High Tensile Steel Fabric ASTM BS4449 Rebar Steel Net

High Tensile Steel Fabric ASTM BS4449 Rebar Steel Net

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 100 m.t.

Supply Capability:: 5000 m.t./month

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High Tensile Steel Fabric ASTM BS4449 Rebar Steel Net

Structure of High Tensile Steel Fabric:

Type	Deformed steel fabric/ TMT bars	MOQ	500 MT (Trial order accepted)
Standard Grade	GB1499.2-2007, HRB335, HRB400, HRB500. BS4449/2005, B500A, B500B etc.. ASTM A615 Gr.40, Gr60, KS, SD400, SD500 and so on..
Technique	Hot rolled continuous casting	Length	6, 9,12m, or as requested
Size	6mm-32mm	Payment terms	T/T, L/C at sight, Usance L/C
Packing	In bundle	Inspection	Third party inspection accepted
Trade terms	EXW, FOB, CFR, CIF	Trans terms	FIO, FILO, FLT
Delivery time	15-30 days, according to the quantity	Note	Customized service is available (for sizes,length and chemical components etc.).

Main Features of Steel Fabric:

HRB335	Chemical composition	C	Mn	Si	S	P
		0.17-0.25	1.0-1.6	0.4-0.8	0.045 Max.	0.045 Max.
	Mechanical Property	Yield strength		Tensile strength		Elongation
		≥335 Mpa		≥455 Mpa		17%

HRB400	Chemical composition	C	Mn	Si	S	P
		0.17-0.25	1.2-1.6	0.2-0.8	0.045 Max.	0.045 Max.
	Mechanical Property	Yield strength		Tensile strength		Elongation
		≥400 Mpa		≥540 Mpa		16%

HRB500	Chemical composition	C	Mn	Si	S	P
		0.25 Max.	1.6 Max.	0.8 Max.	0.045 Max.	0.045 Max.
	Mechanical Property	Yield strength		Tensile strength		Elongation
		≥500 Mpa		≥630 Mpa		15%

Specification and Data for Steel Fabric:

Deformed steel fabric
Diameter (mm)	Theoretical weight (kg/m)	Pieces/Mt (pcs)	Length (m)	Standard
6	0.222	375	12	GB1499-48, HRB335, HRB400, HRB500 BS4449-97, Gr.460B,B500
8	0.395	211
10	0.617	135
12	0.888	94
14	1.21	69
16	1.58	53
18	2	42
20	2.47	34
22	2.98	28
25	3.85	22
28	4.83	17
32	6.31	13
36	7.99	10
40	9.87	8
50	15.42	5

FAQ:

Why choose us:

1. More than 10 years experience in this industry

2. 100,000 tons exporting per month

3. Professional foreign trade team

4. OEM&ODM capacity

5. High quality assured & competitive price

6. Try our best to meet your needs & save your budget

7. Very popular in Southeast Asia, Africa, Mid-East and South America etc.

8. VIP membership system, first time customers and long-term cooperation customers can get extra discount on some products.

Picture:

High Tensile Steel Fabric ASTM BS4449 Rebar Steel Net

Q:What is the expected external protection system for ductile iron pipes?: Typically, a combination of coatings and cathodic protection is used to provide external protection for ductile iron pipes. These coatings, such as fusion-bonded epoxy (FBE) or polyethylene, are applied to the pipe's outer surface to create a barrier against corrosion and shield it from the surrounding environment. They have high resistance against moisture, chemicals, and abrasion, ensuring the longevity of the pipe. Furthermore, cathodic protection is often employed along with coatings to enhance the external protection of ductile iron pipes. This involves using sacrificial anodes or impressed current systems to generate a protective electrical current that counteracts the corrosive effects on the pipe's surface. By maintaining the ductile iron in a cathodic state, where it is less prone to degradation, this technique helps prevent corrosion. The combination of coatings and cathodic protection offers a robust and comprehensive external protection system for ductile iron pipes. These measures effectively safeguard the pipes from corrosion, resulting in extended service life and reduced need for expensive repairs or replacements. Regular inspection and maintenance are also crucial to ensure the ongoing effectiveness of the external protection system and to promptly address any potential issues.

Q:Can ductile iron pipe be used for industrial wastewater applications?: Yes, ductile iron pipe can be used for industrial wastewater applications. Ductile iron pipe is known for its strength, durability, and resistance to corrosion, making it suitable for various applications including wastewater systems. It can handle high-pressure and heavy-duty environments, making it ideal for industrial wastewater applications that may involve abrasive or corrosive substances. Additionally, ductile iron pipe can be easily installed and maintained, reducing the overall costs and ensuring long-term reliability. However, it is important to consider the specific requirements of the wastewater application and consult with professionals to determine the most suitable pipe material and design.

