Professional Stainless Steel Proof Coil Chain Manufacturer
Stainless steel proof coil chain is a Grade 30 stainless steel welded chain with excellent corrosion resistance and tensile strength. It is one of the most widely used rust-proof chains, commonly applied in various industrial and household applications.
Tuohai selects high-quality 304 and 316 stainless steel materials and utilizes fully automated production lines to ensure precise dimensions and reliable quality, meeting the requirements of various applications. We also have advanced surface treatment technologies and stringent quality control, ensuring that our stainless steel proof coil chains offer superior corrosion resistance and longer service life.
Tuohai Standards for Stainless Steel G30 Proof Coil Chain Production:
| Country | Standard |
| USA | ASTM A413 |
| Germany | DIN 763, DIN 764, DIN 766, DIN 5685 |
| Australia | AS 2321 |
| UK | BS EN 818-2, BS 4978 |
| France | NF EN 818-2, NF E 25-040 |
| Japan | JIS B 8810 |
| South Korea | KS D 6511 |
| China | GB/T 1186 |
Features of Tuohai Stainless Steel Proof Coil Chain
Corrosion-resistant, high strength, suitable for various harsh environments.
Automated production, meeting multiple international standards.
Polishing and passivation treatments, enhancing durability and aesthetics.
Excellent tensile strength, suitable for a wide range of heavy-duty applications.
Outstanding Corrosion Resistance
Tuohai’s stainless steel proof coil chain is made from high-quality stainless steel materials, combined with advanced surface treatment technologies such as polishing and passivation. These processes effectively prevent oxidation and rusting, further enhancing the chain’s corrosion resistance and service life. Whether in marine environments or other corrosive settings, our stainless steel G30 chain delivers stable and excellent performance.
Customized Services
Tuohai offers comprehensive customization services, designing and producing stainless steel proof coil chains according to your specific requirements. This includes chain dimensions, shapes, lengths, and product packaging, such as stainless steel long link chains, short link chains, and more. We also provide matching connecting accessories to perfectly fit various special applications, offering you the most precise solutions to enhance your work efficiency and market competitiveness.
For different load, corrosion-resistance, or transport requirements, we also supply Heavy Duty Stainless Steel Chain.
Diverse Application Range
As a high-performance rust-proof chain, Tuohai’s Stainless Steel Proof Coil Chain offers excellent corrosion resistance and high strength. The heavy-duty stainless steel chain can be widely used in heavy equipment, lifting systems, and other applications. It can also serve as a safety chain (stainless steel safety chain) for purposes such as towing, hauling, and binding, including load chains, hitch chains, and hauling chains. Additionally, smaller stainless steel chains can be used as hanging chains or swing chains for household, gardening, and other applications.
Why Choose Tuohai Stainless Steel Proof Coil Chain
As a professional stainless steel chain manufacturer, Tuohai boasts advanced automated production workshops. All metal link chains are produced through automation, ensuring precise dimensions, uniform shapes, and consistent load distribution. Whether it’s stainless steel chains, automatic chains, or large stainless steel chains, Tuohai can provide various specifications to meet your needs. This not only improves production efficiency but also significantly enhances product quality, reduces your waiting time, and ensures the delivery of high-quality products and optimal solutions.
Tuohai offers efficient logistics services to ensure your goods are delivered on time. We have established close partnerships with several experienced international logistics companies, allowing us to provide the most suitable transportation methods based on your location, including air freight, land transportation, sea freight, express delivery, and more. We also offer various customs clearance services to ensure the safe and timely arrival of products at your designated location, minimizing transport time and reducing costs.
