Chain for Ship

PRODUCT OVERVIEW

The chain plays a crucial role in ship applications, ensuring safety, reliability, and efficient operations. When it comes to selecting the right chain for ships, it’s essential to consider various factors, such as the specific features required, the intended applications, and compliance with industry standards.

Material: High-quality alloy steel
Surface treatment : Self-color, Polishing, blackened, painted, plastic coating, hot-dip galvanize, electro-galvanized, etc
Special anti abrasion treatment
Quality Grade: G80
Safety factor: min 4
Product marking: "LINK" or required by client
In short-Mid-long link series

Specification

1.Short Link Chain

LINK SPECIFICATION				TEST LOAD kg	BREAKING LOAD kg	NET WT PER 200FT (kg)
D		L mm	W mm			NET WT PER 200FT (kg)
in	mm	L mm	W mm			B.F.	H.D.G
1/8	3.20	16	12	200	400	11.40	11.74
5/32	4.00	18.5	14.5	300	600	18.60	19.00
3/16	4.70	19	17	400	800	26.20	27.00
7/32	5.50	20	19	550	1100	36.80	38.00
1/4	6.35	22	21	750	1500	50.00	51.50
5/16	7.94	26.5	27.2	1200	2400	80.00	82.40
3/8	9.50	30	32	1700	3400	122.00	125.70
7/16	11.11	34	36	2300	4600	164.00	169.00
1/2	12.70	39	43	3000	6000	210.00	216.00
5/8	15.80	45	53	4700	9400	334.00	344.00
3/4	19.00	55	63	6800	13600	485.00	499.00
7/8	22.20	64	74	9250	18500	656.00	675.00
1	25.40	73	84	12150	24300	870.00	896.00

Medium Link Chain

LINK SPECIFICATION				TEST LOAD kg	BREAKING LOAD kg	NET WT PER 200FT (kg)
D		L mm	W mm			NET WT PER 200FT (kg)
in	mm	L mm	W mm			B.F.	H.D.G
1/8	3.20	23	12	200	400	10.80	11.00
5/32	4.00	27	15	300	600	17.40	18.00
3/16	4.70	31	17	400	800	24.40	25.00
7/32	5.50	32	19	550	1100	34.00	35.00
1/4	6.35	33	21	750	1500	48.80	50.00
5/16	7.94	48	31	1200	2400	76.00	78.00
3/8	9.50	60	37	1700	3400	111.00	114.00
7/16	11.11	71	41	2300	4600	154.00	158.00
1/2	12.70	85	48.5	3000	6000	194.00	200.00
5/8	15.80	114	61.5	4700	9400	303.00	312.00
3/4	19.00	125	75	6800	13600	432.00	445.00
7/8	22.20	140	88	9250	18500	586.00	603.00
1	25.40	155	100	12150	24300	770.00	792.00

Long Link Chain

LINK SPECIFICATION				TEST LOAD kg	BREAKING LOAD kg	NET WT PER 200FT (kg)
D		L mm	W mm			NET WT PER 200FT (kg)
in	mm	L mm	W mm			B.F.	H.D.G
1/8	3.20	23	12	200	400	10.40	10.70
5/32	4.00	27	15	300	600	16.60	17.50
3/16	4.70	31	17	400	800	22.40	23.30
7/32	5.50	32	19	550	1100	32.00	33.00
1/4	6.35	33	21	750	1500	43.50	44.80
5/16	7.94	48	31	1200	2400	68.00	70.00
3/8	9.50	60	37	1700	3400	96.00	99.00
7/16	11.11	71	41	2300	4600	126.00	129.00
1/2	12.70	85	48.5	3000	6000	167.00	172.00
5/8	15.80	114	61.5	4700	9400	256.00	264.00
3/4	19.00	125	75	6800	13600	381.00	392.00
7/8	22.20	140	88	9250	18500	527.00	543.00
1	25.40	155	100	12150	24300	696.00	716.00

Note: We also can make the nonstandard or special tensile chain according to ti diet’s requirements.

