China wholesaler Zinc Plated G30 G43 Steel Chain G70 Transport Chain CZPT Lifting Chain Us Standard Nacm 2010 Galvanized DIN766 Short Link Chain DIN763 Long Link Chain SS304 316 roller bush chain

Product Description

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.


 

Manufacturing Plant

 

TEST

 

Packaging & Shipping

 

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 CZPT 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, CZPT 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 CZPT partnership with other factories.    

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


Our Office

HangZhou CZPT 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 CZPT is our mission.

All members of our company will be very honored if you contact us. We are looking CZPT 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 CZPT 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 CZPT 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
Feature: Fire Resistant
Chain Size: 1/8"-1"
Structure: Welded Chain
Samples:
US$ 30/Meter
1 Meter(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

chain

Roller Chain Basics

Before choosing the right roller chain for your machine, it is necessary to learn some basics. Learn about sprockets, tensile strength, pitch, and width. Read this article to learn more. It will help you make an informed decision. Getting the right product is critical, but it’s not always as simple as choosing a brand name. You need to choose a company that supports its products and provides good service.

Roller sprocket

If you are planning to purchase roller sprockets for your application, you should first look at the various types available. Sprockets available for single-strand roller chains are manufactured by Boston Steel – Type B sprockets are drilled to size. They are available in 1/4, 3/8, 1/2, 5/8, 3/4 and 1″ pitch sizes.
The diameter of the sprocket is important when choosing the right sprocket for your application. Using a caliper to measure the diameter of a toothless plate is a good way to determine the exact size of the sprocket. A caliper is the diameter of a plate without teeth. On Type B and C sprockets, the hub diameter measures the thickness of the hub.
Another type of sprocket is the steel split sprocket, which is split in diameter. This type is easy to install and remove, and is held together by bolts in the hub. Typically, split sprockets have chain pitches ranging from 40 to 240 and bores ranging from 3/4″ to 6″. The split sprockets are designed with one pointing towards the ceiling and the other two parallel to the floor.
When shopping for sprockets, it is important to remember that they are designed specifically for a specific chain. All chains are manufactured to specific standards. In the United States, the most common standard is ANSI. The chain pitch is the distance between the center of each pin and the center of the next pin. In the US, the standard is always measured in eight-inch intervals.
In addition to sprocket size, sprocket pitch and the surface area also affect chain life. Unlike belt sprockets, which are made of forged steel, the teeth on roller sprockets are stamped from steel sheet or pressed from powdered metal. The harder the teeth, the longer the chain will last.

Roller chain pitch

The pitch of a roller chain is the distance between the sprocket and the pin. The smaller the thread pitch, the smaller the bushing wear. Generally speaking, the smaller the pitch, the longer the life of the chain. For best performance and longest life, manufacturers recommend a minimum chain pitch of 2% to 3%. Chain pitch is important to ensure proper performance, and the manufacturer recommends that you replace the chain when it reaches 2% to 3% of normal.
To determine the correct chain pitch for a particular chain, first determine the sprocket size and pitch. Pitch is the distance between pin centers, measured in 1/8 inch increments. The pin diameter of the chain is also important. If you’re not sure about the pin diameter of your chain, measure a few links to get a good average reading. Alternatively, use a caliper to measure the inside diameter of the sprocket and count the number of teeth.
When sizing a sprocket, measure the chain between the gears with a caliper and compare it to the measurements on the chain size chart. Make sure you have checked all the specs and checked the correct chain pitch. Then, choose the correct chain pitch for your needs. This is a critical step in choosing the right chain. So get the correct pitch for your roller chain. Correct pitch helps ensure maximum performance and safety.
To identify a specific type of roller chain, measure its tensile strength. This represents the amount of load the chain can withstand before breaking. Another key parameter to consider is fatigue strength. Chains with high fatigue strength are more resistant to rust and wear than chains with low fatigue strength. The numbers on the right in the standard numbering represent normal or light duty chains, while the numbers on the left represent the pitch of heavy-duty chains.
Double pitch roller chains are a variant of single pitch chains. They are manufactured according to ISO 606 and meet the same standards as single pitch chains. They are mainly used in applications with lower requirements for speed and power transmission. The plates of double pitch roller chains are also longer than single pitch chains. The double pitch drive series is also used for elevator and long conveyor drives. There are three main types of roller chains: single-pitch chains, double-pitch carriers, and oversized rollers.

