China Best Sales Complete Types and Production Processes H-Q ASTM A210 ASTM A53 ASTM A312 ASTM A210 for Medium-Carbon and Alloy Steel Boiler and Super Heater Tubes shaft collar ace hardware

Product Description

Product Description

Zhengde API pipeline steel pipe is a pipeline pipe belonging to the American Petroleum Standard. The pipeline pipe is used to transport the oil, steam, and water pumped out of the ground to the oil and gas industry enterprises through the pipeline pipe. Line pipes include seamless pipes and welded steel pipes, and the pipe ends have flat ends, threaded ends and socket ends; the connection methods are end welding, collar connection, socket connection, etc.
The production of high-grade line pipes adopts micro-alloying heat treatment process. The production cost of stainless steel seamless pipes is obviously higher than that of welded pipes, and with the improvement of steel grades, such as X80 and above steel grade line pipes, there is no carbon equivalent limit. The conventional process of seam steel pipe is difficult to meet the requirements of users; all 12Cr1moV alloy pipe manufacturers are carrying out scientific research work to improve the corrosion resistance of their line pipes and stabilize the performance in low temperature and high temperature environments.

Seamless steel pipe with hollow section, a large number of used for conveying fluid pipeline, such as conveying oil, natural gas, gas, water and some CZPT material pipeline.  Compared to the steel pipe and round steel CZPT steel bending torsional strength phase at thesame time, the weight is lighter, is a kind of economic cross section steel, widely used in the manufacture of structural and mechanical parts, such as petroleum drill pipe, auto transmission shaft, bicycle frame and construction of steel scaffolding is used with steel pipe manufacturing annular parts, such as can improve material utilization, simplifying the manufacturing process, material saving and processing time,  Has been widely used in steel pipe manufacturing .

ZheJiang Zhengde Metal Manufacturing Co., Ltd. is a professional steel production enterprise with more than 10 years of experience integrating R&D, production and sales. In line with the development concept of “quality conquers the world, service makes the future”. We are committed to strict quality control and thoughtful customer service, and our experienced staff will discuss your needs with you at any We have offices in HangZhou, ZheJiang , HangZhou, ZheJiang , HangZhou, ZheJiang ,and HangZhou, ZheJiang to failitate customer reception and visits. Our company’s main products are galvanized steel sheets, galvanized steel coils, PPGI/PPGL, roof panels, cold-rolled steel coils, aluminum coils, stainless steel coils, carbon steel coils and other steel plates and round steel pipes. On the basis of complete and diversified product supply, high quality,reasonable price and good service, it satisfies customers’ one-stop purchases. Have extensive and friendly cooperation with domestic and foreign companies. ZheJiang Zhengde Metal Products Co., Ltd. has specialized in the production and sales of various steel products for 20 years. The testing equipment is complete, the technical force is strong, the product variety is complete, the quality is high-quality Our main markets are located in North America, South America, Africa, Southeast Asia, Europe and Oceania. We strictly check the quality, and we treat every customer and friend of ours in line with the principles of “integrity”, “high quality”, “win-win” and “long-term cooperation”

steel grade color sign Yield Strength Highest Lowest Rc Elongation API
Psi MPa MPa MPa (max) % scope of application
H-40 Black 40 276 552 414     5A
J-55 Green 55 379 552 517   22.5 5A
K-55 Green 55 379 552 665   18 5A
N-80 Red 80 552 758 689   17 5A
C-75 Blue 75 517 620 665   18 5AC
L-80 Brown/Red 80 552 665 665 23 18 5AC
C-90 Purple 90 620 725 690 25.4   (5AC)
C-95 Brown 95 665 760 720 25.4 16.5 (5AC)
P-110 White 110 758 965 865     A5X
Q-125 White 125 861 1040 930   18 (5AQ)

Our Advantages

API is the English abbreviation of American Petroleum Institute. The grade indicates: the first 2 digits of the minimum value of the American unit yield strength. Take X80 as an example: X80 is the minimum yield strength of pipeline steel pipe 80000psi (552MPa) CZPT English full name is Pounds per square inch. P is pound, S is square, and I is inch. It can be calculated by changing all the units into metric units: 1psi=6.895kPa=0.06895bar European countries and other countries are accustomed to using CZPT as the unit 1bar=0.1MPaM–thermomechanical controlled rolling (TMCP controlled rolling and controlled cooling) N–normalizing Q–Quenching and tempering (quenching + high temperature tempering) X42NB/X60QS/X65MS/X65MO.