Chain for Ship Applications

Chains for ships find wide-ranging applications in the maritime industry, serving multiple purposes that contribute to the overall functionality and safety of vessels. Some common applications of chains for ships include:

Anchoring: Chains are crucial components of ship anchors, providing the necessary strength and stability to hold vessels in place, even in challenging weather conditions or strong currents.
Mooring: Chains are utilized for mooring ships to docks, wharves, or buoys. They secure the vessel in place, preventing excessive movement or drifting.
Towing and Salvage: Chains are employed during towing operations to connect the towing vessel with the ship being towed. Additionally, they play a vital role in salvage operations, enabling the safe and efficient recovery of distressed vessels.
Lifting and Handling Equipment: Chains are utilized in shipboard cranes, davits, and other lifting and handling equipment. They provide the strength and durability required for loading and unloading cargo or equipment.

Chain for Ship Features

Chains designed for ship applications exhibit specific features that make them suitable for the maritime environment. Here are eight key features to consider:

High Tensile Strength

Ship chains are manufactured from high-tensile materials, such as alloy steel, offering exceptional strength to withstand the forces encountered during anchoring, towing, and lifting operations.

Durability

Ship chains are built to withstand the demanding conditions encountered at sea, including rough seas, extreme temperatures, and heavy loads. They are designed for long-lasting durability and reliability.

Corrosion Resistance

Chains for ships are often treated with specialized coatings, such as galvanization or marine-grade finishes, to protect against corrosion caused by exposure to seawater and harsh marine environments.

Uniform Link Dimensions

Chains for ships feature uniform link dimensions, ensuring compatibility and ease of connection with other shipboard equipment and accessories.

Certifications and Standards

Chains for ships should adhere to relevant industry standards and certifications, such as those provided by classification societies, ensuring compliance with safety regulations and quality requirements

Ease of Inspection

Ship chains should be designed to facilitate regular inspections for signs of wear, deformation, or damage. This allows for timely maintenance or replacement, ensuring continued safety and reliability.

Choosing the Right Chain for Ship

When selecting the appropriate chain for ship applications, consider the following factors:

Application Requirements: Identify the specific applications for which the chain will be used, such as anchoring, towing, or lifting, and choose a chain that aligns with those requirements.
Working Load: Determine the maximum load the chain will be subjected to during operations and select a chain with an appropriate Working Load Limit (WLL) that exceeds your requirements.
Material Selection: Consider the material composition of the chain, ensuring it provides the necessary strength, durability, and corrosion resistance for the intended ship applications.
Chain Size: Choose the chain size based on the vessel’s size, weight, and the expected loads it will encounter. Consult industry guidelines and recommendations to ensure proper sizing.
Certifications and Compliance: Verify that the chosen chain meets relevant industry certifications and compliance with safety standards to ensure its suitability for ship applications.

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FAQ: - Chain for Ship

What is the recommended chain material for ship applications?

The recommended chain material for ship applications is usually high-strength alloy steel, such as Grade R3 or R4 chain. These chains offer excellent strength and corrosion resistance, making them ideal for marine environments.

What are the key factors to consider when selecting chain for ships?

When selecting chain for ships, it is important to consider factors such as chain size, breaking strength, corrosion resistance, compatibility with windlasses or winches, and adherence to relevant industry standards and regulations.

What is the purpose of chain on a ship?

Chains on a ship serve various purposes, including anchoring the vessel, towing or mooring other vessels, and operating equipment like windlasses, cranes, and davits. Chains provide a strong and reliable connection that can withstand the forces and demands of maritime operations.

How do I determine the appropriate chain size for my ship?

The appropriate chain size for a ship depends on several factors, including the vessel’s size, weight, and intended use. It is recommended to consult industry guidelines, manufacturer specifications, or seek advice from marine professionals to determine the suitable chain size for your specific ship.

How should I maintain and inspect chain on a ship?

Regular maintenance and inspection are crucial for ensuring the integrity and performance of chain on a ship. This includes inspecting for signs of wear, corrosion, or damage, lubricating the chain as necessary, and conducting load testing when required. Following manufacturer’s guidelines and industry best practices is essential.