low and medium pressure boiler seamless steel tubes

Ref Price:

Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 5000 m.t./month

Inquire Now

Chat Online

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Packaging & Delivery

Packaging Detail:	in bundle
Delivery Detail:	7 days afer order is confirmed

Specifications

boiler seamless steel tubes
1. fast delivery
2. rich material inventory
3. competitive price

low and medium pressure boiler seamless steel tubes

Pipe Size	1/2"—48" (DN15-1200)
Wall Thickness	SCH10,SCH20,SCH30,STD,SCH40,SCH60,XS,SCH80,SCH100,SCH120, SCH140,SCH160,XXS,DIN, JIS standard thickness
Length	Fixed: 3.0 , 5.8 , 5.85 , 5.9 , 6.0 ,11.8 , 12.0m. Random length: 5-12m
Standard	ASTM A53, A106, API 5L, ASME B36.10M-1996 DIN1626, DIN1629, DIN17175, DIN 2448 JIS G3452,JIS G3454,JIS G3455,JIS G3456,JIS G3457,JIS G3461
Material	Q235, 20#, Q345 A53B, A106B, API 5L B,X42,X46,X52,X60, X65 ST37.0,ST35.8,St37.2,St35.4/8,St42,St45,St52,St52.4 STP G38,STP G42,STPT42,STB42,STS42,STPT49,STS49
Application	Low and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling, chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure, petrochemical, pharmaceutical industry
Surface	Black painting, varnish paint, anti rust oil, hot galvanized, cold galvanized, 3PE,etc.
Package	Plastic caps on both ends, Steel bundle, Woven bag or acc. to customers' request
Certificate	ISO9001, SGS,BV, etc
Capacity	80000tons/year
Advantages	1.Reasonable price with excellent quality 2.Abundant stock and prompt delivery 3.Rich supply and export experience, sincere service 4.Reliable forwarder, 2-hour away from port.

Applications:

It mainly used for fluid transportation piping, for example oil, natural gas, water, coal gas and steam transporting. Because of the light weight, it also can be widely used in mechanical spare parts and structural parts.

1. Our pipe size

OD: 1/8'' to 48'', nomical thickness :Sch5s to XXS

2.Our pipe including:

ASTM A106 seamless carbon steel pipe

Structure steel pipe

ASTM A179 cold drawn low carbon steel pipe

ASTM A192 steel boiler tubes

ASTM SA213/A519 alloy steel pipe

DIN1629/EN10216-1 Pipe line

DIN17175/EN10216-2 Heat Resisting seamless steel pipe lines

DIN 2391-1 cold drawn or cold rolled steel tube

API SPEC 5CT Tubing and Casing

Q:What's the difference between hot dip galvanizing and cold galvanizing? Which kind of galvanizing method is good?: There are two kinds of hot dip galvanizing, zinc plated and non galvanized. The flowers must be hot-dip galvanized, without flowers, similar to galvanized.

Q:What are the different testing methods for steel pipes?: Some of the different testing methods for steel pipes include visual inspection, ultrasonic testing, magnetic particle testing, radiographic testing, and hydrostatic testing.

Q:How do you calculate the pipe flow rate for steel pipes?: To calculate the pipe flow rate for steel pipes, you can use the Hazen-Williams equation or the Darcy-Weisbach equation. These equations take into consideration factors such as the pipe diameter, length, roughness, and the pressure difference between the two ends of the pipe. By plugging in these values into the respective equation, you can determine the flow rate of the fluid passing through the steel pipe.

Q:What is the difference between the stainless steel pipe welded pipe and seamless pipe?: Grain size: usually, the grain size of the metal is related to the heat treatment temperature and the time at which the metal is kept at the same temperature. Therefore, the welded pipe and seamless tube annealing of the same grain size. If the minimum tube cold treatment, the grain size of the weld metal is smaller than the grain size, welding or grain size is the same.Strength: the strength of the pipeline in the composition of the alloy and alloy containing the same and the same heat treatment of seamless tube and seamed tube essentially consistent strength. After the tensile test and three-dimensional vibration test, tube tearing almost all occurred in the welding point or away from the heated area where. This is because there is little impurity in the weld and the nitrogen content is slightly higher, so the strength of the welded joint is better than that of other parts. However, the ASME Boiler and Pressure Vessel Association believes that the seamed tube can withstand 85% of the allowable pressure, which is mainly due to improved welding equipment data collection prior to today. The provisions of ASME 100% completely under license by ultrasonic testing pressure tube. Similarly, Europe and Asia also stipulates that can ensure the quality of welding performance by eddy current test tube, the eddy current testing is subject to legal procedures and licensed institutions. Trent's eddy current test was approved by the Swedish power division. ASME believes the current loss is relatively small, high-quality performance based on the seamed tube.

