Deformed steel bar 6-40 MM HRB 400 HRB 500
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 600 m.t.
- Supply Capability:
- 19452 m.t./month
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Specification
Rebar is common steel reinforcing bar, an important component of reinforced concrete and reinforced masonry structures.
It is usually formed from mild steel, and is given ridges for better frictional adhesion to the concrete.
To prevent such a failure, rebar is either deeply embedded into adjacent structural members, or bent and hooked at the ends
to lock it around the concrete and other rebars. This first approach increases the friction locking the bar into place while the
second makes use of the high compressive strength of concrete.
Most grades of steel used in rebar cannot accept welding; such as, to adjacent steel plates or as means to bind single pieces
of rebar together. However, special grades of rebar steel and welding rods make welding by expert welders possible.
Our Advantage:
High quality steel products from 1 class mills in China
Reasonable price
Professionalism of the products
On-time delivery
Complete documents and certificates
Sincere service to meet our clients' requirements
Product Description :
Chemical composition (%): | Steel | C | Si | Mn | P | S | Ceq | ||||
HRB335 |
0.25 |
0.80 |
1.60 |
0.045 |
0.045 | 0.52 | |||||
HRB400 | 0.54 | ||||||||||
HRB500 | 0.55 | ||||||||||
Mechanical properties | Steel | Rel/ MPa | Rm/ MPa | A/ % | Agt/ % | ||||||
≥ | |||||||||||
HRB335 | 335 | 455 | 17 |
7.5 | |||||||
HRB400 | 400 | 540 | 16 | ||||||||
HRB500 | 500 | 630 | 15 | ||||||||
Package: | Standard export packing or as customer's request | ||||||||||
Application: | Construction, building, bridge, road. ect | ||||||||||
Payment terms | 1).100% irrevocable L/C at sight. | ||||||||||
Delivery time | 15-30 days after receipt of L/C or deposit by T/T | ||||||||||
Features
1、Pure steel quality, stable chemical contents, small tolerance.
2、Constant Quality, good drawing performance.
3、High dimension accuracy degree, accuracy degree of Level C up to 80%, smooth surface, less scale, easy to be pickled.
4、Automatic bundling with 4 lines by Machine in tidy and good looks
5、Big high quality percentage, small coil percentage, and heavy coil weight for Hard Coil.
6、High sorbitizing percentage.
Packing:
In bundles, each bundle weight 3.5 tons. Load by container or by bulk verssel.
Our service
(1) We cooperate with famous factories with advanced equipment and well trained workers.
(2) We can provide factory price with trading company service.
(3) We continuously work on the improvement of our processes, guaranteeing consistently high standards
of quality to keep none compensation.
(4) We guarantee 24 hours response and 48 hours solution providing service.
(5) We accept small order quantity before formal cooperation.
(6) We deliver the agreed quality at the agreed time, reacting to changes in customer wishes in a flexible way.
(7) Due to our volume and selling power, we have excellent freight rates with shipping lines.
(8) We strive to always be fair and honest in our dealings with customers.
(9) We strive to work together with customers to achieve much more than we can achieve alone.
(10) Through our passion and commitment we aim to be a market leader in all our key markets. To maintain
our position as market leader we must continue to add value in all that we do.
FAQ:
1.Q: What's your MOQ(minimum order quantity)?
A: One full container, mixed acceptable .
2. Q: What's your packing methods?
A: Packed in bundle or bulk ..
3. Q: How can I buy CNBM products in my country?
A:Please send us an inquiry or email ,we will reply to you if there is distributor in your country
4. Q: Can we visit your factory?
A: Warmly welcome. Once we have your schedule, we will arrange the professional sales team to follow up your case.
5. Q: How long does it take to get the product if i place an order?
A:With the process of your requirements,we will pack and deliver in 3-7 days. If it is by sea shipment,it will take 15-45 days depending on different locations
- Q: What is the role of steel rebars in preventing cracks in concrete?
- Steel rebars play a crucial role in preventing cracks in concrete by providing tensile strength. As concrete is strong in compression but weak in tension, rebars act as reinforcement, absorbing and distributing the tensile forces that would otherwise cause cracks. By resisting the tension, rebars reinforce the concrete structure, enhance its durability, and ensure it remains stable and crack-resistant over time.
- Q: What are the main uses of threaded steel?
- The difference between round bar and round bar is that the surface has longitudinal ribs and transverse ribs, usually with two longitudinal ribs and transverse ribs uniformly distributed along the length direction.
- Q: How are steel rebars affected by long-term exposure to water?
- Steel rebars are prone to corrosion when exposed to water for extended periods of time. The water facilitates the process of oxidation, leading to the formation of rust on the surface of the rebars. This corrosion weakens the integrity of the steel, reducing its load-bearing capacity and overall structural strength. Therefore, long-term exposure to water can significantly deteriorate steel rebars, compromising the durability and safety of structures they are used in.
