SPIRAL STEEL PIPE 16‘‘ CARBON STEEL ASTM API

SPIRAL STEEL PIPE 16‘‘ CARBON STEEL ASTM API System 1

SPIRAL STEEL PIPE 16‘‘ CARBON STEEL ASTM API

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Customer Service

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Seamless Steel Tubes For Elevated Temperatures

ASTM 53 ERW welded pipes--Tube and Pipe

Oil Tubing / Petroleum Pipe

Hot-rolled seamless steel tubes for hydraulic pillar service

Seamless Steel Pipe of Top Supplier

Carbon Seamless steel pipe balck ASTMA106 GRADE B

Seamless steel pipe ASTM A106/API 5L/ASTM A53 grade B high quality

Square tube and rectangular tube for building structure

Packaging & Delivery

Packaging Detail:	standard export packing or as customer's requirement
Delivery Detail:	within 10 - 30 days

Specifications

Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm

Spiral Welded Steel Pipes and Tubes

Product Description:

1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100

2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672

3.Wall thickness: 3.0mm-30mm

4.Outer diameter: φ168mm-3020mm

5,Length: 5m-12m or as your requirement

6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002

7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc

Q195-q345 Material Steel Pipe's Materials

Elements Material	Chemical Compsition%					Mechanical Property
	C%	Mn%	S%	P%	Si%	Yield Point (Mpa)	Tensile Strength(Mpa)	Elongation (%)
Q195	0.06-0.12	0.25-0.50	<0.050	<0.045	<0.030	>195	315-430	32-33
Q215	0.09-0.15	0.25-0.55	<0.05	<0.045	<0.030	>215	335-450	26-31
Q235	0.12-0.20	0.30-0.70	<0.045	<0.045	<0.030	>235	375-500	24-26
Q345	<0.20	1.0-1.6	<0.040	<0.040	<0.55	>345	470-630	21-22

Q:Can steel pipes be used for underground water supply systems?: Yes, steel pipes can be used for underground water supply systems. Steel pipes are durable, strong, and resistant to corrosion, making them suitable for underground applications. They can withstand high water pressure, provide efficient flow of water, and have a long lifespan. However, it is important to ensure that the steel pipes are properly coated and protected against corrosion to prevent any contamination of the water supply. Additionally, steel pipes are heavier than other materials, which may require additional support during installation. Proper maintenance and regular inspection are also crucial to identify any potential issues and prevent leaks or damage to the underground water supply system.

Q:What are the common methods of joining steel pipes?: The common methods of joining steel pipes include welding, threading, and using mechanical couplings. Welding involves fusing the pipes together using heat, while threading involves screwing the pipes together using threads on the ends. Mechanical couplings are devices that connect the pipes together using compression or other means.

Q:What are the common methods for repairing steel pipes?: Depending on the nature and extent of the damage, there are several common methods available for repairing steel pipes. One method frequently used is welding. This technique involves melting the damaged area and fusing it with a new piece of steel. Welding is typically employed for small cracks or holes in the pipe. Different welding techniques, such as shielded metal arc welding (SMAW), gas metal arc welding (GMAW), or tungsten inert gas (TIG) welding, can be utilized. Another option is pipe wrapping or bandaging. This method entails wrapping a layer of adhesive tape or resin-soaked fiberglass around the damaged section of the pipe. It is suitable for addressing small leaks or corrosion spots and serves as a temporary solution until a more permanent fix can be implemented. If the damage is extensive or the pipe suffers severe corrosion, pipe lining or relining may be necessary. This involves inserting a new pipe liner inside the existing one, effectively creating a new pipe within the old one. Various materials, such as epoxy, polyethylene, or cured-in-place pipe (CIPP), can be used for this method. Pipe lining is commonly employed for larger diameter pipes or when replacement is not feasible. In some instances, minor leaks or cracks can be repaired using pipe clamps or sleeves. These devices are designed to be clamped around the damaged section and can provide either a temporary or permanent solution, depending on the severity of the damage. Ultimately, the choice of repair method depends on factors such as the extent of the damage, accessibility of the damaged area, budget constraints, and the required long-term durability. It is advisable to consult with a professional pipe repair specialist to assess the specific situation and determine the most suitable method for repairing steel pipes.

Q:What is the difference between API 5L and ASTM A53 steel pipes?: API 5L and ASTM A53 steel pipes differ mainly in their specifications and intended applications. API 5L is a standard for seamless and welded steel pipes used for transportation of oil, gas, and water in the petroleum and natural gas industries. It specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of seamless and welded steel pipes. On the other hand, ASTM A53 is a standard specification for seamless and welded black and hot-dipped galvanized steel pipes used for mechanical and pressure applications. While both standards have similarities, they have different scopes and requirements, making them suitable for distinct purposes in different industries.

