Boiler pipe is one kind of seamless pipe, and their production style is same. However boiler pipe has strict requirement for steel grade used. According to the usage temperature differences, boiler pipe can be divided into general boiler tube and high pressure boiler pipe. Different country have their own standard for boiler pipes, and they are widely used for heating surface of high temperature boiler, heater, economizer, super heater, re-heater, and petrochemical industry and so on.
Production Size Range: OD 21.3mm to 508mm x WT 3mm to 50mm
Main standards consist of DIN17175, EN10216, ASME SA-106M, SA-192M, SA-209M, SA-210M, SA-213M, SA-335M, GB3087, GB5310, JIS G3456, JIS G3461, JIS G3462. Advantages of us
1.Professional manufacturer for seamless steel pipe since 2006.
2.Competitive price due to factory production.
3.Comprehensive products list, supplying you with more choice.
4.More than 10years export experience. We can successfully deal with all the unexpected matter during the whole export procedures.
FAQ
1.What is the difference between high pressure boiler tubes and low and medium pressure boiler tubes?
The differences between high pressure boiler tubes and zhi low and medium pressure boiler tubes are as follows:
A.the execution standards is different
B.Different use environments
High pressure boiler tubes: the working pressure is generally above 9.8Mpa, and the working temperature is between 450â?? and 650â?? Low and medium pressure boiler tubes: the working pressure is generally not more than 5.88Mpa, and the working temperature is below 450â??
C.Different materials Suitable materials for high pressure boiler tubes:
20G, 20MnG, 25MnG, 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, etc. Suitable materials for low and medium pressure boiler tubes: 10#, 20#
D.Different prices
The price of high pressure boiler tubes is higher than that of low and medium pressure boiler tubes.
2.The difference on materials between fluid pipe and boiler pipe?
The working environment of fluid pipe is relatively peaceful Boiler tubes have low carbon, strict control of harmful elements, no segregation of carbon elements and good welding performance
3.Why should boiler tubes be heat treated?
Stress concentration will occur after bending. Heat treatment is mainly to eliminate stress.
Product name: seamless steel pipe
Meet the standard: GB
Material: 20# or other
Size: According to customer requirements
Type: round
Technology: Hot Rolling
Surface treatment: black
Application: line pipe, fluid pipe or machining, etc.
Container type: 20gp/gh or 40gp/gh
Loading capacity: 25-28 tons per container
Packing type: plastic cover, steel buckle, woven bag with each other.
Condition: 30% TT advance and balance payment before loading
Factory production capacity: 1,000 tons per month
Delivery time: 7-15 days
Loading port: Qingdao, China
Used inside of casing pipe, after completion of drilling, it is a kind of pipeline that transport the oil or gas from hydrocarbon reservoir to the earths surface, during which process it withstand the pressure of generated in mining. Diameter of the tubing is usually from 60.3mm to 114.3mm.
There are several process forms of the oil tube end portion, we give the dimension table as below.
For oil, gas or water transportation . Line pipe convey the oil, gas or water to petroleum and gas industrial enterprise.
There are two kinds of line pipe, which is seamless line pipe and welded line pipe. There is plain, threaded and socket ends, accordingly they connect with each other via welding, thread and socket connection.
Fertilizer pipe, used in fertilizer equipment, can fit the circumstance of temperature -40 to 400â?? and working pressure from 10 to 30Pa. Its standard is GB 6479.
Petroleum cracking pipe is used for petroleum cracking process, and pipe will bear high pressure under the mixture circumstance of high temperature with steam. So the pipe shall have high strength and good feature of oxidation resistance, together with stable structure.FAQ
1.What is the difference between high-pressure fertilizer seamless steel pipe and fluid seamless steel pipe?
High-pressure seamless steel pipe for fertilizer equipment bai is a high-quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipe dao with working temperature of -40~400â?? and working pressure of 10~30Ma. Usage: It is suitable for chemical equipment and pipelines with working temperature of -40 ~ 400â?? and working pressure of 10 ~ 32MPa, and is suitable for conveying chemical media such as synthetic ammonia, urea and methanol.
Fluid seamless steel pipe is a kind of pipe with hollow cross-section, without welding seam from beginning to end. Steel pipes have hollow cross-sections, and are widely used as pipes for transporting fluids, such as oil, natural gas, coal gas, water and some solid materials.
2.What is your production size range for fertilizer pipe?
Our fertilizer pipe size range for OD 38 to 508mm, and WT 4 to 50mm.
3.Can we get it from stocks if we need in small quantity?
We get both stocks sales and production sales. And our usual stocks scale is around 7000tons, we can sell them to you shall the pipes is available in stocks. And we have to produce in production order shall there is no stocks for sizes you need.