Q:Can ductile iron pipe be used in high-pressure applications?: Yes, ductile iron pipe can be used in high-pressure applications. Ductile iron pipe is known for its strength and durability, making it suitable for a variety of applications, including high-pressure systems. It has a higher tensile strength and yield strength compared to other types of cast iron pipes, allowing it to withstand higher pressures. Additionally, ductile iron pipe is resistant to corrosion and can maintain its structural integrity even under high-pressure conditions. However, it is important to ensure that the pipe is properly installed, and all necessary safety measures are followed to ensure the safe and efficient operation of the high-pressure system.

Q:How are ductile iron pipes installed?: Ductile iron pipes are typically installed using the following method. First, the trench is excavated to the required depth and width. The bottom of the trench is then carefully leveled and compacted to provide a stable foundation. Next, a bedding material, usually a sand and gravel mixture, is placed at the bottom of the trench. This bedding material helps to support the pipe and distribute the load evenly. It also serves to protect the pipe from any sharp objects that may be present in the soil. Once the bedding is prepared, the ductile iron pipes are carefully lowered into the trench and aligned to the desired position. It is important to ensure that the pipes are properly aligned and have the correct slope for efficient water flow. After the pipes are in place, they are joined together using a mechanical joint or a push-on joint system. These joints are designed to provide a secure and leak-free connection between the pipes. The joints are typically sealed using rubber gaskets, which help to create a watertight seal. Once the pipes are joined, the trench is backfilled with the excavated soil, taking care to compact it in layers to prevent settlement. The backfilling process is usually done in stages to allow for proper compaction. Finally, the installation is completed by connecting the ductile iron pipes to the existing water supply system or other pipes using appropriate fittings and valves. Pressure testing may also be carried out to ensure the integrity of the installation. Overall, the installation of ductile iron pipes requires careful planning, proper alignment, and secure jointing to ensure a long-lasting and reliable water supply system.

Q:Do ductile iron pipes require special handling during transportation?: Yes, ductile iron pipes do require special handling during transportation. They are heavy and brittle, so they need to be loaded and unloaded carefully to prevent damage. Additionally, they should be properly secured and supported to avoid any bending or distortion during transit.

Q:Does centrifugal cast iron pipe work well with lining cement? Will it scale and breed bacteria?: Poor hydraulic performance and high energy consumption. The roughness coefficient of the prestressed reinforced concrete pipe is between 0.013 - 0.014, so that the pipeline resistance of the pipeline with the same pipe diameter is higher than that of the same water content. Because of its high roughness, after a period of use, the pipeline will be blocked by bacteria, shellfish breeding and reproduction. As the service life increases, the inner diameter of the pipe will gradually shrink and the resistance will increase.

Q:What is the maximum allowable deflection for ductile iron pipes?: Industry standards and guidelines, like those from the American Water Works Association (AWWA) and the Ductile Iron Pipe Research Association (DIPRA), typically specify the maximum allowable deflection for ductile iron pipes. These standards state that the maximum allowable deflection should be a certain percentage of the pipe's outside diameter. AWWA C150/A21.50 and DIPRA's Technical Bulletin No. 10 explain that the maximum allowable deflection for ductile iron pipes can vary depending on factors such as pipe size, wall thickness, and soil conditions. However, a general rule is that the maximum allowable deflection should not exceed 3% of the pipe's outside diameter. It is important to keep in mind that going beyond the maximum allowable deflection can lead to potential structural problems and reduced performance of the ductile iron pipe. Therefore, it is crucial to follow the industry standards and guidelines to ensure the proper installation and functioning of ductile iron pipes.

Q:How are ductile iron pipes different from cast iron pipes?: Ductile iron pipes are different from cast iron pipes in terms of their composition and properties. Ductile iron pipes are made from a type of cast iron that has been treated with magnesium to improve its strength and flexibility. This makes ductile iron pipes more durable, impact-resistant, and less prone to cracking or breaking compared to traditional cast iron pipes. Additionally, ductile iron pipes have a higher tensile strength, allowing them to withstand higher internal and external pressures. In summary, ductile iron pipes are a more modern and advanced version of cast iron pipes, offering improved performance and longevity.

Q:Are ductile iron pipes resistant to abrasion or wear?: Indeed, ductile iron pipes exhibit remarkable resistance against abrasion and wear. Renowned as cast iron as well, ductile iron represents a robust and enduring substance exclusively crafted to endure abrasive circumstances. Ductile iron's distinct microstructure grants superb resistance to abrasion, rendering it an optimal selection for scenarios wherein pipelines face extensive levels of wear. Furthermore, the extended lifespan of ductile iron pipes showcases their enduring capacity against abrasion and wear throughout time.

Q:What is the relationship between continuous cast iron pipe and ductile iron pipe?: Continuous cast iron pipes are usually grey cast iron pipes. Its tensile strength and elongation are much lower than those of nodular cast iron. In chemical composition, grey cast iron has less carbon content than nodular cast iron. According to the organization, the graphite form of gray iron is flaky, and the graphite form in spheroidal graphite cast iron is spherical.

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