Steels Manufacture Building Material Construction on Sale

Steels Manufacture Building Material Construction on Sale System 1

Steels Manufacture Building Material Construction on Sale

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t

Supply Capability:: 1000 m.t/month

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1.Packaging & Delivery

Packaging Detail:	in bundles or as customer's requirement
Delivery Detail:	Within 30days after receiving your deposit or copy of L/C

2.Specifications

HRB400,HRB500 Steel Rebars
1.China direct supplier
2.Best service
3.Competitive price
4.Quantity assured

3.Product Description

Name	High Tensile Export Reinforcing Steel Bar ,Deformed Steel Bar ,HRB400B,HRB,46B,HRB500 Building Construction Material
Standard	ASTM A615 /BS BS 4449 /GB HRB/ JIS G3112
Grade	A615 Gr40/60/75 BS 4449 Gr460,B500 GB HRB335,HRB400 ,HRB500 JIS G3112 SD390
Diameter	6mm-40mm
Length	6-12m
Technique	Low temperature hot-rolling reinforcing deformed steel rebar
Tolerance	As the standard or as your requirement
Application	Building, construction, road, bridge,etc
Certificated	BV
MOQ	500tons per size steel rebar
Packing details	Steel rebar packed in bundle or as your requirement
Delivery	Within 30 days after deposit
Payment	T/T or L/C

4.Chemical Composition

Grade	Technical data of the original chemical composition (%)
	C	Mn	Si	S	P	V
HRB400	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.04-0.12
	Physics capability
	Yield Strength(N/cm2)		Tensile Strength(N/cm2)		Elongation (%)
	≥400		≥470		≥14

Grade	Technical data of the original chemical composition (%)
Grade	C	Mn	Si	S	P	V
HRB500	≤0.25	≤1.60	≤0.80	≤0.045	≤0.045	0.04-0.12
	Physics capability
	≥500		≥630		≥12

5. Theorectical weight

Diameter (MM)	Cross Sectional Area (MM²⁾	Theorectical Weight (KG/M)	Weight of 12M Bar (KG)	A Ton Contains 12M Bars (PCS)
6	28.27	0.222	2.664	375.38
8	50.27	0.395	4.74	210.97
10	78.54	0.617	7.404	135.06
12	113.1	0.888	10.656	93.84
14	153.9	1.21	14.52	68.87
16	201.1	1.58	18.96	52.74
18	254.5	2	24	41.67
20	314.2	2.47	29.64	33.74
22	380.1	2.98	35.76	27.96
25	490.9	3.85	46.2	21.65
28	615.8	4.83	57.96	17.25
32	804.2	6.31	75.72	13.21
36	1018	7.99	98.88	10.43
40	1257	9.87	118.44	8.44

Steels Manufacture Building Material Construction on Sale

Q: Can steel pipes be used for airport construction?: Yes, steel pipes can be utilized in the construction of airports. In the construction industry, steel pipes find widespread application, including in airports. They are often employed for underground utilities like water and sewage lines, as well as for structural purposes such as providing support to the airport terminal building. The utilization of steel pipes for airport construction offers several advantages. Firstly, they possess remarkable strength and durability, making them capable of handling heavy loads and enduring unfavorable weather conditions. This attribute is crucial for ensuring the security and stability of airport structures. Secondly, steel pipes are highly versatile and can be easily tailored to meet specific project requirements. They are available in various sizes and thicknesses, providing flexibility in both design and construction. Moreover, steel pipes can be welded or joined together to form longer sections, which simplifies installation and reduces construction time. Furthermore, steel pipes exhibit resistance to corrosion, a vital characteristic in airports where constant exposure to moisture, salt, and other environmental factors is common. This resistance to corrosion guarantees the longevity and dependability of the infrastructure. Lastly, in comparison to materials like concrete or PVC, steel pipes offer a cost-effective solution. They necessitate relatively low maintenance and boast a long lifespan, thereby minimizing the need for frequent repairs or replacements and ultimately saving time and money in the long term. In conclusion, due to their strength, durability, versatility, corrosion resistance, and cost-effectiveness, steel pipes are a suitable choice for airport construction.