More Info About Tuohai Stainless Steel Proof Coil Chain
- Size Chart
- Applications
NACM84/90 PROOF COIL CHAIN (G30) |
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| NOMINAL SIZE | MATERIAL DIAMETER | WORKING LOAD LIMIT | PROOF TEST(MIN) | BREAKING FORCE MIN | INSIDE LENGTH | INSIDE WIDTH | |||||||
| MM | IN | MM | IN | KG | LB | KN | LB | KN | LB | MM | IN | MM | IN |
| 4 | 1/8 | 4 | 0.156 | 170 | 375 | 3.6 | 800 | 7.1 | 1600 | 23.9 | 0.94 | 6.4 | 0.25 |
| 5.5 | 3/16 | 5.5 | 0.217 | 365 | 800 | 7.2 | 1600 | 14.3 | 3200 | 24.8 | 0.98 | 7.7 | 0.3 |
| 7.1 | 1/4 | 7 | 0.276 | 580 | 1300 | 11.6 | 2600 | 23.1 | 5200 | 31.5 | 1.24 | 9.8 | 0.38 |
| 8 | 5/16 | 8 | 0.315 | 860 | 1900 | 15.1 | 3400 | 30.2 | 6800 | 32.8 | 1.29 | 11.2 | 0.44 |
| 10 | 3/8 | 10 | 0.394 | 1200 | 2650 | 23.6 | 5300 | 47.1 | 10600 | 35 | 1.38 | 14 | 0.55 |
| 13 | 1/2 | 13 | 0.512 | 2030 | 4500 | 39.8 | 8950 | 79.6 | 17900 | 45.5 | 1.79 | 18.2 | 0.72 |
| 16 | 5/8 | 16 | 0.63 | 3130 | 6900 | 60.3 | 13600 | 120.6 | 27200 | 56 | 2.2 | 20 | 0.79 |
| 20 | 3/4 | 20 | 0.787 | 4800 | 10600 | 94.3 | 21200 | 188.5 | 42400 | 70 | 2.76 | 25 | 0.98 |
| 22 | 7/8 | 22 | 0.866 | 5810 | 12800 | 114.1 | 25600 | 228.1 | 51200 | 77 | 3.03 | 27.5 | 1.08 |
| 25 | 1″ | 26 | 1.02 | 8140 | 17900 | 159.1 | 35800 | 318.2 | 71600 | 90.9 | 3.58 | 31.7 | 1.25 |
NACM96 PROOF COIL CHAIN (G30) |
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| NOMINAL SIZE | MATERIAL DIAMETER | WORKING LOAD LIMIT | PROOF TEST(MIN) | BREAKING FORCE MIN | INSIDE LENGTH | INSIDE WIDTH | |||||||
| MM | IN | MM | IN | KG | LB | KN | LB | KN | LB | MM | IN | MM | IN |
| 4 | 1/8 | 4 | 0.156 | 180 | 400 | 3.6 | 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 | 45.6 | 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 | 10500 | 94.3 | 21200 | 188.6 | 42400 | 70 | 2.76 | 25 | 0.98 |
| 22 | 7/8 | 22 | 0.865 | 5810 | 12800 | 114.1 | 25600 | 228.2 | 51200 | 77 | 3.03 | 27.5 | 1.08 |
| 25 | 1″ | 26 | 1.02 | 8140 | 17900 | 159.1 | 35800 | 318.2 | 71600 | 90.9 | 3.58 | 31.7 | 1.25 |
Japanese Fishing Chain G30 |
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| SIZE | INSIDE LENGTH | INSIDE WIDTH | OUTSIDE WIDTH | WEIGHT PER METER | PROOF TEST | BREAKING LOAD |
| MM | MM | MM | MM | KG | KG | KG |
| 8.7 | 27.9 | 12.7 | 30.1 | 1.63 | 1750 | 3500 |
| 10.3 | 31.2 | 15.7 | 36.3 | 2.37 | 2500 | 5000 |
| 11.9 | 34.8 | 19.1 | 42.9 | 3.23 | 3300 | 6600 |
| 13.5 | 38.1 | 20.6 | 47.6 | 4.19 | 4300 | 8600 |
| 14.0 | 49.0 | 20.0 | 49.0 | 3.98 | 4650 | 9300 |
| 16.0 | 56.0 | 24.0 | 56.0 | 5.22 | 6000 | 12000 |
Tuohai’s stainless steel proof coil chain can be customized in various specifications and shapes. Whether it’s a small link chain or a large stainless steel chain, Tuohai can provide tailored solutions for different uses. For special applications, Tuohai can also match suitable accessories to ensure perfect adaptation to your specific requirements.
