ASTM A615 Grade60 Mild Deformed Steel Rebar

ASTM A615 Grade60 Mild Deformed Steel Rebar System 1

ASTM A615 Grade60 Mild Deformed Steel Rebar System 2

ASTM A615 Grade60 Mild Deformed Steel Rebar System 3

ASTM A615 Grade60 Mild Deformed Steel Rebar System 4

ASTM A615 Grade60 Mild Deformed Steel Rebar

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 m.t./month

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ASTM A615 Grade60 Mild Deformed Steel Rebar

Details of the ASTM A615 Grade60 Mild Deformed Steel Rebar

Standard & Grade:	GB1499-98 : HRB335,HRB400,HRB500
	BS4449-1997 : GR460,GR500
	CAN/CSA-G30.18-M92 : 400W
	ASTM A615 : Gr.40, Gr.60
Diameter:	6mm;8mm;10mm;12mm;14mm;16mm;18mm;20mm;22mm;25mm;28mm;30mm;32mm;35mm;40mm
Length:	6m,9m,12m
Packing:	Bundle packing
Origin:	China
Application:	Construction,Road,Machinery processing,Welding fields.
Delivery time:	10-25 days
Shipment:	By bulk vessel or Container
Documents:	Mill Test Certificate,Commercial Invoice,Packing List,Certificate of Origin

Company Introduction of the ASTM A615 Grade60 Mild Deformed Steel Rebar

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

ASTM A615 Grade60 Mild Deformed Steel Rebar

Packaging & Delivery of the ASTM A615 Grade60 Mild Deformed Steel Rebar

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

FAQ

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	1000m2
What’s your delivery time?	15-20 days after downpayment received
Do you Accept OEM service?	Yes
what’s your delivery terms?	FOB/CFR/CIF
What's the Payment Terms?	30% as deposit,70% before shipment by T/T
	Western Union acceptable for small amount.
	L/C acceptable for large amount.
	Scrow ,Paybal,Alipay are also ok
Why choose us?	Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
Why choose us?
What's your available port of Shipment?	Main Port, China
What’s your featured services?	Our service formula: good quality+ good price+ good service=customer's trust
What’s your featured services?
Where are your Market?	Covering more than 160 countries in the world

Q:Are steel rebars suitable for use in wastewater treatment plants?: Steel rebars are indeed a suitable option for utilization in wastewater treatment plants. The demanding and corrosive surroundings of these facilities often necessitate reinforced concrete structures. Fortunately, steel rebars, frequently employed for concrete reinforcement, provide the strength and durability required for such constructions. Their resistance to corrosion is particularly advantageous in wastewater treatment plants, where the presence of chemicals and corrosive elements is prevalent. Moreover, steel rebars offer exceptional tensile strength, guaranteeing that the concrete structures can endure substantial loads and pressures. All in all, steel rebars prove to be a dependable and suitable selection for incorporation in wastewater treatment plants, as they ensure the facility's longevity and structural integrity.

Q:What is the role of steel rebars in minimizing creep deformation in concrete?: Steel rebars play a crucial role in minimizing creep deformation in concrete structures. Creep deformation refers to the gradual and permanent deformation that occurs in concrete over time under sustained loads. This phenomenon can lead to structural instability and compromise the overall integrity of the concrete. Steel rebars, also known as reinforcement bars, are embedded within the concrete matrix to provide additional strength and stiffness. These rebars help counteract the tensile forces exerted on the concrete, as concrete is weak in tension but strong in compression. By resisting the tensile stresses, the rebars prevent the concrete from cracking and experiencing excessive creep deformation. The presence of steel rebars in concrete also improves the load-carrying capacity of the structure, allowing it to bear heavier loads without excessive deformation. This is achieved by distributing the applied load more evenly throughout the concrete, reducing localized stress concentrations and minimizing the potential for creep deformation. Furthermore, steel rebars act as a restraining element, limiting the movement of the concrete and reducing the potential for creep. The high modulus of elasticity and low thermal expansion coefficient of steel make it an ideal material for reinforcing concrete and restraining its creep behavior. In summary, the role of steel rebars in minimizing creep deformation in concrete is multi-fold. They provide additional strength and stiffness to counteract tensile forces, improve load-carrying capacity, and act as a restraining element, all of which contribute to maintaining the structural integrity of the concrete over time.