Performance requirements
API pipe requirements (uniformity and stability of performance, dimensional accuracy, plate shape hardening, Bauschinger effect) to withstand large static and dynamic loads, to withstand the impact of oil flow erosion and corrosion, ambient temperature, and geological conditions on steel properties. Installation Welding quality. High plasticity and toughness, low ductile-brittle transition temperature, good welding performance, excellent resistance to hydrogen-induced cracking and sulfide stress corrosion cracking.

Attention to detail
There shall be no cracks, scars, folds, air bubbles, inclusions and delaminations on the surface that are harmful to use. The surface of the steel strip is allowed to have pits, concaves, scratches and other local defects whose depth or height does not exceed half of the thickness tolerance. And the minimum thickness allowed by the steel strip should be guaranteed. The depth of edge cracks and other defects in the width direction shall not exceed half of the allowable width deviation and the minimum width of the steel strip shall be guaranteed. The surface of pipeline steel shall not have defects such as scratches and scratches that may cause cracks in ultrasonic testing.

Applicable scene
Execution standards of seamless steel pipes for oil and gas pipelines: API 5L: GR.B (L245), X42 (L290), X46 (L320), X52 (L360), X56 (L390), X60 (L415), X65 (L450), X70(L485). Main application: used to make oil and natural gas pipelines. API 5L generally refers to the pipeline steel plate – API 5L pipeline steel plate, the pipeline steel plate is processed into a large-diameter pipeline steel pipe to transport the oil, steam and water extracted from the ground to the oil and gas industry enterprises through the pipeline pipe. The application range of API 5L pipeline steel is gradually expanding, especially the advantages of API 5L large-diameter pipeline steel are more obvious, coupled with the cost factor, API 5L seamless steel pipe has occupied a dominant position in the field of pipeline steel.

Quality first: production and inspection in strict accordance with production standards;

Provide on-site video or SGS inspection before loading,in order to ensure the quality and quantity of products and make customers rest assured.This is also the tradition and characteristic of our factory;

Price advantage: our price is absolutely competitive, because we produce and sell ourselves, saving a lot of unnecessary costs. We also have the power to do that;
Transaction security:a

 variety of payment options are available;

After-sales guarantee: the customer’s problem is our problem,our goal is win-win, customers receive satisfactory products and we get an excellent returned customers;After receiving the product satisfaction, submit the praise, the next cooperation to give 1-3% additional discount extra;
Long-term cooperation: quality assurance, price advantage, sincere service can last for a long time.

Detailed Photos

Packaging & Shipping

Company Profile

ZheJiang Zhengde Metal Manufacturing Co., Ltd. is a production and sales company integrating hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, section steel, steel pipes, steel wires, metal mesh, stainless steel, aluminum, copper and other metal products integrated large enterprises. Five production and sales bases have been formed in HangZhou, HangZhou, HangZhou, ZheJiang , HangZhou and HangZhou, with more than 100 production lines, 4 nationally recognized laboratories, 2 technical engineering centers, and 5 enterprise technology centers. Products are exported to more than 50 countries and regions such as North America, South America, Europe, Africa, Oceania, Middle East, and Southeast Asia.