Q: What are the different methods of repairing damaged steel pipes?: There are several methods for repairing damaged steel pipes, including welding, epoxy coatings, pipe wrapping, and pipe lining. Welding involves fusing the damaged sections of the pipe using heat and specialized equipment. Epoxy coatings are applied to the damaged area to create a protective layer and restore the pipe's integrity. Pipe wrapping involves applying specialized tapes or wraps around the damaged area to provide structural support. Pipe lining involves inserting a new pipe into the damaged one, creating a seamless and durable solution. The appropriate method depends on the extent and location of the damage, as well as other factors such as cost and time constraints.

Q: How are steel pipes graded?: Steel pipes are graded based on various factors such as the composition of steel, manufacturing process, and physical properties like strength, durability, and corrosion resistance. These grades are assigned based on internationally recognized standards such as ASTM, API, and ISO, which provide specific criteria for different applications and industries.

Q: How do steel pipes perform in high-temperature environments?: Steel pipes perform well in high-temperature environments due to their excellent heat resistance properties. They can withstand elevated temperatures without losing their structural integrity or strength. Additionally, steel pipes have low thermal expansion, which reduces the risk of deformation or cracking under extreme heat. This makes steel pipes a reliable choice for various applications in industries such as oil and gas, power generation, and chemical processing, where high temperatures are common.

Q: What is the weight of a steel pipe?: The weight of a steel pipe can vary depending on its size, length, and thickness. To determine the weight, you would need specific measurements of the pipe.

Q: Can steel pipes be used for conveying hazardous chemicals?: Yes, steel pipes can be used for conveying hazardous chemicals. Steel pipes are known for their high strength and durability, making them suitable for handling various substances, including hazardous chemicals. They can withstand high pressure and temperature, ensuring the safe transportation of these chemicals. Additionally, steel pipes have excellent resistance to corrosion, which is crucial when dealing with corrosive and potentially dangerous substances. Moreover, steel pipes can be easily welded and connected, allowing for a secure and leak-proof transport system. However, it is important to consider the specific requirements of the chemicals being transported and ensure that the steel pipes are properly designed, coated, and maintained to prevent any potential risks or reactions with the hazardous substances.

Q: How are steel pipes classified according to their use?: Steel pipes can be classified according to their use into various categories such as structural pipes, plumbing pipes, oil and gas pipes, and industrial pipes.

Q: What are the different international standards for steel pipes?: There are several international standards for steel pipes that are widely recognized and used in the industry. Some of the key standards include: 1. ASTM A53: This standard covers seamless and welded black and hot-dipped galvanized steel pipes. It is commonly used for low-pressure applications such as water, gas, and steam. 2. ASTM A106: This standard covers seamless carbon steel pipes for high-temperature service. It is widely used in refineries, power plants, and petrochemical industries where high pressure and temperature conditions exist. 3. ASTM A312: This standard covers seamless, welded, and heavily cold worked austenitic stainless steel pipes. It is often used for high-temperature and corrosive environments in industries such as chemical processing, food processing, and pharmaceuticals. 4. API 5L: This standard specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries. 5. EN 10216: This European standard covers seamless steel pipes for pressure purposes. It is used in various industries such as power generation, chemical, and oil and gas. 6. JIS G3454: This Japanese standard covers carbon steel pipes for pressure service. It is commonly used in the transportation of water, gas, and oil. 7. DIN 2448: This German standard specifies seamless steel pipes for general purposes. It is widely used in various industrial applications. These are just a few examples of the many international standards that exist for steel pipes. Each standard specifies different requirements for manufacturing, dimensions, mechanical properties, and testing to ensure the quality and performance of the pipes in specific applications. It is important for manufacturers, suppliers, and users to understand and comply with the relevant standards to ensure the safe and reliable use of steel pipes.

Q: How are steel pipes used in the construction of airports?: Steel pipes are used in the construction of airports for various purposes such as drainage systems, fuel pipelines, water supply networks, and structural support for buildings and runways.

Q: What is the lifespan of a steel pipe?: The lifespan of a steel pipe can vary depending on various factors such as its quality, maintenance, and usage conditions. However, with proper care and maintenance, a well-made steel pipe can last for several decades or even more.

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