Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | Customized production based on project requirements |
| Delivery Time | Based on project requirements |
| Packaging Details | Export standard pallet or customized packing |
| Standard: | MIL-C-22521C |
| Grade: | Grade 1, 2, 3; |
| Chain Diameter: | 13mm to 48mm |
| Length per shot: | Customized |
| Construction: | Flash butt welded, |
| Type: | Open Link, Studless Link; |
| Test: | Proof load test, Break load test, Material property test, |
| Surface treatment: | Hot dip galvanize, Electric galvanized, Anti-corrosive painted; |
| Certificates: | ABS, any other third-party inspection certificate and Mill Certificate. |
| Material Grade: | SUS 304, SUS 316, CM490, 20Mn2, |
| Brand Name | Zhongyuan Marine Equipmen |
| Model Number | Standard or Customized |
| Certification | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | Customized production based on project requirements |
| Delivery Time | Based on project requirements | Packaging Details | Export standard pallet or customized packing |
| Standard: | MIL-C-22521C | Grade: | Grade 1, 2, 3; |
| Chain Diameter: | 13mm to 48mm | Length per shot: | Customized |
| Construction: | Flash butt welded, | Type: | Open Link, Studless Link; |
| Test: | Proof load test, Break load test, Material property test, | Surface treatment: | Hot dip galvanize, Electric galvanized, Anti-corrosive painted; |
| Certificates: | ABS, any other third-party inspection certificate and Mill Certificate. | Material Grade: | SUS 304, SUS 316, CM490, 20Mn2, |
| Brand Name | Zhongyuan Marine Equipmen | Model Number | Standard or Customized |
| Certification | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA, CRS, Makers Test Certificate | Place of Origin | China |
| High Light | ss316 open link chain ，13mm open link chain ，13mm stainless steel marine chain | ||
MIL-C-22521 Open Link Chain Coast Guard Buoy Chain Anchor Chain
Description
MIL-C-22521C U.S. open link coast guard buoy chain is used for positioning for buoy tank. It is manufactured in accordance with U.S. Coast Guard Specification Mil-C-22521C, the welded buoy chain is an open link, studless chain, manufactured to Grade 1.2,3. Both the chain and the end links are manufactured from C-Mn steel round bar, AISI 1030 per Mil-S-16974, with a tensile strength ranging from 71,000 to 92,500 pis.
We supply all kinds of buoy chain, They can be stud link and open link. They are butt flash welded. The surface is either painted or hot dip galvanized. It has good anti corrosive property and high strength.
Main Technical Specifications
Main Technical Parameters:
| Common Links | End Links | Loads | Weight Per 15-Fathom Shot (Approx.) |
|||||||
| Chain Diameter A (Inches) |
Chain Diameter A (mm) |
Link Length B |
Link Width C |
Length Over Six Links D |
Chain Diameter E |
Link Length F |
Link Width G |
Proof Load |
Break Load |
|
| 1/2 | 13 | 3 | 1-7/8 | 13 | 3/4 | 4-1/4 | 2-5/8 | 7500 | 15000 | 210 |
| 5/8 | 16 | 3-3/4 | 2-1/4 | 16-1/4 | 3/4 | 4-1/2 | 2-5/8 | 11500 | 23000 | 323 |
| 3/4 | 19 | 4-1/2 | 2-5/8 | 19-1/2 | 7/8 | 5-1/4 | 3-1/8 | 16000 | 32000 | 442 |
| 7/8 | 22 | 5-1/4 | 3-1/8 | 22-3/4 | 1-1/8 | 6-3/4 | 3-7/8 | 22000 | 40000 | 608 |
| 1 | 25 | 6 | 3-1/2 | 28 | 1-1/4 | 7-1/2 | 4-3/8 | 29000 | 58000 | 760 |
| 1-1/8 | 28 | 6-3/4 | 3-7/8 | 29-1/4 | 1-1/4 | 7-1/2 | 4-3/8 | 38500 | 77000 | 990 |
| 1-1/4 | 32 | 7-1/2 | 4-3/8 | 32-1/2 | 1-1/2 | 9 | 5-1/4 | 45500 | 91000 | 1245 |
| 1-1/2 | 38 | 9 | 5-1/4 | 39 | 1-7/8 | 11-1/4 | 6-1/2 | 65500 | 131000 | 1762 |
| 1-5/8 | 42 | 9-3/4 | 5-11/16 | 42-1/4 | 1-7/8 | 11-1/4 | 6-1/2 | 76500 | 153000 | 2040 |
| 1-3/4 | 44 | 10-1/2 | 6-1/16 | 45-1/2 | 2-1/8 | 12 | 7-3/16 | 86500 | 173000 | 2370 |
| 1-7/8 | 48 | 11-1/4 | 6-1/2 | 48-3/4 | 2-1/8 | 12 | 7-3/16 | 100000 | 200000 | 2640 |
Drawing of MIL-C-22521 Open Link Chain Coast Guard Buoy Chain Anchor Chain
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Seller
Year Established:
1990
Total Annual:
10,000,000-15,000,000
Employee Number:
>300
Ecer Certification：
Verified Supplier
Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. was founded in the 1990s and has developed into an integrated marine equipment manufacturer and project supply partner combining manufacturing, technical support, and export services. The group consists of four factories and one export trading c... Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. was founded in the 1990s and has developed into an integrated marine equipment manufacturer and project supply partner combining manufacturing, technical support, and export services. The group consists of four factories and one export trading c...
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