Steels Manufacture Building Material Made in China on Sale

Steels Manufacture Building Material Made in China on Sale System 1

Steels Manufacture Building Material Made in China 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 Made in China on Sale

Q: What are the different methods of inspecting steel pipes for defects?: There are several methods of inspecting steel pipes for defects, including visual inspection, magnetic particle inspection, ultrasonic testing, radiographic testing, and eddy current testing. Each method has its own advantages and limitations, and the choice of inspection method depends on factors such as the type of defect being searched for, the size and shape of the pipe, and the desired level of accuracy and sensitivity.

Q: How do you calculate the pipe head loss for steel pipes?: The head loss in steel pipes can be calculated using the Darcy-Weisbach equation, which takes into account factors such as the pipe length, diameter, roughness, flow rate, and fluid properties. This equation provides an accurate estimation of the head loss based on these variables.

Q: How are steel pipes used in water treatment plants?: Steel pipes are commonly used in water treatment plants for various purposes, such as transporting water from different sources, distributing water to different treatment units, and conveying treated water to storage tanks or distribution networks. They are also used in the construction of infrastructure components like pumping stations, filtration units, and chemical dosing systems. Additionally, steel pipes provide durability, corrosion resistance, and the ability to withstand high pressures, making them suitable for handling the demands of water treatment processes.

Q: What are the advantages of using steel pipes in industrial plants?: Using steel pipes in industrial plants offers numerous advantages. Firstly, their exceptional strength and durability make them ideal for transporting materials and fluids under high temperatures, pressures, and heavy loads. Secondly, steel pipes have excellent resistance to corrosion, which is crucial in industrial settings where they encounter corrosive substances or harsh environmental conditions. This resistance ensures their longevity, prevents leaks, and eliminates potential hazards. Additionally, steel pipes are highly versatile. They can be easily fabricated and customized to meet specific requirements, including different sizes and shapes. This flexibility simplifies installation and maintenance, reducing downtime and improving overall efficiency. Moreover, steel pipes have a smooth interior surface, allowing for efficient material flow with minimal resistance and pressure drop. Their smoothness also prevents the accumulation of deposits and contaminants, ensuring a clean and hygienic environment. Furthermore, steel pipes exhibit high resistance to fire, providing an added layer of safety in industrial plants where fires can have disastrous consequences. Lastly, while the initial installation cost of steel pipes may be higher compared to other materials like plastic or copper, their durability and low maintenance requirements result in significant long-term cost savings. With a long lifespan and resistance to corrosion and damage, the need for frequent replacements or repairs is minimized. In conclusion, the use of steel pipes in industrial plants offers various advantages, including strength, durability, corrosion resistance, versatility, efficient flow, fire resistance, and cost-effectiveness. These qualities make steel pipes a reliable and efficient choice for diverse applications within industrial facilities.

Q: Are steel pipes suitable for fire protection systems?: Yes, steel pipes are suitable for fire protection systems. They are widely used due to their durability, strength, and resistance to high temperatures. Steel pipes can efficiently transport water or fire suppressants to extinguish fires effectively, making them a reliable choice for fire protection installations in various buildings and industrial settings.

Q: How do you calculate the pressure drop in a steel pipe?: To calculate the pressure drop in a steel pipe, you need to consider several factors such as the diameter and length of the pipe, the flow rate of the fluid, and the properties of the fluid itself. One commonly used equation to calculate the pressure drop in a pipe is the Darcy-Weisbach equation, which is given as: ΔP = (f * (L / D) * (ρ * V^2)) / (2 * D) Where: ΔP is the pressure drop in the pipe f is the Darcy friction factor, which depends on the pipe roughness and Reynolds number L is the length of the pipe D is the diameter of the pipe ρ is the density of the fluid V is the velocity of the fluid To calculate the Darcy friction factor, you can use different methods depending on the flow regime. For laminar flow, you can use the formula f = 16 / Re, where Re is the Reynolds number. For turbulent flow, there are several methods to determine the friction factor, such as the Colebrook equation or the Moody chart. It is important to note that the properties of the fluid, such as its viscosity and density, may vary with temperature and pressure. Therefore, it is necessary to consider these variations when calculating the pressure drop. Additionally, it is worth mentioning that there are other factors that can affect the pressure drop in a steel pipe, such as fittings, valves, and elbows. These factors introduce additional losses, which can be accounted for by using appropriate correction factors or by directly measuring the pressure drop across these components. Overall, calculating the pressure drop in a steel pipe involves using the appropriate equations, considering the properties of the fluid, and accounting for the various factors that may affect the flow. It is recommended to consult relevant engineering handbooks or utilize specialized software for accurate calculations.

Q: Can steel pipes be used for water supply lines?: Indeed, water supply lines can utilize steel pipes. In the realm of industrial and commercial settings, steel pipes find frequent employment in the conveyance of water and other fluids. Their remarkable endurance and robustness render them highly suitable for systems operating under high pressure. Moreover, steel pipes exhibit exceptional resistance to corrosion, a crucial attribute for upholding water supply quality and safety. Nevertheless, it remains imperative to guarantee that steel pipes employed for water supply lines are adequately coated or lined to avert any potential water contamination.

Q: How do you protect steel pipes from fire?: One way to protect steel pipes from fire is by applying a fire-resistant coating or insulation. This can help prevent the pipes from reaching the critical temperature where structural integrity is compromised. Additionally, installing fire rated enclosures or barriers around the pipes can provide an extra layer of protection. Regular inspections and maintenance are also crucial to ensure any potential fire hazards are identified and addressed promptly.

Q: What are the uses of seamless steel tubes?: Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, such as rolling bearing ring, Jack and so on, has been widely used in steel pipe manufacturing.

Q: How are steel pipes insulated to prevent heat loss?: Steel pipes are typically insulated using materials such as fiberglass, foam, or mineral wool. These insulation materials are wrapped around the pipes and securely held in place with tapes or clamps. This insulation layer acts as a barrier, reducing heat transfer and preventing heat loss from the steel pipes.

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