High Strength BS Short Link Chain with Superior Quality
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Product Highlights
- Grade 80 Alloy Steel: High strength quenched and tempered alloy steel with black lacquered finish.
- Superior Safety Factor: Minimum breaking load is 4 times W.L.L, proof tested to 2.5 times W.L.L.
- Heat Treatment Process: Heat treated for enhanced tensile strength and resistance to wear.
- Custom Chain Design: Versatile components allow design and creation of custom chain slings.
- Flexible Ordering: Priced by the meter, allowing orders of exact required amounts.
- Wide Size Range: Available in sizes from 6mm to 50mm for various applications.
- ISO 9001 Certified: Manufacturer holds ISO9001 certification for quality management.
- Fast Response Time: Customer inquiries are replied to within 24 hours.
Product Attributes
- Customization
- Available
- Usage
- Transmission Chain, Drag Chain, Conveyor Chain, Dedicated Special Chain, BS Long Link Chain
- Material
- Alloy
- Model NO.
- FST-G80
- Surface Treatment
- Polishing
- Feature
- Heat Resistant
- Chain Size
- 6mm-42mm
- Structure
- Welded Chain
- Color
- Self Color
- Process
- Welded+Heat Treatment+Surface Treatment
- Certificate
- ISO9001
- Brand
- First Rigging
- Trade Term
- Fob, CFR, CIF
- HS
- 73158200
- Payment
- T/T
- Manufacturer
- Yes
- Lead Time
- Within 15 Works Days After Receive Deposit
- Product Name
- Mine Chain
- Place of Origin
- China
- Packaging
- Packed in Wooden Case/Iron Drum, Then in Pallets
- Transport Package
- Packed in Wooden Case/Iron Drum, Then in Pallets
- Specification
- G80
- Trademark
- First Rigging
- Origin
- Shandong, China
- HS Code
- 7315820000
- Production Capacity
- 150 Tons/Month
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Product description
G80 Short Link Chain- Grade 80, alloy steel, quenched and tempered.
- Black lacquered finish.
- Minimum breaking load is 4 times the W.L.L.
- Proof tested to 2.5 times the W.L.L.
- Marked manufacturers mark, ID mark and grade 80.
- Available in 7mm, 8mm, 10mm, 13mm and 16mm
Product specification
| diameter | pitch | width | unit weight (kg/m) |
|||
| nominal d (mm) |
tolerance (mm) |
p (mm) | tolerance (mm) |
inner W1 min. (mm) |
outer W2 max. (mm) |
|
| 6 | ± 0.24 | 18 | ± 0.5 | 7.8 | 22.2 | 0.8 |
| 7 | ± 0.28 | 21 | ± 0.6 | 9.1 | 25.9 | 1.1 |
| 8 | ± 0.32 | 24 | ± 0.7 | 10.4 | 29.6 | 1.4 |
| 10 | ± 0.4 | 30 | ± 0.9 | 13 | 37 | 2.2 |
| 13 | ± 0.52 | 39 | ± 1.2 | 16.9 | 48.1 | 4.1 |
| 16 | ± 0.64 | 48 | ± 1.4 | 20.8 | 59.2 | 6.2 |
| 18 | ± 0.9 | 54 | ± 1.6 | 23.4 | 66.6 | 8 |
| 19 | ± 1 | 57 | ± 1.7 | 24.7 | 70.3 | 9 |
| 20 | ± 1 | 60 | ± 1.8 | 26 | 74 | 9.9 |
| 22 | ± 1.1 | 66 | ± 2.0 | 28.6 | 81.4 | 12 |
| 23 | ± 1.2 | 69 | ± 2.1 | 29.9 | 85.1 | 13.1 |
| 24 | ± 1.2 | 72 | ± 2.1 | 30 | 84 | 14.5 |
| 25 | ± 1.3 | 75 | ± 2.2 | 32.5 | 92.5 | 15.6 |
| 26 | ± 1.3 | 78 | ± 2.3 | 33.8 | 96.2 | 16.8 |
| 28 | ± 1.4 | 84 | ± 2.5 | 36.4 | 104 | 19.5 |
| 30 | ± 1.5 | 90 | ± 2.7 | 37.5 | 105 | 22.1 |
| 32 | ± 1.6 | 96 | ± 2.9 | 41.6 | 118 | 25.4 |
| 36 | ± 1.8 | 108 | ± 3.2 | 46.8 | 133 | 32.1 |
| 38 | ± 1.9 | 114 | ± 3.4 | 49.4 | 140.6 | 35.8 |
| 40 | ± 2 | 120 | ± 4.0 | 52 | 148 | 39.7 |
| 45 | ± 2.3 | 135 | ± 4.0 | 58.5 | 167 | 52.2 |
| 48 | ± 2.4 | 144 | ± 4.3 | 62.4 | 177.6 | 57.2 |
| 50 | ± 2.6 | 150 | ± 4.5 | 65 | 185 | 62 |

Company profile
Founded in 1998, Weifang First Rigging Co., Ltd., formerly known as Changle Chain Factory, is located in Changle Country of Shandong Province known as "The Gem City of China", and specializes in producing and marketing chain and rigging related products at home and abroad.
