ANGLE STEEL 30-250MM

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

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Angle Steel Details:

Minimum Order Quantity:	25mtons	Unit:	m.t.	Loading Port:	China Main Port
Supply Ability:	80000-100000MTS/YEAR	Payment Terms:	TT or LC

Product Description:

Specifications of Angle Steel

1. Invoicing on theoretical weight or actual weight as customer request

2. Length: 6m, 9m, 12m as following table

3. Sizes

Angle Steel

Sizes: 25mm-250mm
a*t
25*2.5-4.0	70*6.0-9.0	130*9.0-15
30*2.5-6.6	75*6.0-9.0	140*10-14
36*3.0-5.0	80*5.0-10	150*10-20
38*2.3-6.0	90*7.0-10	160*10-16
40*3.0-5.0	100*6.0-12	175*12-15
45*4.0-6.0	110*8.0-10	180*12-18
50*4.0-6.0	120*6.0-15	200*14-25
60*4.0-8.0	125*8.0-14	250*25

5. Payment terms:

1).100% irrevocable L/C at sight.

2).30% T/T prepaid and the balance against the copy of B/L.

3).30% T/T prepaid and the balance against L/C

6.Material details:

Alloy No	Grade	Element (%)
		C	Mn	S	P	Si
		C	Mn	S	P	Si

Q235	B	0.12—0.20	0.3—0.7	≤0.045	≤0.045	≤0.3

Alloy No	Grade	Yielding strength point( Mpa)
		Thickness (mm)
		≤16	＞16--40		＞40--60	＞60--100
		≥

Q235	B	235		225	215	205
Alloy No	Grade	Tensile strength (Mpa)	Elongation after fracture (%)
		Tensile strength (Mpa)	Thickness (mm)
			≤16	＞16--40	＞40--60	＞60--100
			≥

Q235	B	375--500	26	25	24	23

Usage & Applications of Angle Steel

According to the needs of different structures, Angle can compose to different force support component, and also can be the connections between components. It is widely used in various building structures and engineering structures such as roof beams, bridges, transmission towers, hoisting machinery and transport machinery, ships, industrial furnaces, reaction tower, container frame and warehouse etc.

Packaging & Delivery of Angle Steel

1. Packing: it is nude packed in bundles by steel wire rod

2. Bundle weight: not more than 3.5MT for bulk vessel; less than 3 MT for container load

3. Marks:

Color marking: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.

Tag mark: there will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.

If loading by container the marking is not needed, but we will prepare it as customer request.

Production flow of Angle Steel

Material prepare (billet) —heat up—rough rolling—precision rolling—cooling—packing—storage and transportation

Q: Can steel rebars be used in the construction of nuclear power plants?: Yes, steel rebars can be used in the construction of nuclear power plants. They are commonly employed in reinforced concrete structures to provide strength and stability. However, specific requirements and regulations must be followed to ensure the rebars meet the necessary standards for nuclear power plant construction in terms of quality, composition, and performance.

Q: Are steel rebars resistant to chemical exposure?: Steel rebars are generally resistant to chemical exposure. The high strength and durability of steel make it less prone to corrosion and degradation when exposed to chemicals. However, there are certain chemicals that can still have a detrimental effect on steel rebars. Acids, such as sulfuric acid, can corrode steel and weaken its structure over time. Additionally, some highly alkaline substances can also cause corrosion in steel rebars. Therefore, while steel rebars are resistant to many chemicals, it is important to consider the specific chemical environment and take necessary precautions to protect them from potential damage.

Q: How are steel rebars cut to size on construction sites?: Steel rebars are commonly resized on construction sites using various tools and techniques. One frequently used approach involves the utilization of a rebar cutter, which is a handheld tool specifically designed for this task. This tool typically functions with a hydraulic, electric, or pneumatic system, providing the necessary force to slice through the steel. Rebar cutters are generally capable of handling different rebar sizes, allowing for accurate and efficient cutting. Another commonly employed method is the use of a cutting torch, which employs a mixture of oxygen and acetylene to generate a high-temperature flame. This flame is then directed onto the steel rebar, causing it to melt and enabling easy cutting. Cutting torches are often preferred when the rebars need to be cut at specific angles or shapes, as they offer a greater degree of customization. Furthermore, construction sites may also utilize portable saws, such as reciprocating saws or circular saws, equipped with specialized blades designed for cutting through steel. These saws are particularly beneficial when multiple rebars need to be cut simultaneously or when there is a need for more precise and accurate cuts. Irrespective of the method employed, safety precautions are always implemented on construction sites during the steel rebar cutting process. Workers are required to wear appropriate protective gear, including gloves, goggles, and masks, to shield themselves from sparks, flying debris, and fumes. Additionally, the area surrounding the cutting operation is often cordoned off to ensure the safety of other workers and prevent accidents. In conclusion, the resizing of steel rebars on construction sites necessitates the use of specialized tools such as rebar cutters, cutting torches, or portable saws. These tools, in conjunction with safety measures, facilitate the accurate and efficient cutting of rebars to the required dimensions, ensuring a perfect fit in the construction project at hand.