Marine and Offshore Equipment
Stainless steel proof coil chains are highly corrosion-resistant and are commonly used in ship towing chains and other marine equipment. The proof coil chains made from 316 stainless steel can withstand saltwater and harsh weather conditions, making them the ideal choice for marine environments.
Security Applications
Stainless steel proof coil chains can be used as security chains to prevent theft and enhance safety, whether for warehouses or homes. Additionally, they can serve as barrier chains or safety chains on construction sites, lakesides, or other hazardous areas, limiting access and ensuring safety.
Towing and Binding
With their excellent corrosion resistance and tensile strength, stainless steel proof coil chains are frequently used for towing, transport, and other heavy-duty tasks, such as tow chains and load chains. They can also be used for securing items or equipment, such as tie-down chains and equipment chains.
Home and Everyday Use
Tuohai’s stainless steel proof coil chains offer an attractive appearance and can be used for home decoration or gardening applications, such as hanging basket chains, picture hanging chains, light hanging chains, and more. They maintain stable performance and a shiny appearance even after long-term use.
Related Product
Proof Coil chain is a widely used welded chain, typically classified as Grade 30. It is generally made from low carbon steel, medium carbon steel, or stainless steel. In the case of heavy-duty proof coil chains, they may undergo heat treatment (usually quenching and tempering) to enhance their strength and toughness. Proof coil chains are manufactured through standard production processes and offer a certain load-bearing capacity. Compared to other types of chains, they are typically not suitable for high-strength lifting or heavy-duty tasks. The design of proof coil chains is mainly intended for general lifting, towing, and supporting tasks.
The measurement of proof coil chains typically includes the following aspects:
- Chain Wire Diameter: This refers to the diameter of the wire used to make the chain, usually measured in millimeters (mm) or inches. A caliper or specialized measuring tool can be used to measure the diameter of the links.
- Inside Length: This is the length of the inner side of a chain link.
- Inside Width: This is the width of the inner side of a chain link, typically referring to the internal width.
- Outside Length: This refers to the length of the outer side of a chain link.
- Outside Width: This is the width of the outer side of a chain link, i.e., the external width.
- Chain Breaking Load: This is the maximum load the chain can withstand before breaking. It is typically specified in the product’s technical specifications.
Proof coil chains are typically made from low carbon steel (such as Q235 steel), medium carbon steel (like 20Mn2 steel), or stainless steel (304, 316, 316L, etc.). During production, the materials for the chain undergo heat treatment to improve their strength. In addition, carbon steel proof coil chains often undergo surface treatments, such as hot-dip galvanizing or electro-galvanizing, to enhance corrosion resistance.
Proof coil chains are primarily used for the following purposes:
- Industrial Applications: Used in various machinery or equipment, such as equipment chains, to provide reliable performance in industrial settings.
- Securing and Connecting: Used for securing, connecting, or supporting various items or equipment, such as tie-down chains, to ensure stability and safety during transport or storage.
- Safety Applications: Used for theft prevention or to demarcate restricted safety areas, such as safety chains and barrier chains, helping to limit access or protect assets.
- Home Decoration and Miscellaneous Uses: For decorative purposes or in everyday applications, such as swing chains or hanging chains, adding both functionality and aesthetic appeal in residential or garden settings.
The material strength of proof coil chains is insufficient for sling applications. Sling chains typically use alloy steel chains of Grade 70 chains, Grade 80 chains or higher, which offer greater strength and durability. In contrast, Grade 30 (G30) proof coil chains are carbon steel chains, and their strength and durability do not meet the requirements for handling higher loads.
Therefore, proof coil chains should strictly adhere to load limits and should not be used for slings or overhead lifting applications. Using them in such tasks could compromise safety and reduce the lifespan of both the chain and the equipment involved.
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