Our company has independent import and export operating rights, and can handle the certifications of CCS, LR, DNV and other famous classification societies for products. Our products are sold to dozens of countries such as Europe, America and Middle East as well as more than ten provincial and municipal regions in China, and. are widely applied to the fields of ships, steel, petrochemical industry, coal mine, etc.
In the principle of "Quality-honoring & Promise-keeping", our company meets the requirements of all the customers through service innovation, changes the original production state through technical innovation, improves the product quality through process innovation, and continuously goes to standardization, elaboration, process and scientification through the business thought of constant innovation. Absolute sincerity will move a heart of stone. Our company is willing to cooperate with domestic and foreign new/old customers in utmost sincerity, to create a common future!
The factory produces live pictures

Service we supply :
1.Reply you in 24 hours,any question please feel free to contact me.2.Supply you drawing and technical data of Grade 80 lifting Alloy Chain Link Chain
3.Can make the goods according to your requirements.
4.Strict qualtity assurance.
Product packaging
- Wooden box
- Woven bag
- Iron drum
- Plastic roll
- According to buyer's requirements
Sample Delivery:The sample for free.
Other related products
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2651269". Items marked "" are certified.
Company Profile
Weifang First Rigging Co., Ltd. is one of the leading manufacturers of chain and rigging China. It owned two modern factories in Changle county, Shandong province. Based on nearly 20 years of experience, advanced technology and ISO9001: 2008 quality management system, First Rigging have been striving to provide superior products and services for its domestic and international customers.
First Rigging integrates R & D, manufacturing, sales and service, currently focuses on hardware products comprising chain, master link, shackle, hook, rigging, tire skidder chain and some relevant accessories. The certificates of some famous Classification society (like CCS, LR, DNV and etc) could be provided. The products have been sold all over the world and welcomed by customers.
The company has an independent right of import and export, and its products can be certified by China Classification Society (CCS), British Register of Shipping (LR), Norwegian Register of Shipping (DNV) and other well-known classification societies. Products are exported to Europe, the United States, the Middle East and other dozens of countries and more than 10 provinces and cities in China. Widely used in shipbuilding, steel, petrochemical, coal mining and other fields.
History:
1998--First Rigging was established in Changle, focus on providing chain and rigging for domestic and international customers.
2004--First Rigging built its forging workshop, producing chains and related accessories.
2009--First Rigging introduced automatic production line.
2014--First Rigging passed ISO 9001 quality system certification.
2016--First Rigging founded a 35000 square meters modern and automatic workshop.
2017--The products of First Rigging had been delivered to many countries and areas especially America and Canada and got good reputation from customers.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Development Zone of South Changle County, Weifang, Shandong, China
-
Plant Area
- 7000 square meters
-
Number of Employees
- 26
-
Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- T/T
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month -
Nearest Port
- Qingdao Port
-
Minimum Order Quantity
- 1 ton
-
Supply Chain Partners
- 18
Our Production Capability & Technical Expertise
-
Main Products
- Chain, Master Link, Rigging, Shackle, Hook, Tire Skidder Chain, Load Binder, Chain Sling, Other Hardware Accessories, Lashing Chain
-
Production Lines
- 1
-
Production Machines
- Forging Machine, Heat Treatment Equipment, Lathe, Medium Frequency Furnace, Punching Machine, Sawing Machine, Shot Blasting Machine
-
QA/QC inspectors
- 2 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2010-04-23
-
Export Year
- 8 years
-
Main Markets
- Domestic, South Asia, Central Asia
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 4
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO9001:2015
-
Cooperated with Fortune 500
- No
FAQ
- What is the material and finish of the chain?
- The chain is made of Grade 80 alloy steel, quenched and tempered, with a black lacquered finish.
- What is the safety factor of this chain?
- The minimum breaking load is 4 times the Working Load Limit (W.L.L), and it is proof tested to 2.5 times the W.L.L.
- Can I order a custom length of chain?
- Yes, the chain is priced by the meter, allowing you to order the exact amount you need.
- What sizes are available for the Grade 80 chain?
- The chain is available in sizes ranging from 6mm to 50mm, including 7mm, 8mm, 10mm, 13mm, and 16mm.
- Does the manufacturer offer customization services?
- Yes, we offer OEM, ODM, and full customization services, including custom designs and samples.
- What is the lead time for production?
- The lead time is within 15 working days after receiving the deposit, or one month during peak/off-peak seasons.
- Is the product certified?
- Yes, the manufacturer holds ISO9001 certification and can handle certifications from CCS, LR, and DNV.
- What is the minimum order quantity?
- The minimum order quantity is 1 ton.
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