Merchandise Description
Long term Steel Manufacturing Co.,Ltd (PMC) is your top quality provider and processor of specialty seamless metal pipe, large temperature carbon metal grades, low temperature supplies – in multiple merchandise types, such as metal plate, bar, tubular and structural kinds. In the previous, we have been assiduously surpassing our goals stage by stage in the carbon metal industry. Over the many years, perseverance and ardor in our operate aided us to carve out a path of good results for us and our venerated clientele.With state-of-the-artwork production processes, contemporary technologies,and proficient companies, we take into account: providing finest good quality-best in class items-at the most useful costs, as our forte.
Dimensions:
Out Diameter: 1.315″- 20″
Wall Thickness: .133″-.five hundred”
Duration:R1(group1),R2(group2),R3(group3)
Supplies & Grades:
Casing: J55, K55, N80, L80, P110
Software:
oil nicely extracting
borehole
borewell
Varieties:
Seamless Casing
ERW Casing
Connections:
P(Simple Conclude)
STC (brief threads)
LTC (long threads)
BTC (buttress threads)
High quality gasoline-limited connectors
Non-upset finishes (NUE)
External upset finishes (EUE)
Quality gas-restricted connectors
Other folks particular connectors
Chemical compositions of casing pipe
| Common | Grade | Chemical compositions(%) | |||||||||
| API SPEC 5CT | J55 | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V |
| K55 | .34~.39 | .20~.35 | one.twenty five~1.50 | ≤0.571 | ≤0.015 | ≤0.fifteen | ≤0.twenty | ≤0.twenty | / | / | |
| N80 | .34~.38 | .20~.35 | 1.forty five~1.70 | ≤0.571 | ≤0.015 | ≤0.fifteen | / | / | / | .11~.sixteen | |
| L80 | .15~.22 | ≤1.00 | .25~1.00 | ≤0.571 | ≤0.571 | twelve.~fourteen. | ≤0.twenty | ≤0.twenty | / | / | |
| P110 | .26~.395 | .17~.37 | .forty~.70 | ≤0.571 | ≤0.571 | .80~1.ten | ≤0.20 | ≤0.twenty | .fifteen~.twenty five | ≤0.08 | |
Mechanical properties of casing pipe
| Quality | Kind |
Total elongation underneath load (%) |
Generate strength (min)Mpa |
Produce strength (max)Mpa |
Tensile strength min Mpa |
Hardness Max (HRC) |
Hardness Max (HBW) |
| J55 | – | .five | 379 | 552 | 517 | – | – |
| K55 | – | .five | 379 | 552 | 655 | – | – |
| N80 | 1 | .5 | 552 | 758 | 689 | – | – |
| N80 | Q | .five | 552 | 758 | 689 | – | – |
| L80 | 1 | .five | 552 | 655 | 655 | 23 | 241 |
| L80 | 9Cr | .5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 13Cr | .5 | 552 | 655 | 655 | 23 | 241 |
| C90 | – | .5 | 621 | 724 | 689 | 25.four | 255 |
| C95 | – | .5 | 655 | 758 | 724 | – | – |
| T95 | – | .five | 655 | 758 | 724 | twenty five.four | 255 |
| P110 | – | .6 | 758 | 965 | 862 | – | – |
| Q125 | All | .65 | 862 | 1034 | 931 | – | – |
Casing Pipe Production Process:
Metal ingot heating → hydraulic punching → reheating → extension → periodic rolling → reheating → sizing → cooling → straightening → pipe slicing → inspection
1. An annular heating CZPT is needed for ingot heating
two. Punching and reheating with hydraulic press
3. The oil casing plant employs a two-roller CZPT plate extension machine for extension
4. Re-use a disc heating CZPT for periodic rolling, and use a non-entry CZPT for reheating, cooling, straightening, pipe reducing, and inspection.
Coloration Codes for API 5CT Casing and Tubing:
PMC has always inculcated and followed CZPT quality expectations for all of its producing procedures. All the components utilised by PMC are of top quality high quality and appropriate with most current machineries and producing systems. The specialized and industrial good quality tips of PMC are set to high standards. A top quality manage group supervises good quality assurance and manage elements alongside with the entire process method by recognizing and associating with the quality circle. The quality handle exams are conducted routinely in purchase to preserve a steady and uniform item quality.
Checks of Oil Casing & Tubing
Chemical Part Examination
Mechanical Houses – Elongation, Generate Energy, Greatest Tensile Energy
Specialized Houses – DWT Test, Impact Take a look at, Blow Examination, Flattening Test
X-ray Examination
Exterior Size Inspection
Hydrostatic Take a look at
سوالات متداول
Q1. What are your company’s main goods ?