- Q: Grade 1, grade three, grade two, steel, wire rod, round bar
- Wire is a wire, usually refers to the use of "high speed non-twist wire rod rolling mill, ordinary common low carbon steel, hot-rolled wire torsion free cooling (ZBH4403-88) and the high quality carbon steel, hot-rolled wire rod without torsion cold control (ZBH44002-88).
- Q: How do steel rebars contribute to the fire resistance of concrete?
- Concrete's fire resistance is enhanced by steel rebars in several ways. Firstly, steel rebars possess a non-combustible nature and a high melting point, ensuring they do not burn or add fuel to fires. This characteristic aids in preventing the spread of fire and maintaining the concrete's structural stability during fire incidents. Additionally, steel rebars act as reinforcement within the concrete, boosting its overall strength and load-bearing capacity. This reinforcement effectively prevents cracking or fragmentation of the concrete under high temperatures caused by fire. The presence of steel rebars also enhances the concrete's ductility, enabling it to deform and absorb energy during fires, rather than abruptly shattering or collapsing. Moreover, steel's thermal conductivity surpasses that of concrete, enabling it to effectively conduct heat away from the fire zone. This assists in dissipating heat and preventing it from reaching critical levels that could compromise the concrete's structural integrity. By absorbing and distributing heat, steel rebars contribute to slowing down the temperature rise within the concrete during fires. In conclusion, steel rebars contribute to concrete's fire resistance by providing structural stability, improving strength and load-bearing capacity, enhancing ductility, and dissipating heat. These attributes make concrete structures reinforced with steel rebars more resilient, enabling them to withstand fires for extended periods. As a result, the safety of occupants is increased, and potential property damage is reduced.
- Q: Are there any specific guidelines for storing steel rebars on-site?
- Storing steel rebars on-site requires following specific guidelines. Consider the following key guidelines: 1. To prevent distortion or bending, rebars should be stored on a flat, level surface. If the ground is uneven, create a stable storage area using wooden pallets or metal racks. 2. The storage area must be clean and free from debris that could damage the rebars. Avoid storing rebars directly on the ground or in areas prone to water accumulation. 3. Proper stacking is crucial to prevent rebars from toppling over. Stack them in an organized manner, aligning them vertically and horizontally. Use spacers or separators to maintain adequate spacing between the rebars and prevent contact. 4. When storing rebars outdoors, protect them from rain, snow, and moisture by covering them with a waterproof tarp or plastic sheeting. This prevents rust and corrosion. 5. If rebars are stored indoors, ensure proper ventilation to prevent moisture buildup. This is especially important in humid environments to prevent rusting. 6. Keep rebars away from potential sources of damage, such as heavy machinery, construction equipment, or high-traffic areas. This reduces the risk of accidental damage during construction activities. 7. Regularly inspect the rebars for any signs of damage, rust, or corrosion. If any rebars are found to be damaged, remove them from storage and replace them to maintain structural integrity in the construction project. By adhering to these guidelines, steel rebars can be stored safely while maintaining their structural integrity for use in construction projects.
- Q: Can steel rebars be used in structures with high levels of chloride or sulfate attack?
- No, steel rebars should not be used in structures with high levels of chloride or sulfate attack as these chemicals can cause corrosion and deterioration of the steel, compromising the structure's integrity.
- Q: What is the minimum diameter of steel rebars used in construction?
- The minimum diameter of steel rebars used in construction typically ranges from 6 millimeters to 10 millimeters, depending on the specific application and structural requirements.
- Q: Are steel rebars eco-friendly?
- Steel rebars are not considered to be inherently eco-friendly due to their production process and the extraction of raw materials required. The production of steel involves the extraction of iron ore, which requires significant energy and resources. Additionally, the process emits large amounts of carbon dioxide, contributing to greenhouse gas emissions and climate change. However, it is worth noting that steel rebars have a long lifespan and can be recycled, which helps reduce the environmental impact. Recycling steel requires significantly less energy and resources compared to producing it from scratch, and it helps conserve natural resources and decrease waste. Furthermore, steel rebars are commonly used in construction projects due to their strength and durability. Their use can lead to the construction of long-lasting structures that require fewer repairs and replacements over time. This durability aspect can contribute to a reduction in overall environmental impact. To summarize, while steel rebars are not eco-friendly in terms of their production process, their longevity and recyclability can help reduce their environmental impact when compared to alternative construction materials.
- Q: Is the shear wall concealed column stirrup steel or round steel? What are you asking for?
- Specify the construction drawing is HPB300 is hot rolled round bar, that is HRB335, HRB400 is the hot rolled ribbed bar. Don't call thread steel, this name has long been abandoned. Simple, light marked wall column reinforcement detail construction drawing on the diameter and spacing is not encrypted, what non encrypted area, like the dense spacing.
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Deformed steel bar 6-40 MM HRB 400 HRB 500
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 600 m.t.
- Supply Capability:
- 19452 m.t./month
OKorder Service Pledge
OKorder Financial Service
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