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Home > Products > All Collections > Rigging Hardware & Fittings > General Purpose Chain > DIN 763 Link Chain

DIN 763 Link Chain

Name: DIN 763 Link Chain
Brand: H-Lift Industries Co Ltd
SKU: 708012
Availability: InStock
Rating: 5 (1 reviews)

No.708012

The H-Lift DIN 763 Link Chain is a versatile, long-link round steel chain manufactured to DIN 763 and EN standards, designed for general engineering, agricultural, and marine applications.

Features an extended link length (long-link design), making it lighter per meter and easier to connect with various shackles and rigging hardware.
Constructed from carbon steel (Grade 30/mild steel) with zinc-plated, self-color, or hot-dip galvanized finishes, or from AISI 304/316 stainless steel for maximum corrosion resistance.
Ideal for light mooring, lashing, suspension, fencing, and aquaculture or fishing gear applications.
Strictly intended for static loading and general utility; it is non-calibrated and must not be used as a primary lifting medium or for overhead lifting.

Technical Data
Chain Grade Guide

The DIN 763 Long Link Chain is a widely used commercial-grade welded chain characterized by its elongated links. Unlike compact short-link chains, the long-link configuration offers superior flexibility and provides enough clearance to easily accept large shackle pins, hooks, and bolt ends directly into any individual link. It is the premier choice for lashing, decorative barriers, and light mooring applications.

⚠️ SAFETY WARNING: NOT FOR OVERHEAD LIFTING.
DIN 763 is a non-calibrated commercial chain. It MUST NEVER be used for overhead lifting, hoisting, or as a load-bearing sling. It is also not suitable for use over sprockets or windlasses.

🇩🇪 German Standard Design

Manufactured strictly according to the DIN 763 specification. This long-link welded chain is optimized for non-calibrated applications where strength and ease of attachment are prioritized over precise pitch dimensions.

🔗 Enhanced Connection Flexibility

The elongated link geometry allows for the direct connection of heavy-duty shackles and hardware that typically would not fit into the tighter eyes of a short-link chain.

🛡️ Premium Material & Finishes

Carbon Steel: Available in zinc-plated or hot-dipped galvanized for outdoor durability.
Stainless Steel (304/316): The industry standard for aquaculture and corrosive maritime environments.

⚓ Versatile Utility

An ideal solution for securing marine gear, light mooring, agricultural fencing, animal tethers, decorative urban barriers, and equipment suspension in industrial warehouses.

⚙️ Related Products & Chain Pairings:

• Short Link Needs: Need a compact chain for anchor windlasses? View our DIN 766 Short Link Chains.
• Overhead Lifting: For critical hoisting and certified lifting slings, browse our Grade 80 Alloy Steel Lifting Chains.
• Hardware Connections: Connect easily to this chain using our Stainless Steel Bow Shackles or Quick Links.

Technical Specifications

← Swipe table left and right to view all data →

Item No.	Size	I.L.	O.W.	W.L.L.	B.L.	Weight	Product Code
Item No.	(mm)	(mm)	(mm)	(kg)	(kN)	(kg/m)	Product Code
C-76302	2	22	8	25	1.25	0.06	708012302
C-7632A	2.5	24	10	40	2	0.1	70801232A
C-76303	3	26	12	55	3.2	0.15	708012303
C-7633A	3.5	28	14	80	3.85	0.2	70801233A
C-76304	4	32	16	100	6	0.27	708012304
C-7634A	4.5	34	18	128	6.3	0.35	70801234A
C-76305	5	35	20	160	10	0.43	708012305
C-7635A	5.5	38.5	22	195	9.5	0.52	70801235A
C-76306	6	42	24	224	14	0.63	708012306
C-76307	7	49	28	300	18	0.86	708012307
C-76308	8	52	32	400	25	1.1	708012308
C-7638A	8.5	56	34	460	25.5	1.25	70801238A
C-76309	9	59	36	530	32	1.41	708012309
C-76310	10	65	40	630	40	1.75	708012310
C-76311	11	72	44	790	47.5	2.11	708012311
C-76312	12	78	48	940	56.5	2.55	708012312
C-76313	13	82	52	1,000	63	2.95	708012313
C-76316	16	100	64	1,600	100	4.45	708012316
C-76318	18	113	70	2,120	127	5.65	708012318
C-76319	19	119	72	2,370	142	6.25	708012319
C-76320	20	120	75	2,500	160	7	708012320
C-76322	22	127	82	3,170	190	8.55	708012322
C-76325	25	140	85	4,090	245	10.9	708012325
C-76328	28	152	96	6,000	300	13.9	708012328
C-76332	32	171	108	8,000	400	18.2	708012332

