer or can be determined through material testing. 2. Determine the dimensions: Measure the width, thickness, and length of the steel flat bar. The dimensions directly impact the load capacity. A wider and thicker bar will have a greater load-bearing capacity compared to a narrower and thinner one. 3. Calculate the cross-sectional area: Multiply the width by the thickness of the flat bar to obtain its cross-sectional area (A). This value represents the amount of material that is subjected to the load and is crucial for subsequent calculations. 4. Determine the maximum allowable stress: The maximum allowable stress or working stress is a design parameter that depends on the steel grade and the application requirements. It is typically defined in engineering codes or standards. The maximum allowable stress is often expressed in units of force per unit area (e.g., N/mm² or psi). 5. Calculate the load capacity: To calculate the load capacity, multiply the cross-sectional area (A) by the maximum allowable stress (σ). The load capacity (P) can be expressed as P = A * σ. 6. Consider safety factors: Safety factors are applied in engineering design to ensure a margin of safety. They account for uncertainties in material properties, manufacturing processes, and loading conditions. Safety factors typically range from 1.5 to 4, depending on the required level of confidence. It's important to note that the load capacity calculation assumes a uniform distribution of the load across the entire length of the flat bar. In real-life situations, the load may be concentrated on specific points or areas, requiring additional calculations or design considerations. If you're uncertain, it's always recommended to consult a structural engineer or refer to relevant design guidelines for accurate load capacity determination.

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