Seamless Steel Pipe ASTM A519 4140 made in China

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Description of Seamless Steel Pipe

ASTM A519 4140

Seamless steel pipe is a hollow section, no seams of strip steel. Is made from solid tube ingot or the perforation capillary, then through hot rolling and cold rolling or cold dial. Steel pipe has a hollow section, a large number of used for conveying fluid pipe, such as oil, natural gas, coal gas, water and some solid materials, such as pipelines

 

Features of Seamless Steel Pipe

High strength

High toughness

High hardenability

The cold deformation

 

Application of Seamless Steel Pipe

Screw drill tool

Wellhead components

Nipple

Fishing tool

 

Technical Data of Seamless Steel Pipe

(ODXWTXL mm):51--530x4--90x5000-12000(mm)

 

 

ElementCSiMnPSCuNiCuCrMoOSn
Content(wt%)0.380.150.750.800.15
0.430.351.000.0250.0250.250.250.301.100.250.00250.020

 

IMages of Seamless Steel Pipe

Seamless Steel Pipe ASTM A519 4140 made in China

Seamless Steel Pipe ASTM A519 4140 made in China

Seamless Steel Pipe ASTM A519 4140 made in China

 

FAQ

①How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test 
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

 

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Q:What qualifications do FRP pipes need to export to Australia?
Need to comply with the local certification standards or international certification standards certification system
Q:What are the main materials used for steel pipes?
The ventilation pipe in the industrial and construction projects, mainly related to application: purification system of electronic industry clean workshop, purifying system of medicine and food aseptic workshop, hotels, hospitals, shopping malls and office buildings factory of central air-conditioning system, industrial pollution control, dust, oil and smoke exhaust pipe, industrial environment or position by giving comfort the wind pipe, coal mine gas drainage system, gas pumping for coal mine environment control air supply system and so on..;
Q:The difference between GRP cable duct and PVC cable pipe
PVC cable pipe refers to various kinds of rigid PVC pipes made of PVC resin as main raw material and various stabilizers.
Q:What are FRP pipes made of?
Light weightThe weight of the pipe is only 1/4 of the same size and the same length as the ductile iron pipe, and 1/10 of the cement pipe. The transportation is easy to handle and easy to install.
Q:What's the difference between glass fiber reinforced plastic pipe and glass fiber reinforced sand pipe?
Sand sandwiched glass fiber reinforced plastic pipes only have more than one sand sandwiched with glass fiber reinforced plastic pipes, and sand layer can be understood to replace glass fiber with quartz sand. The sand pipe with the same thickness is compared with the glass fiber reinforced plastic pipe, but the sand holding pipe is cheap, but the strength is poor; and the glass steel pipe is opposite.
Q:What are the specifications of glass fibre reinforced plastic cable pipes? What are they?
FRP cable pipe is a new type of composite material, it formed with resin as matrix and glass fiber reinforced composite materials, and unsaturated resin bonded molding and high quality cable protection is matched with the modern cable engineering construction with catheter products. Strong pressure resistance, light weight, smooth inner wall and small friction coefficient. It is easy to use the cable and does not damage the cable. Moving and transporting are easier and more convenient than metal pipe and concrete pipe. Construction and installation are simple and convenient and save labour.
Q:Why FRP pipe corrosion?
If it is ordinary water, generally does not count corrosion, there will be no obvious corrosion, long time began to soak rotten.
Q:Why more and more people choose FRP pipe?
The cost performance of FRP pipes is higher than that of PP, PVC, PE or concrete, and the strength, hardness and toughness of PP, PE and PVC are not as good as those of FRP pipes
Q:What is fiberglass communication tube?
Fiberglass communication tubes are different from electric protective tubes. Glass fiber reinforced plastic communication tube is a composite structure, the inner layer of glass fiber burr cleaning, and brushing a thicker layer of resin, or lined with a layer of PVC.
Q:What are the functions of glass fiber reinforced plastics?
Because FRP is a kind of composite material, its performance range is very extensive, so its market development prospect is very broad. According to statistics, the types of FRP products developed in various countries in the world have reached about 40 thousand kinds. Although all countries are in accordance with their own economic development, the direction of development has its own focus, but basically all sectors of the industry have been involved. After more than forty years of development, the glass fiber reinforced plastic industry in our country has been successfully applied in all fields of national economy, and has played an important role in economic construction.

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