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: What is the difference between hot-rolled and cold-worked steel rebars?: The main difference between hot-rolled and cold-worked steel rebars lies in the manufacturing process. Hot-rolled steel rebars are produced by heating the steel billets to high temperatures and then passing them through rolling mills to create the desired shape and size. This process results in a rougher surface and higher yield strength compared to cold-worked steel rebars. On the other hand, cold-worked steel rebars are made by subjecting the hot-rolled steel bars to additional processing steps, such as cold drawing or cold rolling. This process enhances the mechanical properties of the steel, including improved tensile strength, dimensional accuracy, and a smoother surface finish. In summary, hot-rolled steel rebars are formed through high-temperature rolling, while cold-worked steel rebars undergo additional steps to further refine their properties, resulting in a smoother surface and improved mechanical strength.

Q: How are steel rebars protected against chemical attacks?: Steel rebars are typically protected against chemical attacks through the use of protective coatings or by incorporating corrosion inhibitors in the concrete mix. These measures act as barriers, preventing corrosive elements from reaching and damaging the steel rebars.

Q: Can steel rebars be spliced or joined together on-site?: Yes, steel rebars can be spliced or joined together on-site using various methods such as mechanical splicing, lap splicing, or welded splicing. This allows for flexibility in construction projects and helps to achieve the required length or shape of the rebar structure.

Q: What are the different types of corrosion protection coatings for steel rebars?: Steel rebars have a variety of corrosion protection coatings available, each offering different levels of durability and protection. 1. Epoxy Coatings: Considered one of the most effective options, epoxy coatings create a thick and durable barrier that prevents moisture and corrosive substances from reaching the steel surface. They can be applied using spray, brush, or dip methods and exhibit excellent adhesion and resistance to chemicals. 2. Zinc Coatings: Zinc coatings, such as hot-dip galvanization or zinc-rich paint, are a popular choice for corrosion protection. These coatings sacrifice the zinc to protect the steel rebars, making them highly effective even in harsh environments. The thickness of the zinc coating can be adjusted based on the desired level of protection. 3. Fusion-Bonded Epoxy (FBE) Coatings: FBE coatings are commonly used in underground or submerged applications. They are applied by heating the steel rebar, causing the epoxy powder to melt and bond to the surface. FBE coatings provide excellent resistance to corrosion, chemicals, abrasion, and impact. 4. Polymer Coatings: Polymer coatings, such as polyurethane or polyethylene, are ideal for high-temperature environments or situations requiring chemical resistance. These coatings form a protective barrier that is resistant to UV radiation, abrasion, and chemicals. They can be applied using spray or dip methods and adhere well to the steel surface. 5. Concrete Coatings: In reinforced concrete structures, the concrete itself can act as a corrosion protection coating for steel rebars. The high alkalinity of concrete creates a passivating layer around the steel, preventing corrosion. Corrosion inhibitors added to the concrete mix can enhance the protection of steel rebars. Choosing the right corrosion protection coating depends on factors such as the environment, intended use, and desired durability. Consulting with corrosion protection experts or experienced engineers can help determine the most suitable coating for steel rebars in any given situation.

Q: Can steel rebars be used in structures with limited construction timeframes?: Structures with limited construction timeframes can indeed utilize steel rebars. These rebars are frequently employed in construction projects due to their remarkable tensile strength, making them ideal for reinforcing concrete structures. Speedy and efficient installation is achievable with steel rebars, enabling faster construction compared to alternative reinforcement materials. Moreover, steel rebars offer durability and long-term stability, guaranteeing the integrity of the structure, even in time-constrained projects. Hence, employing steel rebars proves to be an effective solution for structures with limited construction timeframes, as they deliver both strength and swiftness in the construction process.

Q: Are steel rebars suitable for use in earthquake-prone regions?: Yes, steel rebars are suitable for use in earthquake-prone regions. Steel rebars are commonly used in the construction industry to reinforce concrete structures, making them stronger and more resistant to the forces generated by earthquakes. The ductile nature of steel allows it to absorb and distribute the energy produced during an earthquake, thereby reducing potential damage. Furthermore, steel rebars enhance the overall structural integrity of buildings, making them more capable of withstanding seismic activities. Additionally, steel rebars can be designed and installed in a way that meets seismic design codes and standards specific to earthquake-prone regions, ensuring the safety of the structures. Overall, steel rebars are an effective and reliable choice for reinforcing buildings in earthquake-prone regions.

Q: What grade of reinforcement is used for cast-in-place floorslab?: Cast-in-place floors are usually made of grade two steel.Cast-in-place is relative to the precast slab, casting is to place a good template on the site, the installation of steel reinforcement on the template, and then pouring concrete on the template, and then remove the template.

Q: Can steel rebars be used in swimming pool construction?: Yes, steel rebars can be used in swimming pool construction. They are often used as reinforcement in the concrete structure of the pool to provide strength and durability. The rebars help to prevent cracking and ensure the pool can withstand the pressure of the water.

Q: Are steel rebars suitable for use in tunnels and underground mines?: Tunnels and underground mines can benefit greatly from the use of steel rebars. These reinforcement bars, also called steel rebars, are commonly utilized in construction due to their strength and durability. In environments where structural integrity is crucial, such as tunnels and underground mines, steel rebars offer the necessary reinforcement to withstand the heavy loads and pressures associated with these settings. Steel rebars possess exceptional tensile strength, enabling them to resist bending and cracking even under high stress. This attribute is particularly important in tunnels and underground mines, where the surrounding rock and soil exert significant pressure on the structure. By reinforcing the concrete or other structural materials with steel rebars, the overall strength and stability of the tunnel or mine are enhanced, mitigating the risk of collapse or damage. Moreover, steel rebars exhibit resistance to corrosion, rendering them suitable for use in underground environments where moisture and chemical exposure are prevalent. Corrosion can weaken reinforcement materials, compromising the safety of the tunnel or mine. Conversely, steel rebars provide long-lasting reinforcement, ensuring the infrastructure's longevity and reliability. Additionally, steel rebars offer convenience in fabrication and installation, making them a practical choice for tunnel and underground mine construction. They can be easily cut and bent into specific shapes and sizes, facilitating customized reinforcement solutions tailored to the unique requirements of each project. This versatility and ease of installation make steel rebars an advantageous option for tunnels and underground mines, which often encounter complex geometries and challenging conditions. In conclusion, steel rebars are an ideal choice for tunnels and underground mines due to their strength, durability, corrosion resistance, and ease of installation. By utilizing steel rebars as reinforcement, these structures can be built to withstand demanding conditions, ensuring the safety of workers and the long-term viability of the infrastructure.

Q: How are steel rebars protected during concrete pouring?: Steel rebars are typically protected during concrete pouring by using a layer of epoxy coating or corrosion-resistant paint. This protective layer acts as a barrier between the rebar and the concrete, preventing direct contact and reducing the risk of corrosion. Additionally, plastic or foam covers can be used to shield the rebars from the wet concrete, ensuring proper adhesion and preventing damage during the pouring process.

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