Q1:Can you send samples?
A:Of course, we can provide customers with free samples and express shipping service to all over of the world.
Q2:What product information do I need to provide?
A:Please kindly provide the grade,length, width, thickness, surface treatment requirement should you have and quantities you need to purchase.
Q3:It’s my first time to import steel products, can you help me with it?
A:Sure,we have agent to arrange the shipment, we will do it together with you.
Q4:What ports of shipment are there?
A:Under normal circumstances, we ship from ZheJiang , ZheJiang , HangZhou, HangZhou ports, you can specify other ports according to your needs.
Q5:What about product prices information?
A:Prices various according to periodic price changes of raw materials.
Q6:What is your terms of payment ?
A:Payment=1000USD, 30% T/T in advance ,balance before shipment or based on BL copy or LC at sight.
Q7:Do you provide custom made Products service?
A: Yes,if you have your own design , we can produce according to your specification and drawing.
Q8:What are the certifications for your products?
A:We have ISO 9001, MTC, third parties’ inspections are all available such SGS, BV ect.
Q9:How long does your delivery time take?
A:In general, our delivery time is within 7-15 days, and may be longer if the quantity is extremely large or special circumstances occur.
Q10: How many countries you already exported to?
A:We have exported to America, Canada, Brazil, Chile, Colombia, Russia, Ukraine, Thailand, Myanmar, Vietnam, India, Kenya, Ghana,somalia and other African countries.Our export experience is rich, we familiar with different market demands, can help customers avoid a lot of trouble.
Q11:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q12:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed and customers will be well evaluated.


After-sales Service: API Pipeline Steel Pipe Endless Service
Warranty: 5 Years
Type: Seamless
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Black
US$ 0/Meter
1 Meter(Min.Order)

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Shaft Collar

Different Types of Shaft Collars and How to Choose the Right One For Your Needs

A shaft collar is a simple machine component, but its role is crucial in a variety of power transmission applications. It is most commonly found in gearboxes and motors. Its simple design makes it a relatively easy component to install. In addition to being useful for bearing faces, shaft collars are also used as mechanical stops.

Single split shaft collars

Single split shaft collars are a common design choice for industrial applications. They provide easy installation and disassembly, reducing downtime and labor. Unlike traditional collars, they use full seating torque of set screws, resulting in even distribution of forces along the shaft circumference. In addition, they provide stronger holding power.
Single split shaft collars are available in a variety of sizes and materials. They are typically made of stainless steel, alloyed steel, or nylon. They are available with a black oxide finish or a smooth finish. In addition, they can be manufactured to custom sizes. The benefits of shaft collars manufactured by Power Rite are the high quality of their materials and the close tolerances of their manufacturing process.
Single split shaft collars are available in D-bore or hex bore configurations. They are designed to fit shafts with diameters from 1/4″ to 6″. Some of these types also have a proprietary black oxide finish. Single split shaft collars can be manufactured with a range of materials, including 303 stainless steel and 1215 lead-free steel. They can also be made with engineered plastic.
Single split shaft collars are an excellent choice for applications where accurate positioning is essential. These collars can be easily installed and removed without removing any of the shaft components. They feature double grub screws to help tighten the clamp around the shaft. This feature makes installation and removal easier and reduces downtime.
Single split shaft collars are also available in a lightweight style for applications where space is an issue. While these collars are ideal for light-duty applications, they are not ideal for heavy-duty environments. Single split shaft collars are generally made of a softer material, such as steel. They have high torque capacities and hold securely around a shaft. However, their high holding power and low friction means they can damage a shaft or cause indentations that make repositioning the shaft difficult.
Clamp-style shaft collars are another option for tougher installations. This type offers more clamping power than a one-piece shaft collar. They come in either a one-piece or two-piece design, and can be installed by hand.
Shaft Collar