Roller chain width

When buying a roller chain, one of the first decisions you must make is its width. To make this determination, you need to measure the overall width of the chain, the diameter, and the width of each roller. You must also know the height and thickness of the board. After taking these measurements, you can start shopping for the perfect roller chain. But before you buy a new chain, it’s important to know what to expect from the chain itself.
There are many different types of roller chains. These chains are available for ANSI and metric measurements. They come in single-stranded and double-stranded variants. They are usually used for power transmission. Other types include agricultural, automotive, conveyor, multi-strand, and four-strand chains. These charts also include a chart so you can easily see the exact size you need. Listed below are some of the benefits of buying a roller chain.
Roller diameter and pin diameter are important factors in choosing the correct chain width. The width of the chain is the nearest binary fraction of 5/8 of an inch. It should be at least half the thickness of the sprocket, and the plate thickness is one-eighth the width of the chain. Overweight chains are indicated with the suffix H. The pitch and width of the chain are determined by the working load and machine speed.
The outer links of the roller chain are called pin links. These pins are inserted into the bushings of the adjacent roller links. They are held in place by cotter pins. Pin links are usually pressed into the pins of heavy-duty chains. These pins are used to hold the rollers in place. However, these pin chains can reduce the power rating of roller chains by up to 20%.
The ANSI 29.1 Steel Chain Specification specifies a minimum pitch in inches and ultimate strength of 12,500 x pitch in inches. At the same time, the O-ring chain greatly reduces wear due to its lubricating effect. O-ring and X-ring chains contain a lubricant injected by vacuum when riveting the chain together. Transmission chains are tested and governed by standards bodies such as ANSI. In 2011, the American Society of Mechanical Engineers developed a standard for precision power transmission chains.
chain

Roller chain tensile strength

One of the most important indicators of roller chain strength is tensile strength. This measurement refers to the amount of load the chain can withstand before breaking. Another measure, called fatigue strength, refers to the maximum load a chain can withstand before it breaks. The strength of a roller chain depends on its size, the quality of the steel used in its construction, and the heat treatment. There are also differences in the types of shot peening used to treat steel, pitch holes, and link plates.
When choosing a roller chain, the workload is critical. This is the maximum load the chain can withstand before fatigue failure occurs. This measurement is critical because it helps determine the type of load applied to the chain. When deciding which roller chain to buy, be sure to consider the mechanical type and desired strength. Then, make sure it meets strength and load-carrying capacity requirements.
The ultimate tensile strength of a roller chain is based on the manufacturer’s recommended maximum tensile strength. However, the actual tensile strength may be higher or lower than this value. The working load limit of a roller chain can also be calculated by multiplying the chain diameter by the grade. The working load limit of a chain is the highest tension it can withstand before breaking. This value is usually expressed in points.
The maximum tensile strength of roller chains varies by chain type. The single-strand heavy chain has thick side plates for higher shock loads. Single strand heavy-duty roller chains, also known as “bushing” roller chains, are also available. Double-stranded heavy chains are structurally similar, but they have two layers of steel connected by pins that are nearly twice as strong as standard roller chains.
The tensile strength of a single-strand roller chain is approximately 500 tons. In comparison, a single-chain blockchain has a tensile strength of 900. The tensile strength of the two is similar, and it is not recommended to choose one or the other. Although steel and titanium chains are considered the strongest materials for roller chains, these materials are not magnetic.

China wholesaler Zinc Plated G30 G43 Steel Chain G70 Transport Chain CZPT Lifting Chain Us Standard Nacm 2010 Galvanized DIN766 Short Link Chain DIN763 Long Link Chain SS304 316   roller bush chainChina wholesaler Zinc Plated G30 G43 Steel Chain G70 Transport Chain CZPT Lifting Chain Us Standard Nacm 2010 Galvanized DIN766 Short Link Chain DIN763 Long Link Chain SS304 316   roller bush chain
editor by CX 2023-05-25