A2: Our main items are carbon steel seamless pipe, pipe fittings(flange,elbow, tee, reducer,nipple and so forth.), and sheets, pipes, coils, strips, bars and channels.
Q2. What are the benefits of your company ?
A2: Supplying greatest good quality-very best in class goods-at the most useful costs, as our forte.
Q3. How do you handle good quality ?
A3: A good quality manage crew supervises good quality assurance and management elements together with the complete procedure technique by recognizing and associating with the high quality circle. The top quality handle tests are performed often in order to preserve a steady and uniform merchandise good quality.
This autumn. How many coutries you currently exported ?
A4: Exported to a lot more than 50 countries mostly from Center East, Russia, United States, Canada, Italy, Germany, Australia, Egypt, Japan, Indonesia, Bangladesh, Turkey, India, and so forth.
Q5. Can you provide sample ? Do you assistance OEM ?
A5: Of course. Small samples in keep can be supplied for free. Tailored samples will consider about 2-3days.
Q6: What is your payment phrases ?
A6: By T/T(thirty% deposit in advance, stability 70% ahead of shipment),, L/C right after sight thirty~one hundred twenty days. Western Union, Paypal, or Trade On the internet.
|
US $46 / kg | |
1 kg (Min. Order) |
###
| After-sales Service: | 24 Hours Online Service |
|---|---|
| Warranty: | 24 Months |
| Type: | Seamless |
| Technique: | Hot Rolled |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
###
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Standard | Grade | Chemical compositions(%) | |||||||||
| API SPEC 5CT | J55 | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V |
| K55 | 0.34~0.39 | 0.20~0.35 | 1.25~1.50 | ≤0.020 | ≤0.015 | ≤0.15 | ≤0.20 | ≤0.20 | / | / | |
| N80 | 0.34~0.38 | 0.20~0.35 | 1.45~1.70 | ≤0.020 | ≤0.015 | ≤0.15 | / | / | / | 0.11~0.16 | |
| L80 | 0.15~0.22 | ≤1.00 | 0.25~1.00 | ≤0.020 | ≤0.010 | 12.0~14.0 | ≤0.20 | ≤0.20 | / | / | |
| P110 | 0.26~0.395 | 0.17~0.37 | 0.40~0.70 | ≤0.020 | ≤0.010 | 0.80~1.10 | ≤0.20 | ≤0.20 | 0.15~0.25 | ≤0.08 | |
###
| Grade | Type |
Total elongation under load (%) |
Yield strength (min)Mpa |
Yield strength (max)Mpa |
Tensile strength min Mpa |
Hardness Max (HRC) |
Hardness Max (HBW) |
| J55 | – | 0.5 | 379 | 552 | 517 | – | – |
| K55 | – | 0.5 | 379 | 552 | 655 | – | – |
| N80 | 1 | 0.5 | 552 | 758 | 689 | – | – |
| N80 | Q | 0.5 | 552 | 758 | 689 | – | – |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| C90 | – | 0.5 | 621 | 724 | 689 | 25.4 | 255 |
| C95 | – | 0.5 | 655 | 758 | 724 | – | – |
| T95 | – | 0.5 | 655 | 758 | 724 | 25.4 | 255 |
| P110 | – | 0.6 | 758 | 965 | 862 | – | – |
| Q125 | All | 0.65 | 862 | 1034 | 931 | – | – |
|
US $46 / kg | |
1 kg (Min. Order) |
###
| After-sales Service: | 24 Hours Online Service |
|---|---|
| Warranty: | 24 Months |
| Type: | Seamless |
| Technique: | Hot Rolled |
| Material: | Carbon Steel |
| Surface Treatment: | Black |
###
| Samples: |
US$ 1/Piece
1 Piece(Min.Order) |
|---|
###
| Customization: |
Available
|
|---|
###
| Standard | Grade | Chemical compositions(%) | |||||||||
| API SPEC 5CT | J55 | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | V |
| K55 | 0.34~0.39 | 0.20~0.35 | 1.25~1.50 | ≤0.020 | ≤0.015 | ≤0.15 | ≤0.20 | ≤0.20 | / | / | |
| N80 | 0.34~0.38 | 0.20~0.35 | 1.45~1.70 | ≤0.020 | ≤0.015 | ≤0.15 | / | / | / | 0.11~0.16 | |
| L80 | 0.15~0.22 | ≤1.00 | 0.25~1.00 | ≤0.020 | ≤0.010 | 12.0~14.0 | ≤0.20 | ≤0.20 | / | / | |
| P110 | 0.26~0.395 | 0.17~0.37 | 0.40~0.70 | ≤0.020 | ≤0.010 | 0.80~1.10 | ≤0.20 | ≤0.20 | 0.15~0.25 | ≤0.08 | |
###
| Grade | Type |
Total elongation under load (%) |
Yield strength (min)Mpa |
Yield strength (max)Mpa |
Tensile strength min Mpa |
Hardness Max (HRC) |
Hardness Max (HBW) |
| J55 | – | 0.5 | 379 | 552 | 517 | – | – |
| K55 | – | 0.5 | 379 | 552 | 655 | – | – |
| N80 | 1 | 0.5 | 552 | 758 | 689 | – | – |
| N80 | Q | 0.5 | 552 | 758 | 689 | – | – |
| L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 9Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| L80 | 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 |
| C90 | – | 0.5 | 621 | 724 | 689 | 25.4 | 255 |
| C95 | – | 0.5 | 655 | 758 | 724 | – | – |
| T95 | – | 0.5 | 655 | 758 | 724 | 25.4 | 255 |
| P110 | – | 0.6 | 758 | 965 | 862 | – | – |
| Q125 | All | 0.65 | 862 | 1034 | 931 | – | – |
What Is a Coupling?
