Stainless Steel Spring Wire For Crane Hot Sale and High Quality

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 8000 kg

Supply Capability:: 10000 kg/month

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1.Packing And Delivery

Package: Seaworthy package
MOQ: 0.5 tons
Delivery: 15-20 days
Monthly Output: 100 tons
Payment : 30%T/T in advanced+70% balanced;irrevocable L/C at sight
Remarks: All-risk insurance and accept the third party test
Port : Shanghai

AISI 316 high tensile strength stainless steel spring wire

Detail as follows:
Standard	AISI,ASTM,GB,SUS etc
Grade	201,202,204,301,303,304,304L,310,316,316L etc
Diameter	0.7mm-14.0mm
Surface	Bright or matt
Condition	hard
Tolerance	+/-0.03mm
Length	According to customers’ requirement
Packing	Packed by weaved bag or according to customer's requirements
Technology	Cold drawn
Application	Spring
Productivity	300 tons/month
MOQ	100KG
Note	We can produce other standard as the customers' requirement

ODM&OEM SERVICES
Service	Drawings or samples processing/OEM/ODM service provided
Produce Process	Drawings→ mould making → pre-forging →rough machining or finish machining →surface treatment →product checking and quality control→ packing →delivery
Forging Material	Carbon Steel, Alloy steel, Stainless steel
Standard	ISO, GB, ASTM, DIN, JIS
Produce Equipment	Friction Screw Press Series, CNC Lathe, Machining Center (Vertical Spindles), CNC Milling Machine, Bench Drilling Machine, Heat Treatment Equipments and so on.
Surface treatment	Heat treatment, Polishing, shot blasting, Painting, Electro-plating, Chemical Plating,
Inspection Equipments	Metallurgical analysis, tensile strength tester, Hardness tester, Altimeter, Scale Micrometer, pressure tester, etc.
Delivery	Samples are sent by express Large quantity products delivered to customer by sea or according to your request
Terms of payment	T/T or L/C

1. Competitive price and quality from our own factory

2. Approved by ISO9001, CE, SGS every year
3. Best service with 24 hour`s reply
4. Flexible payment with T/T,L/C , paypal, kunlun bank, western union, etc.
5. Smooth production ability(50000tons/month)
6. Quick delivery and standard exporting package
7. OEM/ODM

Q: What is the difference between steel pipes and PPR pipes?: Steel pipes are made of steel and are primarily used for transporting liquids and gases in industries such as oil, gas, and construction. They are durable, resistant to high temperatures and pressure, and have a long lifespan. On the other hand, PPR (polypropylene random copolymer) pipes are made of plastic and are commonly used for plumbing systems in residential and commercial buildings. PPR pipes are lightweight, easy to install, corrosion-resistant, and have good thermal insulation properties. They are more suitable for carrying water and other non-corrosive fluids.

Q: How are steel pipes insulated to prevent noise transmission?: Steel pipes are typically insulated to prevent noise transmission through the use of materials such as mineral wool, fiberglass, or foam. These insulation materials are wrapped around the pipes to create a barrier that absorbs and reduces sound waves, preventing them from traveling and causing noise transmission.

Q: What are the different types of steel pipe coatings for nuclear power plants?: There are several types of steel pipe coatings used in nuclear power plants, including epoxy coatings, fusion-bonded epoxy (FBE) coatings, and polyethylene (PE) coatings. These coatings provide corrosion and chemical resistance to the steel pipes, ensuring their longevity and safety in the demanding environment of a nuclear power plant.

Q: How do you calculate the pipe friction loss for steel pipes?: The pipe friction loss for steel pipes can be calculated using the Darcy-Weisbach equation, which takes into account the pipe diameter, length, roughness, flow rate, and fluid properties. This equation considers the pressure drop caused by friction as the fluid flows through the pipe. By solving this equation, the pipe friction loss can be determined.

Q: What are the industries that commonly use steel pipes?: Some of the industries that commonly use steel pipes include construction, oil and gas, water and wastewater treatment, mining, manufacturing, automotive, and infrastructure development.

