• Steels Manufacture Building Material with Good Quality from China System 1
  • Steels Manufacture Building Material with Good Quality from China System 2
  • Steels Manufacture Building Material with Good Quality from China System 3
Steels Manufacture Building Material with Good Quality from China

Steels Manufacture Building Material with Good Quality from China

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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 (%) 

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 with Good Quality from China

 

Steels Manufacture Building Material with Good Quality from China

Steels Manufacture Building Material with Good Quality from China

 

 

Q: How are steel pipes used in the infrastructure development?
Steel pipes are widely used in infrastructure development for various purposes. They are commonly used for transporting water, oil, and gas, as well as for drainage systems and sewage networks. Steel pipes are also used in the construction of bridges, buildings, and highways, providing structural support and stability. Additionally, steel pipes are utilized in underground utilities, such as telecommunications and electrical systems. Their durability, strength, and resistance to corrosion make steel pipes a crucial component in infrastructure development.
Q: How are steel pipes classified based on their schedule?
Steel pipes are classified based on their schedule, which refers to the thickness of the pipe wall. The schedule classification is denoted by a number, such as 10, 20, 40, 80, etc., with higher numbers indicating thicker walls.
Q: Is the PVC tube a plastic tube or a plastic tube?.
Or polymer polymerized by radical polymerization under the action of light and heat. The vinyl chloride homopolymer and vinyl chloride copolymer are collectively referred to as vinyl chloride resins. The material is a non crystalline material. PVC materials often use stabilizers, lubricants, auxiliary processing agents, pigments, anti shock agents and other additives in practical use. Is not flammable, high strength, excellent resistance to climate variability and geometric stability. PVC has strong resistance to oxidizing agents, reducing agents and strong acids. However, it can be corroded by concentrated oxidizing acids such as concentrated sulfuric acid and concentrated nitric acid, and it is also not suitable for contact with aromatic hydrocarbons and chlorinated hydrocarbons.
Q: How are steel pipes classified according to their wall thickness?
Steel pipes are classified according to their wall thickness into various categories such as standard, extra strong, and double extra strong.
Q: Are steel pipes resistant to electromagnetic interference?
Yes, steel pipes are generally resistant to electromagnetic interference due to their conductive properties. The metallic nature of steel helps to create a shielding effect, preventing the penetration of electromagnetic waves and reducing interference.
Q: What are the different methods of joining steel pipes for high-pressure applications?
The different methods of joining steel pipes for high-pressure applications include welding, threaded connections, flanged connections, and grooved connections. Welding involves fusing the ends of the pipes together using heat, creating a strong and leak-proof joint. Threaded connections involve screwing the pipes together, using threads on the ends of the pipes and pipe fittings. Flanged connections involve using flanges, which are flat, circular discs with bolt holes, to connect the pipes together. Grooved connections involve using grooved couplings that grip the ends of the pipes and are secured with bolts, creating a reliable and easy-to-install joint.
Q: How are steel pipes affected by international trade policies?
Steel pipes can be significantly affected by international trade policies. For instance, trade barriers such as tariffs or quotas can increase the cost of importing steel pipes, making them less competitive compared to domestically produced pipes. Conversely, liberalized trade policies can enhance market access for steel pipe exporters, allowing them to expand their market share globally. Overall, the impact of international trade policies on steel pipes depends on the specific policies implemented and their effect on the cost, availability, and competitiveness of these products in the international market.
Q: What are the factors to consider when selecting pipe materials for high-temperature applications?
When choosing pipe materials for high-temperature applications, several factors must be taken into account. First and foremost, the thermal conductivity of the material is crucial. Efficient heat transfer and prevention of heat buildup are necessary in high-temperature applications, therefore materials with high thermal conductivity, like copper and stainless steel, are commonly used in these installations. Secondly, it is important to consider the material's resistance to thermal expansion. Pipes tend to expand when exposed to high temperatures, so selecting materials with low thermal expansion coefficients is vital to avoid deformation and potential pipe failure. Carbon steel and stainless steel are suitable options as they exhibit relatively low thermal expansion. The material's mechanical strength and resistance to corrosion should also be considered. High temperatures can weaken or corrode certain materials, leading to structural failures. Therefore, it is essential to choose materials, such as alloy steel and nickel-based alloys, that can withstand high temperatures without compromising their mechanical strength or corroding easily. Additionally, the cost and availability of the materials should be taken into account. Some high-temperature pipe materials may be expensive or hard to obtain, which can impact the project's budget and timeline. It is important to find a balance between the desired material properties and the project's financial and logistical constraints. Lastly, it is crucial to consider the specific application requirements and industry standards. Different industries may have guidelines or regulations regarding pipe materials for high-temperature applications. Ensuring that the selected materials comply with these standards is essential for safety, reliability, and adherence to industry regulations. To conclude, the factors to consider when choosing pipe materials for high-temperature applications include thermal conductivity, resistance to thermal expansion, mechanical strength, resistance to corrosion, cost and availability, and compliance with industry standards. By carefully evaluating these factors, one can select the most suitable pipe material to ensure efficient and reliable operation in high-temperature environments.
Q: Are steel pipes more expensive than other types of pipes?
The cost of steel pipes compared to other types of pipes can vary depending on various factors. Steel pipes are generally considered to be more expensive than some other types of pipes in terms of upfront cost. This is mainly due to the high cost of raw materials and the manufacturing process involved in producing steel pipes. Additionally, steel pipes are known for their durability and strength, making them a popular choice for applications where high pressure or extreme conditions are involved. However, when considering the long-term cost and benefits, steel pipes can often be more cost-effective. They have a longer lifespan compared to some other types of pipes, reducing the need for frequent repairs or replacements. Steel pipes also offer excellent resistance to corrosion, making them suitable for various environments and reducing maintenance costs over time. Moreover, the strength and durability of steel pipes can contribute to a lower risk of leaks or other failures, which can result in significant cost savings in terms of preventing damage or loss. It is important to consider the specific requirements and characteristics of the project or application when comparing the cost of steel pipes to other types of pipes. Factors such as the type of fluid or material being transported, the required pressure rating, the expected lifespan, and the environmental conditions should all be taken into account. Ultimately, while steel pipes may have a higher upfront cost, their long-term durability and reliability can often make them a cost-effective choice in many applications.
Q: What are the different grades of steel used in pipes?
The different grades of steel used in pipes include carbon steel, alloy steel, stainless steel, and duplex stainless steel.

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