China wholesaler 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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Shipping Cost:

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Payment Method:







 

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

pintle

What are the benefits of using a steel drag chain in heavy-duty applications?

Steel drag chains offer several advantages when used in heavy-duty applications, where ruggedness and durability are essential. Here are the benefits of using steel drag chains:

  • High Strength: Steel is known for its exceptional strength and load-bearing capacity, making it suitable for handling heavy loads and withstanding the stresses of demanding industrial environments.
  • Resistance to Abrasion: In heavy-duty applications, there can be abrasive materials or rough surfaces that the drag chain may come into contact with. Steel drag chains have excellent abrasion resistance, ensuring a longer service life even in harsh conditions.
  • Temperature Resistance: Steel drag chains can handle high-temperature environments, making them suitable for applications where exposure to heat or extreme temperatures is common.
  • Corrosion Resistance: Steel drag chains are often coated or treated to enhance their resistance to corrosion, protecting them from moisture, chemicals, and other corrosive substances.
  • Longevity: Due to their robust construction and resistance to wear, steel drag chains have a longer operational life compared to chains made from other materials.
  • Reliability: In heavy-duty applications, reliability is crucial to prevent downtime and costly interruptions in production. Steel drag chains provide a reliable and consistent performance under heavy loads and demanding conditions.
  • Wide Range of Sizes: Steel drag chains are available in various sizes and configurations, allowing them to be tailored to specific heavy-duty applications and equipment.

Overall, using a steel drag chain in heavy-duty applications can improve the efficiency and safety of the equipment, reduce maintenance requirements, and contribute to a more productive and reliable industrial operation.

pintle

How do drag chains handle reverse motion or anti-reverse requirements?

Drag chains are designed to handle reverse motion or anti-reverse requirements in various industrial applications. When a system requires the prevention of backward movement or needs to maintain a specific orientation, anti-reverse or backstop mechanisms can be incorporated into the drag chain design. These mechanisms allow the drag chain to move freely in the desired direction while locking or resisting motion in the opposite direction.

The anti-reverse capabilities of drag chains are typically achieved through the use of specially designed components, such as one-way bearings or ratchet systems. These components allow the drag chain to engage or disengage the anti-reverse feature as needed, ensuring smooth movement in the desired direction and preventing any unintended reverse motion.

Some key points regarding how drag chains handle reverse motion and anti-reverse requirements are:

  • One-Way Bearings: One-way bearings are commonly used in drag chains to enable free motion in one direction while providing resistance or locking in the opposite direction. These bearings allow the drag chain to engage with the system and move forward while preventing backward motion.
  • Ratchet Mechanisms: Ratchet systems can be integrated into the drag chain to allow movement in one direction and restrict motion in the opposite direction. The ratchet mechanism engages when the drag chain moves in the intended direction and disengages when attempting to move in the reverse direction.
  • Custom Solutions: In some cases, custom drag chain designs may be required to meet specific anti-reverse or backstop requirements of a particular application. Manufacturers can tailor drag chains to suit the unique needs of the system, ensuring precise control over motion and orientation.

Anti-reverse drag chains find applications in various industries where precise positioning, orientation control, or safety considerations are essential. For example, they may be used in conveyor systems to prevent products from rolling backward or in machinery that requires unidirectional movement.

When selecting a drag chain for applications that require anti-reverse capabilities, it is crucial to consider factors such as load capacity, speed, and the specific requirements of the motion control system to ensure optimal performance and reliability.

pintle

How do drag chains handle abrasive or corrosive environments?

Drag chains are designed to provide protection and guidance to cables and hoses, even in harsh and demanding environments, such as abrasive or corrosive conditions. The way drag chains handle these environments depends on the materials used, the design features, and additional protective measures.

Abrasive Environments:

In environments where abrasion is a concern, drag chains can employ materials and design features to withstand the wear and tear caused by friction and particles. Here are some considerations:

Material Selection: Drag chains can be made from abrasion-resistant materials, such as reinforced nylon, steel-reinforced elastomers, or steel cables with plastic or rubber coatings.

Additives: Certain additives or fillers can be incorporated into the drag chain materials to enhance their abrasion resistance properties.

Guiding and Support: Drag chains are designed to guide and support cables and hoses, reducing their exposure to abrasive elements and minimizing potential damage.

Corrosive Environments:

For corrosive environments, drag chains must be constructed from materials that can withstand chemical exposure and prevent degradation. Here are some considerations:

Corrosion-Resistant Materials: Drag chains can be made from materials like stainless steel or high-grade plastics that offer excellent resistance to corrosive substances.

Coatings and Finishes: Additional coatings or finishes can be applied to the drag chain’s surface to protect against chemical attack.

Sealing: In highly corrosive environments, drag chains may have enhanced sealing to prevent corrosive agents from entering and affecting the cables or hoses inside.

Regular Maintenance: Proper and regular maintenance, including cleaning and inspection, can help detect and address any signs of corrosion early, prolonging the drag chain’s lifespan.

When choosing a drag chain for abrasive or corrosive environments, it’s crucial to consider the specific conditions of the application and communicate these requirements to the drag chain manufacturer or supplier. They can recommend suitable materials and designs to ensure the drag chain performs effectively and protects the cables and hoses from the harsh environment.

China wholesaler ASTM80 Standard G30 Metal Steel Drag Metal Link Chain  China wholesaler ASTM80 Standard G30 Metal Steel Drag Metal Link Chain
editor by CX 2023-10-17