Q: What is the difference between steel pipe and ductile iron pipe?: The main difference between steel pipe and ductile iron pipe lies in their composition and properties. Steel pipe is made from a combination of iron and carbon, while ductile iron pipe is made from iron with added graphite and other elements to enhance its strength and ductility. Ductile iron pipe is typically stronger and more flexible than steel pipe, making it better suited for applications where durability and resistance to external forces are important. Additionally, ductile iron pipe is less susceptible to corrosion compared to steel pipe, making it a preferred choice in environments with high moisture or corrosive elements.

Q: How do you calculate the pipe flow rate for steel pipes?: To calculate the pipe flow rate for steel pipes, you will need to consider various factors. Firstly, determine the inside diameter of the pipe, typically denoted as D. Next, measure the length of the pipe, denoted as L. Additionally, you will need to know the pressure drop, ΔP, across the pipe and the fluid density, ρ. Once you have this information, you can use the Darcy-Weisbach equation or the Hazen-Williams equation to calculate the flow rate. The Darcy-Weisbach equation is commonly used for pipes with turbulent flow, while the Hazen-Williams equation is often used for pipes with laminar flow. For the Darcy-Weisbach equation, the formula is: Q = (π/4) * D^2 * √(2ΔP/ρ) Where Q is the flow rate in cubic meters per second, D is the inside diameter of the pipe in meters, ΔP is the pressure drop across the pipe in pascals, and ρ is the fluid density in kilograms per cubic meter. For the Hazen-Williams equation, the formula is: Q = C * (D^2.63) * (ΔP^0.54) * (L^0.63) Where Q is the flow rate in cubic meters per second, D is the inside diameter of the pipe in meters, ΔP is the pressure drop across the pipe in pascals, L is the length of the pipe in meters, and C is the Hazen-Williams coefficient which depends on the roughness of the pipe. To accurately calculate the pipe flow rate, it is important to ensure that the units of measurement are consistent throughout the calculation. Additionally, it is crucial to have accurate measurements of the inside diameter, length, pressure drop, and fluid density to obtain reliable results.

Q: What are the different types of steel pipe end connections?: There are several types of steel pipe end connections, including threaded, socket weld, butt weld, flanged, and grooved connections.

Q: How are steel pipes protected against internal scaling?: Internal coating or lining is a process employed to safeguard steel pipes from internal scaling. This entails applying a protective layer on the inside of the pipe to prevent the formation of scales or deposits. Multiple techniques are utilized for this purpose. One prevalent approach is the application of epoxy coatings. Epoxy, a resilient and corrosion-resistant material, forms a continuous barrier on the pipe's interior. It effectively hinders the accumulation of minerals and other substances that contribute to scaling. Epoxy coatings are commonly sprayed or brushed onto the inner surface of the pipe and then hardened to create a durable and smooth finish. Cement mortar lining is another method used to protect steel pipes from internal scaling. This involves applying a layer of cement mortar to the pipe's interior. The cement mortar acts as a barrier against scaling and offers additional corrosion protection. This lining process is typically employed for large-diameter pipes utilized in water distribution systems. Polyethylene (PE) lining is yet another technique deployed to safeguard steel pipes against internal scaling. PE lining necessitates the insertion of a high-density polyethylene liner into the pipe. This liner acts as a barrier against scaling and enhances fluid flow by reducing friction. PE lining is frequently used in applications that require a smooth interior surface, such as oil and gas pipelines. Apart from these methods, regular maintenance and cleaning of the pipes can also aid in preventing internal scaling. This may involve using chemical cleaning agents or mechanical cleaning techniques to eliminate any deposits that have formed on the pipe's interior surface. Overall, safeguarding steel pipes against internal scaling is vital to maintain their efficiency and prolong their lifespan. By employing various coating and lining methods, along with implementing appropriate maintenance practices, the risk of internal scaling can be significantly diminished.

Q: How do you prevent leaks in steel pipes?: One effective way to prevent leaks in steel pipes is by implementing a regular maintenance and inspection schedule. This includes checking for any signs of corrosion, damage, or wear and tear on the pipes. Additionally, using high-quality coatings or protective materials on the pipes can help minimize the risk of leaks by providing an extra layer of protection against external factors. Proper installation techniques and ensuring a secure connection between pipe joints are also crucial in preventing leaks.

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