Wear-resistant steel pipe is widely used on electric power, metallurgy, coal mining and chemical industries, conveying sand, stone, mine powder, lime-ash, aluminum liquid and other grindability particles and corrosive media.
Wear resistant steel pipe can be a welded pipe or seamless pipe. And welded wear resistant steel pipe is produce from wear resistant steel plate, they can be ERW pipe, or SAW pipe. Welded wear resistant steel pipe have lower strength compared with seamless pipe. Our production scale for seamless wear-resistant steel pipe is from OD 42 till 508mm, and WT from 4 to 80mm.
We produce the wear-resistant steel pipe as per GB8162, GB8163 and GB33966.
Production Size Range: OD 21.3mm to 630mm x WT 3mm to 80mmAdvantages of us
1.Fast delivery. We get several production lines for our products, making sure production circle in short time. Shall there is no goods from stocks, we can produce them within 20days for an order no less than 200tons.
2.We improve our goods quality starting from the raw materials. All our raw materials is from China biggest national steel company or group, which will ensure the right chemical composition and good mechanical property.
3.SGS and BV third party inspection can be done before goods sending to port.
4.Good experience on dealing with export issues.
5.Long term cooperation with clients. For the moment our clients mostly cooperated with us for more than 3 years, they places regular orders due to us friendly and credit business-ship.
FAQ
1.What kind of wear-resistant pipe is used in mines?
The outer layer is high-strength steel and the inner layer is ceramic, which is called ceramic lined composite steel pipe. The ceramics in the inner layer are very wear-resistant
2.Performance characteristics of wear-resistant pipe?
a. Excellent wear resistance, continuous use for more than 10 years.
b. The lining ceramic has high strength, high hardness and light weight
c. Firm mounting, good heat resistance and corrosion resistance
d. The inner wall is smooth and does not block the powder
3.What is the classification of wear-resistant pipes ?
There are mainly seven kinds of wear-resistant pipes as follows:
a. Ultra-high molecular polyethylene pipeline, mainly used for slurry transportation; b. Polymer ceramic corrosion-resistant and wear-resistant pipelines are mainly used in desulfurization pipelines; c. Bimetal surfacing alloy wear-resistant pipeline, which is used for pulverized coal transportation pipeline; e. Casting bimetallic high chromium wear-resistant pipes for mine backfilling; e. Integral ceramic wear-resistant pipeline, which is used for conveying pipeline with silicon powder; f. Rubber wear-resistant pipeline, used for corrosive slurry pipeline; g. Cast stone wear-resistant pipeline, used for ash conveying pipeline of power plant;
Automotive and mechanical structure pipe is one kind of seamless steel pipe for general structure and mechanical structure. Structural pipe standard is applicable to seamless steel pipe for general structure and mechanical structure, and fluid seamless steel pipe standard is applicable to general seamless steel pipe for conveying fluid. The main difference between fluid seamless steel pipe and structural seamless steel pipe is that the fluid seamless steel pipe carry out hydraulic test or ultrasonic, eddy current and magnetic flux leakage inspection piece by piece. Therefore, in the pressure piping standards, it is not suitable to use fluid seamless steel pipe. Seamless steel structure pipe is mainly used in mechanical processing, coal mine, hydraulic purpose, etc.
The applicable standards for seamless structure pipe mainly consist of:
GB/T8162---------China National Standard
ASTMA519-------American Society for Testing and Materials Standards
EN10297-1--------EU standards
JISG3445----------Japanese Industrial Standards
Purpose:
Applicable to the general structure, mechanical structure and car structure.
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The main production steel grades:
10, 20, 35, 45, 16Mn, 1020, 1045, 1541, E275, E315, 34CrMo4, 42CrMo4, STKM13A, STKM13B
Advantages of us
1.Annual supply order and partial shipment accepted.
2.14years production mill ensure you the high quality and considerate service.
3.Free sample is available for testing of goods quality.
4.Both stocks and production order supply style making sure soonest delivery time.
FAQ
1.Is there any discount shall we place the order in large quantity?
We can give a discount of 5-10USD/Ton for an order above 150tons based on our quoted best rate.
2.What is your company packing style like for goods?
The steel pipe, plate, and bars plate products usually will be bare. And we will do anti-rust oil, black painting, plastic clothes packing as per client request. The pipe fitting and pipe rings products will be loaded in the wood crate (no need for fumigation) or pallet.
3.Does your company accept third party inspection?
The answer is yes. Especially for new client, they have concern on product quality and quantity, so they authorized the third party inspection like SGS and BV several times to inspect the goods in stead of them, and we coordinated with their work well.
