China high quality ASTM80 Standard G30 Metal Steel Drag Metal Link Chain

Product Description

G30 Proof Coil Link Chain US Type Nacm 2571

NOMINAL SIZE MATERIAL DIAMETER (D) WORKING LOAD LIMIT PROOF TEST(MIN) BREAKING FORCE MIN INSIDE LENGTH (A) INSIDE WIDTH (B)
MM IN MM IN KG LBS KN LBS KN LBS MM IN MM IN
4  1/8 4 0.156 180 400 3.8 800 7.2 1600 23.9 0.94 6.4 0.25
5.5   3/16 5.5 0.217 365 800 7.2 1500 14.4 3200 24.8 0.98 7.7 0.3
7  1/4 7 0.276 580 1300 11.6 2600 23.2 5200 31.5 1.24 9.8 0.38
8   5/16 8.4 0.331 860 1900 16.9 3800 33.8 7600 32.8 1.29 11.2 0.44
10  3/8 10 0.394 1200 2650 23.5 5300 47.2 10600 35 1.38 14 0.55
11.9   7/16 11.9 0.488 1680 3700 32.9 7400 65.8 14800 41.5 1.64 16.6 0.65
13  1/2 13 0.512 2030 4500 40 9000 80 18000 45.5 1.79 18.2 0.72
16  5/8 16 0.63 3130 6900 61.3 13800 122.8 27600 56 2.2 20 0.79
20  3/4 20 0.787 4800 10600 94.3 21200 188.6 42400 70 2.78 25 0.98
22  7/8 22 0.866 5810 12800 114.1 25600 228.2 51200 77 3.03 27.5 1.08
26 1 26 1.02 8140 17900 159.1 35800 318.2 71600 90.9 3.58 31.7 1.25

Features: 
1. G30 Proof Coil chain is made from low carbon steel and is a general utility chain for such uses as farm, log chain, tow chain and switch chain.
2. G30 chain has long link (made to NACM specs) and short link (made to ASTM 80 specs). Long Link chain has a longer inside length to save weight and reduce cost. Both long and short link chain have the same strength ratings. Generally short link chains are more flexible than long link chains.

Packaging

Other Popular Chain Types

U.S. Standard Chain
US Type G30 Proof Coil Chain NACM – Straight Link Machine Chain Single Loop Chain
US Type G43 High Test Chain NACM – Twist Link Machine Chain Double Loop Chain
US Type G70 Transport Chain NACM – Straight Link Coil Chain Single Jack Chain
US Type CHINAMFG Alloy Steel Lifting Chain NACM – Twist Link Coil Chain Double Jack Chain
US Type G100 Alloy Steel Lifting Chain NACM – Passing Link Chain SASH Chain
DIN Standard Chain
DIN 763 Link Chain DIN 766 Link Chain DIN 5686 Double Loop Chain
DIN 764 Link Chain DIN 5685 Short/Long Link Chain  
U.K. Type Chain
UK Type Short Link Chain UK Type Medium Link Chain UK Type Long Link Chain
Australian Standard Chain    
Australian Short Link Chain Australian Medium Link Chain Australian Long Link Chain
Australian Grade 70 Link Chain    
Korean Standard Link Chain
Short Link Chain Long Link Chain  

Matching Hooks

Our most popular products include Chains, Anchor Chains, Hooks, Shackles, Turnbuckles, Load Binders, Eye Bolts & Eye Nuts, Wire Rope, Wire Rope Clips, Wire Rope Thimble, Swivels, Snap Hook, Rings and links, Webblings, Pulley&Block, Sockets, Stainless Steel Products, etc.

Our Factory

We started as an anchor chain factory, CHINAMFG Anchor Chain Co. Ltd, about 20 years ago in HangZhou, China, and gradually developed into a big manufacturer of marine hardware supplies.  At the same time, in order to meet the growing demands from our clients in various business areas, we established our tradingbrand – Powerful Machinery, and expanded our scope to rigging hardware and fasteners, and also set up CHINAMFG partnership with other factories.    

Now we’re proud to say that CHINAMFG has ranked as the top supplier on marine & rigging hardware in the northern China!


Our Office

HangZhou CHINAMFG Co., Ltd has eastablished for about 11 years, we specializing in producing and exporting rigging hardwares, high grade chains, blocks & pulleys, steel wire rope, stainless steel and so on. Our products are all designed, manufactured and assembled under strict quality control. We have a professional QC team to do inspections. And we can offer favorable prices, good quality and one-stop sourcing service. We are all ready for every customer and to be the CHINAMFG is our mission.

All members of our company will be very honored if you contact us. We are looking CHINAMFG to cooperating with you in the near future!