Q:How are steel pipes insulated against heat loss?: There are multiple ways to insulate steel pipes to prevent heat loss. One widely used method involves utilizing insulation materials like mineral wool or fiberglass wraps. These materials are wrapped around the pipes, forming a barrier that reduces heat transfer. Another approach involves directly applying insulation coatings like foam or rubber coatings onto the pipe's surface. These coatings create a protective layer that minimizes heat loss. Additionally, thermal tape or heat-resistant tape can be employed to seal any gaps or joints in the insulation, ensuring a continuous barrier against heat loss. In summary, effectively insulating steel pipes is crucial to maintaining the desired temperature of the fluid or gas being transported and enhancing energy efficiency across diverse industries.

Q:How are steel pipes marked for identification and traceability?: Steel pipes are marked for identification and traceability through various methods. One common method is through the use of permanent markers or paint. These marks typically include important information such as the manufacturer's name or logo, the pipe's size and specifications, and the production date or batch number. In addition to surface marking, steel pipes may also be identified using tags or labels. These tags are usually made of durable materials such as metal or plastic and are securely attached to the pipe. They contain detailed information about the pipe, including its unique identification number, material composition, and any relevant certifications or standards it meets. Another method used for identification and traceability is the application of barcodes or QR codes. These codes can be scanned using specialized equipment or mobile applications, providing instant access to comprehensive information about the pipe's origin, production process, and quality control measures. Barcodes and QR codes offer a more efficient and automated way of tracking and tracing steel pipes throughout their lifecycle. Furthermore, some steel pipes may have embossed or engraved markings directly on their surface. These markings are typically indented into the metal and can withstand harsh conditions, ensuring long-term visibility and legibility. The goal of marking steel pipes is to ensure their proper identification and traceability throughout their lifecycle. This helps in quality control, maintenance, and inspection processes, as well as in ensuring compliance with regulatory requirements. By having clear and permanent markings, manufacturers, suppliers, and users can easily track and trace the history and specifications of steel pipes, enabling better management and accountability in various industries such as construction, oil and gas, and infrastructure development.

Q:What is the average lifespan of steel pipes in different applications?: The average lifespan of steel pipes in different applications can vary depending on various factors such as the quality of the steel, the environment in which the pipes are used, and the maintenance and care they receive. In general, steel pipes used for water supply lines can have an average lifespan of around 50 to 70 years. This is because these pipes are typically made of high-quality steel and are subject to less corrosive environments. However, factors such as water chemistry, soil conditions, and the presence of corrosive substances can significantly influence the lifespan of these pipes. For steel pipes used in industrial applications such as oil and gas pipelines, the average lifespan can range from 20 to 50 years. These pipes are exposed to more aggressive environments, including high temperatures, pressure, and corrosive substances. Regular inspection, maintenance, and corrosion protection measures can help extend their lifespan. In construction applications, steel pipes used for structural purposes can have an average lifespan of 50 to 100 years or more. These pipes are typically designed to withstand heavy loads and are often protected by coatings or insulation to prevent corrosion. It's important to note that these are average lifespans and individual pipes may have shorter or longer lifespans depending on the specific conditions they are exposed to. Regular inspections, maintenance, and timely repairs or replacements when necessary can help ensure the longevity of steel pipes in different applications.

Q:Can steel pipes be used for conveying potable water?: Yes, steel pipes can be used for conveying potable water. However, it is important to ensure that the steel pipes are coated or lined with suitable materials to prevent corrosion and contamination of the water supply. Regular maintenance and monitoring of the pipes are also necessary to ensure the water remains safe for consumption.

Q:What are the different grades of steel used for manufacturing pipes?: The different grades of steel used for manufacturing pipes include carbon steel, alloy steel, stainless steel, and duplex steel.

Q:Are steel pipes suitable for wastewater treatment facilities?: Steel pipes are indeed a suitable option for wastewater treatment facilities. These facilities commonly employ steel pipes because of their impressive strength, durability, and resistance against corrosion. Given that wastewater treatment facilities often deal with corrosive and abrasive substances, steel pipes have the ability to endure these harsh conditions. Furthermore, steel pipes come in various sizes and configurations, allowing for effortless installation and customization to meet the specific requirements of the facility. Moreover, if necessary, steel pipes can be easily repaired or replaced, ensuring the long-lasting and dependable nature of the wastewater treatment system. Ultimately, steel pipes are an appropriate choice for wastewater treatment facilities due to their strength, durability, corrosion resistance, and flexibility for installation and maintenance.

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