• Steels from China Manufacture Building Material  on Hot Sale System 1
  • Steels from China Manufacture Building Material  on Hot Sale System 2
  • Steels from China Manufacture Building Material  on Hot Sale System 3
Steels from China Manufacture Building Material  on Hot Sale

Steels from China Manufacture Building Material on Hot 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 (%) 

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 from China Manufacture Building Material  on Hot Sale

 

 Steels from China Manufacture Building Material  on Hot Sale

Steels from China Manufacture Building Material  on Hot Sale

 

 

Q:How are steel pipes used in the construction of skyscrapers?
Steel pipes are commonly used in the construction of skyscrapers for various purposes. They are primarily used as structural components, providing strength and stability to the building's framework. Steel pipes are used to create columns, beams, and trusses, which support the weight of the entire structure. Additionally, steel pipes are used for plumbing and HVAC systems, allowing for efficient distribution of water, air, and other utilities throughout the building. Overall, steel pipes play a crucial role in the construction of skyscrapers, ensuring their durability, safety, and functionality.
Q:How are steel pipes used in the manufacturing of HVAC systems?
Steel pipes are commonly used in the manufacturing of HVAC systems due to their durability, strength, and heat resistance. They are used to transport fluids, such as water and refrigerant, throughout the system. Steel pipes also provide structural support for the overall HVAC system, ensuring its stability and reliability.
Q:Can steel pipes be used for oil drilling operations?
Yes, steel pipes are commonly used for oil drilling operations. They possess the necessary strength and durability to withstand the harsh conditions of drilling and transporting oil. Additionally, steel pipes have excellent corrosion resistance, making them suitable for long-term use in the oil and gas industry.
Q:How are steel pipes used in the construction of oil and gas pipelines?
Steel pipes are commonly used in the construction of oil and gas pipelines due to their high strength, durability, and resistance to corrosion. These pipes are employed to transport crude oil and natural gas from extraction sites to refineries and distribution centers. They provide a reliable and efficient means of transporting these valuable resources over long distances, ensuring a safe and secure supply of energy. Additionally, steel pipes are capable of withstanding high pressure and extreme temperature conditions, making them suitable for the demanding environment of oil and gas transportation.
Q:Can steel pipes be insulated for thermal efficiency?
Yes, steel pipes can be insulated for thermal efficiency. Insulating steel pipes helps to reduce heat loss or gain, ensuring better energy efficiency and cost savings. The insulation material, such as foam or mineral wool, is typically wrapped around the pipe to create a barrier that minimizes heat transfer.
Q:What are the different types of steel pipe supports for overhead piping?
There are several types of steel pipe supports for overhead piping, including pipe hangers, pipe clamps, beam clamps, and pipe rollers. Pipe hangers are used to support vertical pipes, while pipe clamps provide support for horizontal pipes. Beam clamps are designed to attach to structural beams and provide support for the pipe. Pipe rollers are used to allow the pipe to move freely, accommodating expansion and contraction.
Q:Can steel pipes withstand high temperatures?
Yes, steel pipes can withstand high temperatures. Steel is known for its excellent thermal conductivity and high melting point, making it suitable for various applications that involve exposure to elevated temperatures.
Q:How are steel pipes protected against external moisture?
Steel pipes are typically protected against external moisture through various methods such as coating them with corrosion-resistant materials like epoxy or zinc, applying protective tapes or wraps, using cathodic protection systems, or utilizing corrosion inhibitors during the manufacturing process. These measures help to prevent the formation of rust and ensure the longevity and reliability of the steel pipes.
Q:How are steel pipes measured and sized?
Steel pipes are measured and sized based on their outer diameter (OD) and wall thickness. The OD is the measurement of the outer circumference of the pipe, while the wall thickness refers to the thickness of the pipe's walls. These two measurements are essential in determining the size of steel pipes, which are commonly categorized using nominal pipe size (NPS) or nominal diameter (DN). NPS is a North American standard, while DN is an international standard. The sizing process ensures uniformity and facilitates compatibility with fittings and other pipeline components.
Q:What is the typical lifespan of steel pipes?
The typical lifespan of steel pipes can vary depending on various factors such as the quality of the steel used, the environmental conditions, and the maintenance and usage of the pipes. However, on average, steel pipes are known to have a lifespan of around 50 to 100 years. With proper installation, regular inspections, and appropriate maintenance, steel pipes can often exceed this lifespan and provide reliable service for several decades. It is important to note that factors such as corrosion, erosion, and external damage can impact the lifespan of steel pipes, so it is crucial to implement preventive measures and necessary repairs to ensure their longevity.

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