China factory 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!
 

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)

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Order Sample

Customization:
Available

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Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

pintle

Can drag chains be used in the electronics and semiconductor industries?

Yes, drag chains can be used in the electronics and semiconductor industries for cable management and protection. These industries often have complex machinery and equipment that require the precise and reliable routing of cables, wires, and hoses to ensure the smooth operation of manufacturing processes. Drag chains offer several advantages in these environments:

  • Cable Protection: Drag chains enclose and protect cables, wires, and hoses from exposure to potential hazards like sharp edges, moving machine parts, or chemicals. This helps prevent damage to the cables and ensures a longer lifespan for sensitive electronic components.
  • Cable Organization: Drag chains keep cables neatly organized and prevent tangling, reducing the risk of interference or malfunctions in the equipment.
  • Space Optimization: In electronics and semiconductor manufacturing, space is often limited, and the layout of cables and hoses needs to be efficient. Drag chains help optimize the use of available space and maintain a tidy and clutter-free environment.
  • Continuous Flexibility: Many electronics and semiconductor machines require continuous movement and flexibility in cable management. Drag chains are designed to withstand frequent bending, twisting, and repetitive motion without compromising the integrity of the cables.
  • Cleanroom Compatibility: In cleanroom environments where dust and debris must be kept to a minimum, drag chains with sealed designs can prevent the ingress of contaminants and maintain the cleanliness of the area.

When using drag chains in the electronics and semiconductor industries, it’s essential to select the appropriate type of drag chain based on factors such as cable size, required movement range, and environmental conditions. Regular maintenance and inspection are also crucial to ensure the drag chains continue to function optimally and meet the strict demands of these precision-driven industries.

pintle

Can drag chains be used in food processing or packaging industries?

Yes, drag chains can be used in food processing and packaging industries, provided they are made from food-grade materials and meet the necessary sanitary requirements. These industries often require efficient cable management solutions that can handle various cables and hoses while maintaining a hygienic environment. Here’s how drag chains are beneficial in these applications:

Hygienic Design:

Drag chains used in food processing and packaging industries are designed with materials that meet strict hygiene standards. They are made from food-grade plastics that are resistant to bacteria growth and easy to clean, ensuring that they do not contaminate the food products or packaging materials.

Cable Protection:

Drag chains protect electrical cables, pneumatic hoses, and other vital components from exposure to food particles, dust, and other contaminants. This helps in extending the life of the cables and reduces the risk of cable damage or failure, which could lead to costly downtime.

Smooth Cable Movement:

The smooth interior surface of drag chains allows for easy movement of cables and hoses, reducing friction and preventing wear and tear. This smooth movement is essential in preventing damage to cables and ensuring the reliable operation of equipment in the food processing and packaging processes.

Space Optimization:

Drag chains can be customized to fit into tight spaces and accommodate various cable sizes and types. This space-saving design is crucial in food processing and packaging facilities where floor space is often limited, and efficient use of space is necessary for optimal production flow.

Resistance to Cleaning Agents:

Drag chains used in these industries are designed to withstand frequent cleaning and sanitization processes. They are resistant to common cleaning agents and high-pressure washdowns, ensuring that the equipment remains clean and free from contaminants.

Compliance with Industry Standards:

Drag chains used in food processing and packaging industries are designed to meet industry-specific regulations and standards, such as FDA (Food and Drug Administration) guidelines, NSF (National Sanitation Foundation) certifications, and EHEDG (European Hygienic Engineering & Design Group) guidelines.

When selecting drag chains for food processing and packaging applications, it’s essential to choose products from reputable manufacturers with a proven track record in supplying cable management solutions for the food industry. Additionally, regular inspection and maintenance of drag chains are necessary to ensure their continued performance and compliance with industry regulations.

pintle

How do drag chains prevent cable wear and ensure smooth cable movement?

Drag chains, also known as cable carriers or cable chains, play a crucial role in protecting cables and hoses while ensuring their smooth movement in industrial applications. Here’s how they achieve this:

1. Enclosed Design:

Drag chains have an enclosed design with a series of interconnected links that form a protective channel for the cables and hoses inside. This design prevents external elements like dust, debris, and liquids from coming into direct contact with the cables, reducing the risk of abrasion and wear.

2. Cable Separation:

The individual links in the drag chain keep the cables and hoses separated from each other, preventing them from getting tangled or rubbing against each other. This separation minimizes friction and wear between the cables, ensuring their longevity.

3. Cable Support:

Drag chains provide excellent support for the cables and hoses they carry. The cables rest on the bottom of the chain’s channel, and the smooth movement of the chain prevents excessive bending or twisting, reducing the stress on the cables and prolonging their life.

4. Low Friction Materials:

High-quality drag chains are made from low-friction materials like nylon or plastic, reducing the friction between the cables and the chain itself. This feature ensures that the cables can move freely inside the chain without experiencing excessive wear.

5. Tension Adjustment:

Many drag chains allow for adjustable tension, which means that the user can adjust the tightness of the chain according to the number and size of the cables or hoses. Proper tension prevents slack and excessive movement, reducing the risk of wear due to movement-related stress.

6. Suitable Material Selection:

Choosing the right type of drag chain and material is essential to prevent cable wear. The chain’s material should be compatible with the cables it will carry and the environmental conditions in which it will operate. Stainless steel, plastic, and hybrid materials are commonly used for different applications.

7. Regular Inspection and Maintenance:

Regular inspection and maintenance of drag chains are vital to ensure their optimal performance. This includes cleaning the chain, checking for any signs of wear or damage, and making any necessary adjustments or replacements.

In conclusion, drag chains prevent cable wear and ensure smooth cable movement by providing an enclosed, separated, and well-supported channel for the cables and hoses. The right material selection, tension adjustment, and regular maintenance further contribute to the effective protection and longevity of the cables in industrial applications.

China factory ASTM80 Standard G30 Metal Steel Drag Metal Link Chain  China factory ASTM80 Standard G30 Metal Steel Drag Metal Link Chain
editor by CX 2023-10-09