Q:What are the different types of coatings available for steel rebars to prevent corrosion?: To prevent corrosion, different coatings are available for steel rebars. These coatings serve as a barrier between the steel rebar and its surroundings, effectively preventing or minimizing the corrosion process. The range of coatings includes: 1. Epoxy Coating: Widely used, this thermosetting polymer creates a strong and durable protective layer. It is known for its excellent resistance to chemicals and abrasion. 2. Zinc Coating: Utilized in hot-dip galvanization, zinc coatings act as sacrificial anodes, corroding in place of the steel rebar and safeguarding it from oxidation. 3. Fusion-Bonded Epoxy Coating: By melting epoxy powder onto the steel rebar's surface, a robust bond is formed. This coating is resistant to corrosion, chemicals, and moisture. 4. Polymer Coating: Coatings like polyethylene or polypropylene form a protective layer against corrosion. They exhibit high resistance to chemicals, abrasion, and moisture, ensuring long-term protection. 5. Concrete Coating: When properly applied, concrete can act as a protective coating for steel rebars. The alkaline nature of concrete facilitates the formation of a protective oxide layer, preventing further corrosion. 6. Stainless Steel Coating: The application of a thin layer of stainless steel significantly enhances corrosion resistance. Stainless steel coatings offer exceptional durability and resistance in harsh environments. Selecting the appropriate coating is crucial, considering the specific application and environmental conditions, to achieve optimal protection against corrosion for steel rebars.

Q:Are there any limitations on the maximum number of steel rebars that can be used in a concrete element?: Yes, there are limitations on the maximum number of steel rebars that can be used in a concrete element. These limitations are based on engineering factors such as the size and strength of the rebars, the dimensions and design of the concrete element, and the load-bearing capacity required. The maximum number of rebars will be determined by these factors to ensure structural integrity and safety.

Q:How are steel rebars marked for identification on construction sites?: Steel rebars are typically marked with a series of symbols, numbers, and colors to identify their size, grade, and other specifications. These markings are usually either painted or embossed on the surface of the rebars, making it easier for construction workers to identify and use them correctly during the construction process.

Q:How do steel rebars resist fatigue and creep?: Steel rebars exhibit resistance to fatigue and creep by virtue of their inherent material properties and careful design considerations. Fatigue, the gradual weakening of a material caused by repeated cyclic loading, is effectively countered by the specific design of steel rebars. These rebars are purposely engineered to withstand fatigue through their exceptional tensile strength and ductility. The tensile strength of steel enables it to resist the stress imposed by cyclic loading, while its ductility allows it to deform without fracturing. This unique combination of properties equips steel rebars with the capability to endure numerous load cycles without experiencing failure. Moreover, the resistance of steel rebars to fatigue can be further fortified by employing various techniques, including heat treatment, surface coatings, and alloying. These methods serve to enhance the material's fatigue resistance and increase its longevity under cyclic loading conditions. On the other hand, creep refers to the gradual deformation of a material under constant sustained loading. Steel rebars effectively resist creep due to their high stiffness and resistance to plastic deformation. The stiffness of steel enables it to maintain its shape and resist deformation when subjected to sustained loads. Additionally, the resistance to plastic deformation prevents excessive stretching or elongation, which could lead to creep failure. To enhance the resistance of steel rebars to both fatigue and creep, proper design considerations play a crucial role. These considerations encompass factors such as appropriate reinforcement spacing, proper anchorage, and sufficient concrete cover to safeguard the rebars from external elements that may induce fatigue or creep. In conclusion, steel rebars offer resistance to fatigue and creep as a result of their high tensile strength, ductility, stiffness, and resistance to plastic deformation. By incorporating meticulous design considerations and potentially implementing supplementary techniques, steel rebars can withstand cyclic loading and sustained loads over extended periods, thereby ensuring their durability and structural integrity.