A coupling is a device that connects two shafts together. It transmits power from one to the other and is used to join rotating equipment. It can also allow for some degree of misalignment and end movement. It is used in mechanical engineering and manufacturing. To learn more about couplings, read this article.
Mechanical connection between two objectsThe present invention relates to a method and assembly for forming a mechanical connection between two objects. The methods of this invention are suitable for connecting both solid and hollow objects. For example, the method can be used to make mechanical connections between two cylinders. This method is particularly useful for connecting two cylinders that are positioned near each other.
Absorbs vibration
A coupling insert is a part of a vehicle’s drivetrain that absorbs vibrations. These inserts are designed to prevent couplings from moving out of phase. However, the coupling inserts themselves can wear out and need to be replaced. Universal joints are an alternative if the coupling is out of phase by more than one degree. In addition, internal bearings in the coupling need to be lubricated and replaced when they begin to show signs of wear.
Another embodiment of the invention includes a flexible coupling 25 that includes rearwardly-extending lugs that extend toward the coupling member 23. These lugs interdigitate with corresponding lugs on the coupling member 23. They are spaced circumferentially. A first elastic member 28 is interposed between lugs 26 and 27, and is adapted to yield in a counterclockwise direction. As a result, it absorbs torsional vibrations.
Blocks heat transfer
Thermal coupling occurs when a solid block is thermally coupled to the air or fluid passing through it. The amount of heat transferred through a solid block depends on the heat transfer coefficients of the materials. This paper presents a numerical model to understand how heat transfers through different block materials. This work also describes the thermal resistance network for a one-dimensional block.
In some cases, thermal coupling increases the heat transfer mechanism. As illustrated in FIG. 1D, a heatpipe coupler 112 couples two heatpipes 110-1 and 110-2. This configuration allows the pipes to be coupled to the heat source and to the condenser. In addition, the heat pipe couplers may have bellows at the ends to help facilitate linear motion.
Thermal coupling is achieved by ensuring that at least one block is made of a material with a lower thermal expansion coefficient than the annulus. Ideally, the block’s mean thermal expansion coefficient is at least twenty percent lower than the annulus’s mean thermal expansion coefficient. This ensures that the thermal coupling between the two parts is as efficient as possible.
Another type of thermal coupling is achieved by using flexible elements. These are often washers or springs. These components allow the blocks to maintain physical contact with the post 55, which means that the heat transfer is more efficient even at higher temperatures. The flexibility of these elements also makes it possible to choose an element that will not impede assembly.
Protects rotating equipment
A reliable, long-lasting coupling system can reduce the risk of damage to rotating equipment. Designed to protect against torque overload and wear, Voith torque-limiting couplings provide outstanding safety and reliability. As a result, they can deliver maximum performance and minimize equipment downtime. In addition to their long-term benefits, these solutions are ideal for applications where safety and reliability are of paramount importance.
A good coupling provides many advantages, including the ability to transmit power, compensate for axial movement, and absorb shock. It is essential to choose the proper coupling for your application based on the basic conditions of your rotating equipment. For example, if you have two shafts with parallel rotation axes, you should choose a parallel coupling. Otherwise, you should use an angular coupling.
Torque-limiting couplings can also provide protection for rotating equipment by disengaging at a specific torque level. This protects the drive shaft from undergoing catastrophic failure. Torque limiters are particularly helpful for high-value equipment. By preventing catastrophic failure, you can avoid expensive repairs and minimize equipment downtime.
Coupling guards are easy to install and provide effective protection for rotating equipment. These covers are made of sheet metal bent to fit over the shaft. They are durable and easy to remove when necessary. This type of guard can prevent employees from catching their hands, tools, or loose clothing on motor coupling components.
editor by czh 2022-12-19
