Steel Deformed Rebars ASTM GR40 System 1

Steel Deformed Rebars ASTM GR40

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Product Description:

OKorder is offering Steel Deformed Rebars ASTM GR40 at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

Steel Deformed Rebars ASTM GR40 are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

Product Advantages:

OKorder's Steel Deformed Rebars ASTM GR40 are durable, strong, and wide variety of sizes.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

Manufacture: Hot rolled

Grade: ASTM GR40,GR60

Size: 6mm-32mm

Certificates: ISO, SGS, BV, CIQ

Length: 6m – 12m, as per customer request

Packaging: Export packing, nude packing, bundled

DEFORMED BAR
SIZE d(mm)	theoretical kg/m
6	0.222
8	0.395
10	0.617
12	0.888
14	1.21
16	1.58
18	2
20	2.47
22	2.98
25	3.85
28	4.83
32	6.31

FAQ:

Q1: How soon can we receive the product after purchase?

A1: Within three days of placing an order, we will arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: what is the difference between actual weight and theoretical weight?

A3: All the section steel has two weights: actual weight and theoretical weight. Actual weight is the weighing out when the product delivered from the mill. Theoretical weight is calculated by pieces. The invoice can be based on each of them as your request.

Images:

Steel Deformed Rebars ASTM GR40

Q:How are steel rebars protected from fire damage?: Steel rebars can be safeguarded against fire damage using a variety of techniques. One commonly employed approach involves applying fire-resistant coatings to the rebars. These coatings are specifically formulated to endure high temperatures and prevent the steel from reaching its critical temperature, at which point its structural integrity would be compromised. Another method involves encasing the rebars in fire-resistant concrete. This specially designed concrete acts as a shield, impeding the direct transfer of heat to the steel rebars and thus safeguarding them from fire damage. Additionally, temporary protection for steel rebars during construction can be provided by using fire-resistant wraps or blankets. These wraps are crafted from materials that are resistant to fire and are directly applied to the rebars, creating a barrier that prevents direct exposure to fire. It is crucial to note that the level of fire protection necessary for steel rebars is contingent upon the specific building codes and regulations in place. These codes typically stipulate the minimum fire resistance rating that must be attained for structural elements, including rebars, in order to guarantee the safety of the building and its occupants.

Q:Are steel rebars fire resistant?: Yes, steel rebars are fire resistant.

Q:Can steel rebars be used in modular bridge construction?: Yes, steel rebars can be used in modular bridge construction. Steel rebars provide strength, durability, and structural stability to the bridge modules, making them an ideal choice for this type of construction.

Q:Is the shear wall concealed column stirrup steel or round steel? What are you asking for?: Round bar is the finished steel hot rolling and cooling, by ordinary low carbon steel and alloy steel under the condition of high temperature pressing, mainly used for reinforcement of reinforced concrete and prestressed concrete structure, is one of the varieties of steel used in civil engineering in the largest amount.

Q:Can steel rebars be used in tunnel construction?: Yes, steel rebars can be used in tunnel construction.

Q:What is the effect of impurities on the corrosion resistance of steel rebars?: Impurities can have a significant effect on the corrosion resistance of steel rebars. Steel rebars are primarily composed of iron and carbon, but impurities such as sulfur, phosphorus, and silicon can be present in varying amounts. Sulfur, for example, is a common impurity found in steel. It can react with water and oxygen to form sulfuric acid, which accelerates the corrosion process. This acid attack can cause the rebars to deteriorate faster, reducing their overall strength and durability. Phosphorus is another impurity that can negatively impact the corrosion resistance of steel rebars. It can promote the formation of localized corrosion sites, known as pitting, which can lead to the development of rust and eventual structural damage. Silicon, although generally considered a beneficial element in steel production, can also have an adverse effect when present in excessive amounts. Higher silicon levels in rebars can lead to the formation of a protective oxide layer, but this layer can sometimes be porous, allowing the penetration of corrosive agents and resulting in corrosion. Overall, the presence of impurities in steel rebars can compromise their corrosion resistance. It is crucial to ensure that the steel used in construction meets the specified standards and contains minimal impurities. Additionally, proper maintenance and regular inspection of rebars are essential to identify and address any potential corrosion issues before they lead to significant damage or structural failures.

Q:How are steel rebars connected or joined together?: Steel rebars are commonly connected or joined together using different techniques such as overlapping, welding, mechanical splicing, or using couplers. These methods ensure a strong and secure connection between the rebars, enhancing the structural integrity of reinforced concrete elements.

Q:How do steel rebars affect the thermal conductivity of concrete structures?: Steel rebars have a significant impact on the thermal conductivity of concrete structures. The inclusion of steel rebars in concrete increases the overall thermal conductivity of the structure. This is because steel has a much higher thermal conductivity than concrete. Consequently, heat transfer through the concrete is facilitated by the presence of steel rebars, leading to a higher overall thermal conductivity of the structure.

Q:Can steel rebars be used in the construction of stadiums for indoor sports?: Yes, steel rebars can be used in the construction of stadiums for indoor sports. Steel rebars are commonly used in construction projects to reinforce concrete structures, including stadiums. They provide strength and durability to the concrete, making it capable of withstanding heavy loads and ensuring the safety and stability of the stadium.

Q:Are steel rebars suitable for reinforcement in parking garages?: Yes, steel rebars are highly suitable for reinforcement in parking garages. Steel rebars provide excellent structural integrity, durability, and resistance to corrosion, making them an ideal choice for reinforcing concrete structures like parking garages. Their high tensile strength helps absorb the stress and load-bearing requirements of the parking garage, ensuring its long-term stability and safety.

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