Q:What are the different types of steel rebars used in building construction?: Building construction utilizes various types of steel rebars, each possessing distinct characteristics and applications. Among the prevalent variants: 1. Mild Steel Rebars, also referred to as black bars, find extensive usage due to their lower carbon content, rendering them suitable for general construction purposes. 2. High Strength Deformed (HSD) Bars, heat-treated rebars exhibiting greater yield strength than mild steel rebars, feature a ribbed surface that enhances concrete adhesion. Consequently, they are ideal for load-bearing structures. 3. Epoxy-Coated Rebars employ an epoxy resin coating to shield against corrosion, preventing direct contact with moisture and chemicals, thereby prolonging the structure's lifespan. 4. Galvanized Rebars, coated with zinc, serve as a protective barrier against rust and corrosion. Even if the coating sustains damage, the zinc layer acts as a sacrificial layer, impeding steel corrosion. 5. Carbon Steel Rebars, crafted from carbon steel, boast superior tensile strength compared to mild steel rebars. They are commonly utilized in high-rise buildings and hefty construction projects. 6. Stainless Steel Rebars, known for their exceptional corrosion resistance, find application in structures enduring harsh environments or chemical exposure. Although pricier, they deliver unmatched durability. 7. European Rebars (Euro Rebars), adhering to European standards and featuring specific markings indicating their grade and properties, enjoy widespread employment in European construction ventures. The selection of rebar types hinges on factors such as the structure's intended purpose, environmental conditions, and desired strength. Opting for the appropriate rebar variety is crucial to ensure the building's stability and longevity.

Q:How long do steel rebars last in a concrete structure?: Steel rebars can last for several decades in a concrete structure, typically up to 50-100 years or even longer, depending on various factors such as the quality of steel used, environmental conditions, maintenance practices, and exposure to corrosive elements.

Q:How do steel rebars impact the constructability and formwork requirements of concrete elements?: The constructability and formwork requirements of concrete elements are greatly affected by steel rebars. These reinforcement bars, also called rebars, are extensively used in concrete construction to strengthen and increase the durability of structural elements. To begin with, the presence of rebars impacts the constructability of concrete elements by providing structural integrity and load-bearing capacity. By strategically placing rebars in areas like beams, columns, and slabs, the overall strength and stability of the structure are significantly improved. This enables the construction of larger and more intricate concrete elements, as rebars help distribute loads more efficiently. Additionally, rebars also have an impact on the formwork requirements of concrete elements. Formwork refers to the temporary structure used to support the concrete until it sets and gains enough strength to support itself. The inclusion of rebars requires careful consideration when designing the formwork, as the presence of reinforcement bars can increase the weight and volume of the concrete. The size, spacing, and positioning of rebars influence the design and construction process of the formwork. The formwork must be designed to accommodate the rebars and ensure proper placement and consolidation of the concrete around them. This may entail additional reinforcement in the formwork, such as tie wires or supports, to prevent displacement or movement of the rebars during concrete pouring. Furthermore, rebars also impact the overall timeline and cost of the construction project. The need for additional formwork materials and reinforcement can raise both material and labor costs. Additionally, the presence of rebars may require more time for formwork installation, concrete pouring, and curing, as the rebars need to be correctly positioned and secured within the concrete elements. In conclusion, steel rebars have a significant impact on the constructability and formwork requirements of concrete elements. They enhance the structural integrity of the concrete, allowing for the construction of larger and more intricate elements. However, their inclusion also necessitates careful planning and design of the formwork, considering the size, spacing, and positioning of the rebars. Overall, rebars play a crucial role in ensuring the strength, stability, and longevity of concrete structures.

Q:What are the different types of steel rebars used in foundation construction?: There are several types of steel rebars commonly used in foundation construction, including plain round bars, deformed bars, epoxy-coated bars, and galvanized bars. Plain round bars are smooth and have no surface deformations, making them suitable for lightweight applications. Deformed bars have ribs, lugs, or other surface deformations that provide better bonding with concrete and enhance the strength of the foundation. Epoxy-coated bars are coated with a layer of epoxy to protect against corrosion, making them ideal for areas with high moisture or chemical exposure. Galvanized bars are coated with a layer of zinc to prevent rusting and corrosion, making them suitable for outdoor or marine environments.

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