Steels Manufacture Building Material Made in China on Hot Sale

Steels Manufacture Building Material Made in China on Hot Sale System 1

Steels Manufacture Building Material Made in China 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 (%)
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 Made in China on Hot Sale

Q: When can I use the PVC pipe and when to use the galvanized pipe?: PVC pipeline use temperature is -5 to 90 degrees or so, according to the current market price of around 6000 yuan per ton, the price is cheap. Its corrosion resistance is good, can resist most of the acid and alkali, and unlike the steel pipe that is easy to rust, so in the construction of the upper and lower water pipes and other fields have gradually replaced the trend of steel pipe.

Q: What is the impact of steel pipe size on flow rate and pressure?: The size or diameter of a steel pipe has a significant impact on both flow rate and pressure. Firstly, the flow rate refers to the volume of fluid that can pass through the pipe per unit of time. A larger pipe diameter allows for a greater flow rate as there is more space for the fluid to move through. This is due to the fact that a larger cross-sectional area of the pipe offers less resistance to the flow of fluid. Therefore, increasing the size of the steel pipe will generally lead to an increase in flow rate. Secondly, the pressure within a pipe is influenced by its size. As the fluid flows through a pipe, it encounters resistance due to friction against the walls of the pipe. This resistance leads to a pressure drop along the length of the pipe. A smaller pipe diameter results in higher frictional losses, which leads to a greater pressure drop. On the other hand, a larger pipe diameter reduces frictional losses and therefore results in a lower pressure drop. Consequently, increasing the size of the steel pipe will generally lead to a decrease in pressure drop. It is important to note that while increasing the size of a steel pipe may generally result in a higher flow rate and lower pressure drop, there are other factors that can also affect these parameters. These include the fluid properties, the length and layout of the pipe, and any additional components such as valves or fittings. Therefore, it is crucial to consider all these factors and conduct proper calculations or simulations to accurately determine the impact of steel pipe size on flow rate and pressure in a specific system.

Q: How are steel pipes used in hydroelectric power plants?: Steel pipes are used in hydroelectric power plants to facilitate the transportation of water from the reservoir to the turbines. These pipes are essential for maintaining a steady flow of water, which is crucial for generating electricity through the rotation of turbines. Additionally, steel pipes are employed in the construction of penstocks, which are large pipes directing water towards the turbines, ensuring efficient energy production in hydroelectric power plants.

Q: How to perform nondestructive inspection of steel tubes: Radiographic inspection (RT)One of the earliest nondestructive testing methods is widely used in the inspection of internal defects of metals and non-metallic materials and products, with a history of at least 50 years. It has incomparable unique advantages, that is to test the correctness, reliability and intuition of the defects, and the ray film can be used for the analysis of defects and as a quality certificate archive. But this method also has the disadvantages of more complicated equipment and higher cost, and should pay attention to the protection of radiation.

Q: What is the difference between steel pipe and tubing?: The main difference between steel pipe and tubing lies in their shape and size. Steel pipe is typically cylindrical in shape and has a larger diameter compared to tubing, which is generally produced in a variety of shapes, including round, square, and rectangular, with smaller diameters. Additionally, steel pipe is commonly used for transporting fluids and gases, while tubing is often utilized for structural applications or as components in mechanical systems.

Q: How do steel pipes handle ground freezing and thawing?: Steel pipes are highly resistant to ground freezing and thawing due to their inherent strength and durability. They are designed to withstand extreme temperature variations without significant damage or deformation. Additionally, steel pipes have low thermal conductivity, meaning they do not transfer heat as easily as other materials, allowing them to maintain their structural integrity even in freezing conditions. Thus, steel pipes are an excellent choice for underground infrastructure and can effectively handle ground freezing and thawing.

Q: How do you calculate the pipe pressure loss coefficient for steel pipes?: To calculate the pipe pressure loss coefficient for steel pipes, you can use various empirical equations or reference charts specific to the pipe type and size. These equations and charts take into account factors such as pipe roughness, Reynolds number, and flow rate to determine the pressure loss coefficient. It is important to consult relevant engineering references or software to accurately calculate this coefficient for steel pipes.

Q: How to make the steel pipe spray paint is not easy to fall off?: First you will rust steel, to clean, good quality alkyd rustproof paint, completely dry after brushing paint, color to see his kind of love.

Q: Where is the difference between seamless steel pipe and welded pipe?: The steel tube is a hollow steel strip, used as pipe conveying fluid, such as oil, gas, water, gas, steam, in addition, the bending and torsional strength of the same, the weight is light, so it is widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.Pipe classification: steel pipe seamless steel pipe and welded steel pipe (tube) two categories. It can be divided into round tube and special-shaped tube according to the sectional shape. The round steel tube is widely used, but there are some special-shaped steel tubes such as square, rectangle, semicircle, hexagon, equilateral triangle and octagon.

Q: How are steel pipes used in the construction of sewer systems?: Steel pipes are commonly used in the construction of sewer systems due to their durability and strength. These pipes are used to transport sewage and wastewater from households and businesses to treatment plants or disposal sites. They are resistant to corrosion and can withstand high pressure, making them ideal for underground installations. Additionally, steel pipes can be manufactured in various sizes and lengths, allowing for efficient and cost-effective installation in sewer infrastructure.

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