Exhibitions

Powerful Machinery   FAQ

1.Are you a factory or trading company?
We started as an anchor chain factory about 20 years ago and gradually developed into a big manufacturer in marine supplies.At the same time, to meet the growing demands from our clients in new business areas, we expanded our scope to rigging hardware and fasteners, and other related hardware by setting up CHINAMFG partnership with other factories.Now we’re proud to say that POWERFUL has ranked as a top supplier on chains & rigging hardware in China.

2.Where is your factory located?
Our factory is located at #37, Wenhua Road, Xihu (West Lake) Dis., HangZhou City, ZheJiang Province, China.
You’re welcomed to visit us any time for future cooperation.

3.What products do you supply?
As mentioned above, HangZhou CHINAMFG is capable of supplying:
All kinds of marine supplies, Chains, Rigging hardwares, Fasteners and related hardwares

4.Do you produce them all?
We produce all kinds of chains in our factory, other products in our partner factories.By establishing cooperation agreements & capital injection, we obtained a wide & solid supply chain to meet your demands.

5.How do you control quality?
By setting up quality control points and inspecting at each production process with strict standards, the defective products will be eliminated before packaging and delivery.For partner factories, we use a comprehensive system of quality standards to evaluate the production line.Also our professional QC team will implement the onsite check and finish product check before delivery.

6.Why are you more trustworthy than the other factories?
Quick Response:
We feedback your questions immediately 24 hours a day, 7 days every week.
Competitive Price:
We can provide a more competitive price based on the same quality level by more efficient management in every process.
One-stop Solution:
Just say what you need, and we’ll figure out a one-stop solution for your business to save your time and effort.

7.How do I pay?
We accept 30% payment in advance & 70% before shipment for the first cooperation, either by T/T or L/C.

8.How do I receive the goods?
With our professional transport agents, we are capable of delivery products to most ports all over the world.Door-to-door service is also supported.
FOB, C&F, CIF are most commonly used trade terms.

Our Advantages

1. Quick Response:
Reply your inquiry in 24 working hours.
2. Full English Service:
Experienced staff answer all of your questions in professional and fluent English.
3. OEM & ODM:
Customized size, length and design are available.
4. Creative One-Stop Solutions:
Exclusive and unique solution can be provided to our customer by our well-trained and professional engineers. 

 

We Listen, We Learn & We Love our Costumers!

Best Service, Best Quality & Best Price will be offered!
 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Usage: Transmission Chain, Drag Chain, Conveyor Chain, Dedicated Special Chain, Decoration, Protection, Lifting, Draging, etc.
Material: Carbon Steel
Surface Treatment: HDG, Zinc Plated, Black, Golden Yellow, Self Color
Samples:
US$ 30/Meter
1 Meter(Min.Order)

|

Order Sample

Customization:
Available

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Customized Request

pintle

How do drag chains contribute to cable longevity and reduced downtime?

Drag chains play a significant role in enhancing cable longevity and reducing downtime in various industrial applications. Here’s how they contribute to these benefits:

  • Cable Protection: Drag chains encase and protect cables and hoses, shielding them from external elements such as debris, dust, and liquids. This protection prevents the cables from getting damaged or worn out prematurely, ensuring their longevity.
  • Preventing Tangling and Twisting: By guiding cables in a specific path, drag chains eliminate the risk of tangling and twisting during motion. Twisted or tangled cables can lead to damage and signal interference, which may result in downtime for troubleshooting and repairs.
  • Reducing Friction: Drag chains provide a smooth pathway for cables to move within, reducing friction and abrasion that can occur when cables rub against each other or other components. Reduced friction extends the lifespan of cables and minimizes the need for frequent replacements.
  • Eliminating Cable Stress: When cables are left loose or unorganized, they can be subjected to unnecessary stress during motion, which can lead to fatigue and eventual failure. Drag chains keep the cables securely in place, preventing stress-related damage.
  • Preventing Cable Pinching: In some applications, cables can get pinched or crushed between moving parts. Drag chains create a dedicated channel for cables, preventing them from being pinched and preserving their integrity.
  • Efficient Cable Management: Drag chains neatly organize and manage cables, reducing the chances of accidental damage or snagging during operation or maintenance activities. This efficient cable management contributes to reduced downtime and faster troubleshooting.
  • Enhancing Cable Inspection: With cables enclosed in drag chains, it becomes easier to inspect and maintain them regularly. Regular inspections allow for early detection of potential issues, preventing unexpected downtime due to cable failures.