Set screw collars

Set screw collars are used to secure shafts. They are available in a variety of sizes and materials. Available options include hex socket, cup point, and 3A thread screws. They are suitable for a variety of industries, including food, wood, and chemical. A distributor of set screw collars can custom-design them to meet the specifications of a given application.
There are many different types of shaft collars, which include socket set screw collars, 2-hole set screw collars, and metric and stainless steel collars. In addition to these, you can also find corrosion-resistant set screw collars with a black oxide finish. These collars are ideal for industrial and commercial applications and are RoHS compliant.
Set screw collars are the most cost-effective option for shaft collars. They also offer lightweight options for applications where space is at a premium. Additionally, they can be equipped with a second screw positioned at 90 degrees to provide additional load capacity. They also come with a keyway to accommodate keyed shafts. These collars provide a reliable solution for securing shafts in a variety of applications.
Compared to set screw collars, clamp-style collars are easier to install and have greater holding power. They are available in one and two-piece versions. Clamp style collars are designed to lock onto a shaft while not damaging it. In addition, they are easily removed and reinstalled. They can be used in a variety of settings, including in guiding systems and bombsights.
Set screw shaft collars are an excellent choice for applications where precision is important. They prevent shafts from moving and hold power transmission components in place. The set screw collar is set in place with a grub screw or set screw. The screw driver can adjust the set screw to achieve the desired position.

Quick-clamp shaft collars

Quick-clamp shaft collars are a simple yet effective way to secure shafts. These collars have an eccentric lever that generates a locking force on the shaft. They are easy to install and remove and are manufactured with an aluminum design. In addition, these collars have a low mass inertia value. They are available in both one-piece and two-piece styles. Both styles have outer diameter flats for mounting other components.
The Quick-clamp shaft collars are resilient and feature a flush handle. They are easy to install and adjust, eliminating the need for tools and reducing production downtime. Another feature of these collars is that they have a high-strength tension adjustment screw that ensures compatibility with a wider range of shaft tolerances. These collars also have an axial holding power adjustment screw.
CZPT manufactures two types of quick-clamp shaft collars. One type has a cam lever that sits flush with the outside diameter and is finger-actuated. The other type is a clamp-style collar with a tension-adjustment screw. This design is better suited to low-rpm applications, or for frequent changeovers.
Shaft Collar

Choosing the right shaft collar for your application

Shaft collars play a key role in many industrial applications, and choosing the correct one is critical. They need to be designed properly and have the appropriate performance characteristics to ensure safe and effective operation. In this article, we will look at the different types of shaft collars and how to choose the right one for your needs. Typically, shaft collars are made from steel or aluminum, coated with zinc or another corrosion resistant material. But they can also be made from non-metallic materials.
Shaft collars come in a variety of shapes and materials, and the right one for your application will depend on these features. The key factors to consider are the material, holding power, and surface treatment, and their alignment with your application specifications. The shaft collars that fit your application best are often highly customizable, so it is important to determine the exact specifications for your application.
Shaft collars are simple and versatile components that are used to secure bearings on a shaft. They also serve as mechanical stops and can help to align and space other components. Shaft collars are widely used in gearbox assemblies, flagpoles, medical instruments, and other applications. They are available in a wide variety of styles, and can be used for nearly any application.
The type of shaft collar you choose will depend on the application and the type of machine. A heavier duty shaft collar will provide better vibration and shock resistance. These collars are typically designed for off-road or mining applications, and can be made of heavy-duty steel. They also provide more holding power, as double-wide shaft collars can provide an additional 25% of holding power.
When choosing a shaft collar, it’s important to consider the application and the required level of maintenance. Some assemblies will only need minor adjustments, while others require frequent disassembly. A two-piece shaft collar is a better option for assemblies that will have to be removed often.
China Best Sales Complete Types and Production Processes H-Q ASTM A210 ASTM A53 ASTM A312 ASTM A210 for Medium-Carbon and Alloy Steel Boiler and Super Heater Tubes   shaft collar ace hardwareChina Best Sales Complete Types and Production Processes H-Q ASTM A210 ASTM A53 ASTM A312 ASTM A210 for Medium-Carbon and Alloy Steel Boiler and Super Heater Tubes   shaft collar ace hardware
editor by CX 2023-11-07