Q: What is the main benefit of DIN 763 long link chain over DIN 766 short link? [Image comparing DIN 763 long link chain vs DIN 766 short link chain side-by-side] A: The primary benefit of DIN 763 (Long Link) is its internal clearance, which allows you to insert large shackle pins and connectors into any link easily. It is also typically lighter and more cost-effective per meter than short-link chain. However, because the links are longer, they are more prone to bending under certain stresses and are not suitable for running over calibrated sprockets or gypsies.

Q: Why can't I use DIN 763 for overhead lifting? A: DIN 763 is a commercial-grade chain usually manufactured from low-carbon (mild) steel. It does not undergo the specialized heat treatment required to achieve the ductility (stretch) and high safety factors mandatory for overhead lifting. For critical hoisting, you must strictly use Grade 80 or Grade 100 alloy steel chain.

🚫 Carbon Steel Chain Grades 30, 43, 70
Used for tie-downs, towing, and securement.
NEVER used for overhead lifting.

✅ Alloy Steel Chain Grades 80, 100
Specifically designed and heat-treated for
Overhead Lifting and Sling Assemblies.

How is "Grade" Calculated?

The grade number represents the chain's tensile strength (mean stress value). It is calculated by dividing the tensile force (Newtons) by the cross-sectional area of the two links ($mm^2$).

As the Grade Increases:

The material becomes harder and more resistant to abrasion.
The Strength-to-Weight ratio increases (more lifting power, less weight).
The Working Load Limit (WLL) increases significantly.

Chain Grade Comparison Matrix

Grade	Material	Primary Applications	Overhead Lift?
Grade 30 (Proof Coil)	Low Carbon Steel	Light duty, logging, playground equipment, simple barriers.	NO
Grade 43 (High Test)	Carbon Steel	Towing, general utility, load securement. Stronger than G30.	NO
Grade 70 (Transport)	Heat-Treated Carbon	Heavy Duty Securement. Standard for trucking tie-downs. Identified by Gold/Yellow finish.	NO
Grade 80 (Alloy)	Alloy Steel	Standard Lifting Slings. High ductility (stretch) to absorb shock.	YES
Grade 100 (Premium)	Alloy Steel	Heavy Lifting. 25% stronger than G80. Harder surface for abrasion resistance.	YES

Common Problems & Critical Safety Warnings

Even with the correct grade, misuse can lead to catastrophic failure. Ensure your riggers are trained to avoid these three common hazards:

⚠️ 1. The Hoist Chain Trap

A frequent and dangerous mistake is using the load chain inside a hoist to wrap around a load.

The Design: Hoist load chain is hardened specifically to fit internal sprockets (tight tolerances). It lacks the ductility (stretch) required for a sling.
The Risk: Wrapping it around a load deforms the links. When retracted, the deformed links can snap or destroy the internal hoist mechanism.

⚠️ 2. The "Gold Chain" Error

Using Grade 70 (Gold) chain for overhead lifting is a common error because the chain looks robust.

Why it Fails: Grade 70 is heat-treated for abrasion resistance (for rubbing against truck beds), not for the elongation needed to absorb the dynamic shock of a crane lift. It may snap suddenly without warning.

⚠️ 3. General Neglect

Alloy chain is tough, but not invincible. Proper storage and inspection are vital.

Corrosion: Leaving chain on damp shop floors promotes pitting and stress corrosion cracking.
Inspection: Chains must be inspected regularly for nicks, gouges, and elongation (stretching).