Overall, drag chains offer a comprehensive cable protection and management solution, which leads to extended cable longevity and minimized downtime in industrial settings.

pintle

What are the limitations of using drag chains in certain applications?

While drag chains offer numerous advantages in cable management and protection, they also have certain limitations that need to be considered when selecting and using them in specific applications. Here are some limitations:

1. Limited Flexibility:

Drag chains are designed to move in a linear or slightly curved path. They may not be suitable for applications that require high flexibility or intricate routing of cables in multiple directions.

2. Size and Space Constraints:

For applications with limited space, finding the right-sized drag chain that can accommodate all the necessary cables and hoses without causing overcrowding can be a challenge.

3. Weight Restrictions:

Heavy-duty drag chains can handle significant loads, but there are weight limits for each type and size of chain. Exceeding these limits can lead to premature wear and reduced performance.

4. Noise and Vibration:

In high-speed or dynamic applications, the movement of drag chains can generate noise and vibration, which might affect the overall system performance or require additional noise-damping measures.

5. Maintenance:

While drag chains reduce cable wear and maintenance needs, they still require regular inspection and maintenance to ensure they function optimally. Neglecting maintenance can lead to unexpected failures.

6. Temperature Limits:

Some drag chains have temperature limitations. High-temperature environments can cause drag chains to degrade or lose their structural integrity, impacting their performance and lifespan.

7. Chemical Resistance:

Exposure to certain chemicals can deteriorate the material of the drag chain. Selecting the appropriate material with chemical resistance is crucial in chemical or corrosive environments.

8. Environmental Exposure:

In outdoor applications, drag chains are exposed to weather conditions such as rain, snow, and UV radiation, which can affect their durability over time.

9. Cost:

Drag chains can be more expensive compared to other cable management solutions. The initial investment should be weighed against the benefits they provide.

10. Compatibility:

Ensuring compatibility between the drag chain, cables, and hoses is essential to prevent friction, abrasion, or damage to the cables.

Despite these limitations, drag chains remain highly versatile and widely used in various industrial applications for cable management and protection.

pintle

What industries commonly utilize drag chains for cable management?

Drag chains are widely used in various industries for effective cable and hose management. Some of the common industries that utilize drag chains include:

1. Automation and Robotics:

In automation and robotic systems, drag chains play a vital role in guiding and protecting cables that power and control the machinery’s movements. They ensure smooth cable management and prevent tangling or snagging, contributing to the reliable operation of automated processes.

2. Machine Tools:

In machine tool applications, drag chains manage the cables and hoses that supply power and coolant to various components. They keep the cables organized and prevent damage from debris or moving machine parts, ensuring the machine’s efficiency and longevity.

3. Material Handling:

In material handling equipment such as conveyors, cranes, and forklifts, drag chains are used to manage power and control cables, as well as hydraulic hoses. They protect the cables from external elements, such as dust and debris, and contribute to safe and efficient material handling operations.

4. Packaging and Printing:

In packaging and printing industries, drag chains are employed to manage cables and hoses that control the packaging machinery and printing equipment. They prevent cable damage during repeated movements and ensure continuous and reliable production.

5. Automotive Manufacturing:

In automotive assembly lines, drag chains are used to manage cables that power robotic arms, conveyors, and other automated equipment. They provide a safe and organized cable management solution, contributing to efficient and precise manufacturing processes.

6. Energy and Utilities:

In power generation plants and utilities, drag chains manage cables for transmitting electricity, control signals, and data. They protect the cables from harsh environments and mechanical stress, ensuring reliable power distribution and control.

7. Aerospace and Aviation:

In the aerospace industry, drag chains are utilized in aircraft manufacturing and maintenance to manage cables and hoses for various systems, including hydraulics and electrical controls. They help maintain the integrity and functionality of critical aircraft components.

8. Mining and Construction:

In mining and construction equipment, drag chains are used to manage cables that power heavy machinery and control various functions. They offer protection from harsh environments and ensure uninterrupted operations.

9. Food and Beverage:

In food processing and beverage industries, drag chains are used to manage cables and hoses in conveyor systems and automated machinery. They meet strict hygiene standards and ensure smooth production processes.

10. Marine and Offshore:

In marine and offshore applications, drag chains manage cables and hoses on ships and offshore platforms, providing protection in demanding environments and marine conditions.

These industries are just a few examples of where drag chains are commonly used for efficient cable and hose management. Drag chains offer a reliable solution for protecting and organizing cables, ensuring safe and smooth operations in various industrial applications.

China high quality ASTM80 Standard G30 Metal Steel Drag Metal Link Chain  China high quality ASTM80 Standard G30 Metal Steel Drag Metal Link Chain
editor by CX 2023-09-21