Q:Can steel pipes be used in extreme weather conditions?: Yes, steel pipes can be used in extreme weather conditions. Steel is known for its high strength and durability, making it suitable for a wide range of applications including construction, infrastructure, and transportation. Steel pipes are commonly used to transport fluids and gases in various industries, and they are designed to withstand harsh environmental conditions, including extreme temperatures, high pressures, and corrosive environments. In extreme weather conditions such as extreme heat, cold, or heavy rain, steel pipes can maintain their structural integrity and functionality. Additionally, steel pipes can be coated or insulated to provide additional protection against corrosion and to maintain desired temperatures. Overall, steel pipes are a reliable choice for use in extreme weather conditions due to their strength, durability, and resistance to various environmental factors.

Q:Why can't stainless steel be put together with carbon steel tube?: The bimetallic corrosion is terminated only when one of the three conditions is changed. Galvanic corrosion is related to the contact area of bimetal and the greater the contact area. Corrosion is less. The driving force of galvanic corrosion is the potential difference.[galvanic corrosion] refers to two or more than two kinds of electrode potential of metal in the corrosive medium, and contact with each other caused by electrochemical corrosion, also known as contact corrosion or double metal corrosion.

Q:What are the different factors affecting the flow rate of steel pipes?: There are several factors that can affect the flow rate of steel pipes, including the diameter and length of the pipe, the viscosity and temperature of the fluid being transported, the pressure difference across the pipe, and any obstructions or irregularities in the pipe's interior surface. Additionally, the type of fluid being transported and its flow characteristics, such as laminar or turbulent flow, can also impact the flow rate of steel pipes.

Q:How are steel pipes used in the mining and mineral processing industry?: Steel pipes are widely used in the mining and mineral processing industry for various applications. They are primarily used for the transportation of water, slurry, and other liquids within the mining operations. These pipes are also used for the conveyance of minerals, ores, and waste materials. Additionally, steel pipes are used in the construction of infrastructure such as mine shafts, pipelines, and underground tunnels in the mining industry. They provide durability, strength, and resistance to corrosion, making them a reliable choice for the demanding conditions of mining and mineral processing.

Q:How are steel pipes protected against electrolytic corrosion?: Steel pipes are protected against electrolytic corrosion through a variety of methods. One common method is the application of protective coatings on the surface of the pipes. These coatings act as a barrier, preventing direct contact between the steel and the surrounding environment, which includes moisture and other corrosive substances. Coatings such as epoxy, polyethylene, and zinc are commonly used for this purpose. Another method of protection is the use of sacrificial anodes. Sacrificial anodes are made from a metal that is more reactive than steel, such as zinc or aluminum. These anodes are attached to the steel pipes and, as they corrode over time, they sacrifice themselves to protect the steel. This process is known as cathodic protection and is highly effective in preventing electrolytic corrosion. In addition to coatings and sacrificial anodes, proper insulation and electrical isolation are crucial in protecting steel pipes from electrolytic corrosion. Insulating materials, such as rubber or plastic sleeves, are used to prevent direct contact between the pipes and other metals or electrolytes. Electrical isolation can be achieved through the use of dielectric unions or insulating flanges, which prevent the flow of electric current between different sections of the pipeline. Regular maintenance and inspection also play a key role in protecting steel pipes against electrolytic corrosion. Periodic checks for coating integrity, anode condition, and potential electrical leakage are essential to ensure the continued effectiveness of the corrosion protection system. Overall, a combination of protective coatings, sacrificial anodes, insulation, electrical isolation, and regular maintenance is necessary to protect steel pipes against electrolytic corrosion. By implementing these measures, the lifespan of steel pipes can be significantly extended, ensuring the safety and reliability of various applications such as water distribution, oil and gas transportation, and structural support in buildings and infrastructure.

Q:How do steel pipes perform in seismic zones?: Steel pipes are commonly used in seismic zones due to their high strength and flexibility. They are able to withstand the dynamic forces and ground movements caused by earthquakes, offering excellent resistance to damage and deformation. The ductility and toughness of steel pipes allow them to absorb and dissipate energy during seismic events, reducing the risk of failure or collapse. Additionally, steel pipes can be designed and installed with proper reinforcement and connections to further enhance their performance in seismic zones.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range