Composite Pipes ASTM A519 4140 Seamless Steel Pipe 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)
| Element | C | Si | Mn | P | S | Cu | Ni | Cu | Cr | Mo | O | Sn |
| Content(wt%) | 0.38 | 0.15 | 0.75 | ≤ | ≤ | ≤ | ≤ | ≤ | 0.80 | 0.15 | ≤ | ≤ |
| 0.43 | 0.35 | 1.00 | 0.025 | 0.025 | 0.25 | 0.25 | 0.30 | 1.10 | 0.25 | 0.0025 | 0.020 |
IMages of Seamless Steel Pipe
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.
- Q: How can I replace the valve on the water supply pipe?
- Steel flanges, three way pipe fittings and single disk connector is connected, immediately install three branch pipe valve, and will be closed fittings and valves at the bottom with concrete pier support, in order to timely restoration of water supply.
- Q: What is the stiffness of FRP pipe?
- Stiffness, also called ring stiffness, is a numerical indicator of actual resistance to external pressure. Ring stiffness S definition: S =EI /D 3 (where E is the elastic modulus of the material, I is the moment of inertia, D is the average diameter of the pipe ring), and the ring stiffness is KN/m2.
- Q: Glass fiber reinforced plastic sand pipe backfill 5m, how much kg pressure?
- These two parameters are based on the need and the actual geological situation to determine, not a backfill a few meters can be determined.
- Q: What are the disadvantages of glass fiber reinforced sand pipe?
- In brief, the disadvantage of FRP sand pipe is that the pipe is restrained by external environment, such as construction environment and span of support. Used in drinking water engineering, loess and sandy soil in the north are more suitable, but in ponds, marshes, mountains, then the pipeline backfill will increase the project investment. Used for overhead glass steel pipe lines, supporting the size of the gap is also the success or failure of the pipeline.
- Q: Underground garage inorganic glass fiber reinforced plastic wind pipe water out of the way?
- Condensate water leaking from the interface of the pipe flange: when the pipe carries the airflow, it condenses the water molecules in the air and is concentrated at the lower part of the pipe due to speed, compression and other reasons. When the flange facing the gap is encountered at the low point, it will leak out of the pipe.
- Q: What is the difference between glass tube, sand pipe and glass tube?
- Glass reinforced plastic sand pipe is actually in the production of glass fiber reinforced plastic pipe, in the middle to increase a layer of sand layer, the purpose is to increase the rigidity of the pipeline.
- Q: Is it possible to touch the water when the glass fiber reinforced plastic pipe is polished?
- For nearly 20 years of brand silicone mold manufacturers, steel and glass also played nearly 20 years, glass steel pipe interface after grinding with water is Never mind, can be polished with water to the point where you can proceed to the next step of the operation of the glass steel bonding with a clean cotton cloth to wipe clean.
- Q: Are there any differences between FRP pipes and FRP pipes?
- Air duct is a pipe system used for air transportation and distribution. There are two kinds of composite air duct and inorganic air duct. The duct can be classified according to the shape and material of the section. Duct made of stainless steel duct, in the bite mouth, rivet joint, flange, four corners and other cracks painted with sealant (such as neutral glass glue). Surface dust and grease shall be removed before applying sealant. According to the section shape, the wind pipe can be divided into circular duct, rectangular duct, a variety of flat air pipe, wherein the circular duct resistance minimum maximum height, making complex. Therefore, the application of rectangular wind tube based. According to the material, the air duct can be divided into metal wind pipe, composite air pipe and macromolecule air pipe.
- Q: Who knows, how is the glass reinforced septic tank connected with the municipal pipe?
- Septic tank (Hu, F, NCH) is the treatment of nightsoil and to filter precipitation equipment. The principle is that the cured material decomposes at the bottom of the tank, and the upper hydration object flows into the pipeline to prevent the pipe from clogging and has enough time to hydrolyze the solidified object (such as excrement and urine). Tank (septic) refers to the division of living sewage sludge, and anaerobic digestion of sludge structure of small structures.
- Q: What are the advantages of FRP pipes?
- The relative density is between 1.5~2.0 and only 1/4~1/5 of carbon steel, but the tensile strength is close to or even higher than that of carbon steel, while the specific strength can be compared with that of advanced alloy steel.
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Composite Pipes ASTM A519 4140 Seamless Steel Pipe Made in China
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 0 PCS
- Supply Capability:
- 0 PCS/month
OKorder Service Pledge
OKorder Financial Service
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