Q: What is the role of steel rebars in the construction of retaining walls?: Steel rebars play a crucial role in the construction of retaining walls as they provide reinforcement and strength to the wall structure. They are embedded within the concrete to enhance its tensile strength and prevent cracking or collapsing under pressure. The rebars distribute the load evenly and help the retaining wall resist the lateral forces exerted by the soil or water behind it, ensuring stability and durability of the structure.

Q: Can steel rebars be used in structures with high resistance to earthquakes?: Structures with high resistance to earthquakes can make use of steel rebars. These rebars are commonly incorporated in reinforced concrete structures to enhance strength and durability. In areas prone to earthquakes, it is crucial to design and construct buildings capable of withstanding seismic forces. Properly incorporating steel rebars into the structural design can contribute to improving the overall seismic performance of a building. In earthquake-resistant structures, steel rebars offer several advantages. Firstly, they increase the tensile strength of concrete, which is typically weak in tension. This reinforcement helps prevent cracking and failure of the concrete during seismic events. Additionally, steel rebars improve the ductility of the structure, allowing it to absorb and dissipate energy during earthquakes. This ductile behavior helps minimize structural damage and ensures the building remains stable and safe. Moreover, steel rebars can be combined with other seismic design techniques to enhance the overall performance of the structure. For instance, they can be used in conjunction with specialized concrete mixes like high-strength or fiber-reinforced concrete to further improve seismic resistance. Advanced structural systems such as moment frames or shear walls can also be integrated with steel rebars to provide even greater earthquake resistance. However, it is important to note that the earthquake resistance of a structure does not solely depend on the use of steel rebars. Proper design, construction techniques, and adherence to seismic building codes are equally crucial factors. Engineers must consider various aspects, including the building's location, soil conditions, and anticipated seismic loads, to ensure the structural integrity and safety of the building. In conclusion, steel rebars can effectively enhance the earthquake resistance of structures. By incorporating them into reinforced concrete structures, the tensile strength and ductility are improved, enabling the building to withstand seismic forces. Nevertheless, it is essential to implement comprehensive seismic design strategies and adhere to building codes to ensure the overall safety and performance of the structure.

Q: What is the process of calculating the required quantity of steel rebars for a project?: The process of calculating the required quantity of steel rebars for a project involves several key steps. Firstly, you need to determine the design requirements and specifications of the project. This includes understanding the structural drawings, plans, and any relevant building codes or regulations. Next, you need to identify the specific areas where steel rebars will be used. This can include foundations, columns, beams, slabs, and any other structural elements that require reinforcement. Once the areas are identified, you need to calculate the total length of rebars required for each element. This is done by measuring the dimensions of the elements and determining the required spacing and overlap of the rebars. After obtaining the lengths, you need to consider the bar diameter and spacing requirements, as specified in the design. This will help you calculate the number of rebars needed for each element. In addition to the length and number of rebars, you also need to consider wastage and additional reinforcement requirements. It is common practice to add a percentage of wastage (usually around 2-5%) to account for cutting and bending of the rebars. You may also need to add extra bars for special conditions or to meet the design requirements. Finally, you should create a detailed bar bending schedule (BBS) that includes all the necessary information such as bar sizes, lengths, shapes, and placement details. This schedule acts as a guide for the construction team during the installation process. It is important to note that the process of calculating the required quantity of steel rebars may vary depending on the complexity and size of the project. It is recommended to consult with a structural engineer or a professional rebar detailer to ensure accurate calculations and adherence to the project's specifications.

Q: What is the role of steel rebars in load-bearing walls?: Steel rebars are used in load-bearing walls to provide reinforcement and structural stability. They enhance the strength and durability of the walls, allowing them to bear heavy loads and resist bending or cracking. The rebars are embedded within the concrete, creating a reinforced concrete structure that can support the weight of the building and distribute the load evenly throughout the wall.

Q: Can steel rebars be used in structures with limited construction permits?: No, steel rebars cannot be used in structures with limited construction permits. The use of steel rebars in construction typically requires proper permits and approvals due to safety and structural considerations.

Q: Can steel rebars be used in wind turbine foundation construction?: Yes, steel rebars can be used in wind turbine foundation construction. Rebars are commonly used in the construction industry to reinforce concrete structures and provide added strength and durability. In wind turbine foundation construction, steel rebars are typically embedded within the concrete to provide structural support and prevent cracking or failure. The rebars help distribute the load and forces exerted by the wind turbine, ensuring the stability and longevity of the foundation. Additionally, steel rebars have high tensile strength, making them suitable for withstanding the dynamic forces and vibrations experienced by wind turbines. Therefore, the use of steel rebars in wind turbine foundation construction is a common and effective practice.

Q: Can steel rebars be used in structures with limited accessibility?: Yes, steel rebars can be used in structures with limited accessibility. Due to their small size and flexibility, rebars can be easily maneuvered and installed in areas with restricted access, making them suitable for various construction projects.

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